Technogym Spazio Forma User manual

SERVICE & MAINTENANCE MANUAL
REV. 1.0

The information contained in this manual is intended for QUALIFIED TECHNICIANS who have
completed a specific TECHNOGYM training course and are authorized to perform machine start-up
and adjustment procedures as well as extraordinary maintenance or repairs which require a thorough
knowledge of the machine, its operation, its safety devices and working procedures.
CAREFULLY READ THE INFORMATION CONTAINED IN
THIS MANUAL BEFORE PERFORMING ANY MAINTENANCE
PROCEDURES ON THE MACHINE
DANGEROUS VOLTAGES
PRESENT EVEN WHEN THE
MACHINE IS TURNED OFF
NOTE
The information contained in this document is subject to change without notice.
Technogym does not guarantee this documentation in any way. Technogym shall not be held
responsible for any errors contained in this manual and declines all liability for accidents or
damages resulting from the supply, characteristics or use of this manual.
This document contains proprietary information that is protected by copyright. All rights reserved.
No part of this document may be photocopied, reproduced or translated into another language
without the prior written consent of Technogym.
The Technogym®trademark is property of Technogym S.p.A.
The Spazio Forma™trademark is property of Technogym S.p.A.

SPAZIO FORMA: Service & Maintenance manual - rev. 1.0
Page i
Contents
1. GENERAL NOTICES............................................................................................................................................1.1
1.1. INTRODUCTION .................................................................................................................................................1.1
1.2. RECOMMENDATIONS.........................................................................................................................................1.1
1.3. GENERAL RULES FOR REPAIR PROCEDURES.......................................................................................................1.2
2. TECHNICAL CHARACTERISTICS ..................................................................................................................2.1
2.1. MECHANICAL CHARACTERISTICS ......................................................................................................................2.1
2.2. ELECTRICAL CHARACTERISTICS ........................................................................................................................2.1
2.3. AMBIENT SPECIFICATIONS.................................................................................................................................2.1
2.4. CONFORMITY TO REGULATIONS ........................................................................................................................2.1
2.5. WIRING DIAGRAM .............................................................................................................................................2.2
2.5.1. Connectors.........................................................................................................................................2.3
2.5.2. Wiring................................................................................................................................................2.4
3. PRINCIPLES OF OPERATION ..........................................................................................................................3.1
3.1. BLOCK DIAGRAM ..............................................................................................................................................3.1
3.1.1. Cardio transmitter .............................................................................................................................3.1
3.1.2. Cardio receiver..................................................................................................................................3.1
3.1.3. Display ..............................................................................................................................................3.2
3.1.4. Driver board......................................................................................................................................3.2
3.1.5. Inverter ..............................................................................................................................................3.3
3.1.6. Belt motor..........................................................................................................................................3.3
3.1.7. Up-down motor..................................................................................................................................3.3
3.1.8. Power supply .....................................................................................................................................3.3
3.1.9. Transformer.......................................................................................................................................3.3
3.1.10. Safety switch ......................................................................................................................................3.3
3.1.11. Deck position sensor..........................................................................................................................3.4
3.1.12. Power isolating board .......................................................................................................................3.4
3.2. TREAD-BELT MOTOR DRIVE ..............................................................................................................................3.5
3.2.1. Mechanics..........................................................................................................................................3.5
3.2.2. Controls.............................................................................................................................................3.5
3.2.3. The signals involved ..........................................................................................................................3.6
3.3. UP-DOWN MOTOR DRIVE ...................................................................................................................................3.8
3.3.1. Mechanics..........................................................................................................................................3.8
3.3.2. The reset procedure...........................................................................................................................3.8
3.3.3. Controls.............................................................................................................................................3.8
3.3.4. The signals involved ..........................................................................................................................3.9
3.4. SAFETY OF MOVING PARTS ..............................................................................................................................3.11
3.4.1. Controls...........................................................................................................................................3.11
3.4.2. The signals involved ........................................................................................................................3.11
4. ACCESSORIES......................................................................................................................................................4.1
4.1. CONNECTING TO THE TGS..................................................................................................................................4.1
5. INSTALLATION INSTRUCTIONS ....................................................................................................................5.1
5.1. SPECIFICATIONS AND REQUIREMENTS ...............................................................................................................5.1
5.2. INSTALLATION ..................................................................................................................................................5.1
5.3. FIRST POWER-ON...............................................................................................................................................5.1
6. TROUBLESHOOTING.........................................................................................................................................6.1
6.1. THE DISPLAY DOES NOT ILLUMINATE ................................................................................................................6.2
6.2. THE DISPLAY SHOWS “SAFETY SWITCH” .....................................................................................................6.7

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6.3. THE POWER ISOLATING BOARD IS NOT WORKING...............................................................................................6.8
6.4. THE DISPLAY SHOWS “E 3” .............................................................................................................................6.10
6.4.1. The inverter display shows E01, E02, E03, E04 or E05..................................................................6.11
6.4.2. The inverter display shows E06 or E07...........................................................................................6.12
6.4.3. The inverter display shows E08, E10, E11 or E22 ..........................................................................6.13
6.4.4. The inverter display shows E09.......................................................................................................6.14
6.4.5. The inverter display shows E12.......................................................................................................6.16
6.4.6. The inverter display shows E14.......................................................................................................6.17
6.4.7. The inverter display shows E15.......................................................................................................6.18
6.4.8. The inverter display shows E21.......................................................................................................6.20
6.4.9. The inverter display does not show any error .................................................................................6.21
6.4.10. The inverter is off.............................................................................................................................6.23
6.5. THE BELT MOTOR IS JERKING ..........................................................................................................................6.24
6.6. THE BELT MOTOR STARTS WITH DELAY...........................................................................................................6.25
6.7. THE DISPLAYED SPEED IS INCORRECT..............................................................................................................6.26
6.8. THE DISPLAY SHOWS “E 5” .............................................................................................................................6.28
6.9. THE UP-DOWN MOVES IN ONLY ONE DIRECTION ..............................................................................................6.33
6.10.THE DISPLAYED ELEVATION IS INCORRECT......................................................................................................6.35
6.11.THERE IS NO HEART RATE SIGNAL ...................................................................................................................6.37
6.12.THE HEART RATE SIGNAL IS INCORRECT..........................................................................................................6.38
7. DISASSEMBLY OF COMPONENTS .................................................................................................................7.1
7.1. DISASSEMBLING THE DISPLAY ...........................................................................................................................7.1
7.2. DISASSEMBLING THE EPROM ..........................................................................................................................7.2
7.3. DISASSEMBLING THE DISPLAY BOARDS .............................................................................................................7.3
7.4. DISASSEMBLING THE KEYBOARD ......................................................................................................................7.4
7.5. DISASSEMBLING THE CARDIO RECEIVER............................................................................................................7.5
7.6. DISASSEMBLING THE SAFETY SWITCH ...............................................................................................................7.6
7.7. DISASSEMBLING THE GAS DAMPER....................................................................................................................7.7
7.8. DISASSEMBLING THE MOTOR GUARD ................................................................................................................7.8
7.9. DISASSEMBLING THE TREAD-BELT MOTOR ......................................................................................................7.10
7.10.DISASSEMBLING THE FOOTREST GUIDE ...........................................................................................................7.12
7.11.DISASSEMBLING THE REAR ROLLER ................................................................................................................7.14
7.12.DISASSEMBLING THE MOTOR ROLLER AND DRIVE-BELT ..................................................................................7.15
7.13.DISASSEMBLING THE TREAD-BELT AND RUNNING TRACK................................................................................7.17
7.14.DISASSEMBLING THE SHOCK ABSORBERS ........................................................................................................7.18
7.15.DISASSEMBLING THE ELECTRONIC CIRCUIT BOARDS .......................................................................................7.19
7.16.DISASSEMBLING THE INVERTER ......................................................................................................................7.21
7.17.DISASSEMBLING THE COLUMN AND RUBBER GUARD .......................................................................................7.22
7.18.DISASSEMBLING THE UP-DOWN MOTOR...........................................................................................................7.23
7.19.DISASSEMBLING THE UP-DOWN FRAME ...........................................................................................................7.24
7.20.DISASSEMBLING THE HANDLEBARS.................................................................................................................7.25
8. ADJUSTMENTS ....................................................................................................................................................8.1
8.1. TENSIONING A NEW TREAD-BELT ......................................................................................................................8.1
8.2. TENSIONING A USED TREAD-BELT .....................................................................................................................8.2
8.3. CENTERING THE TREAD-BELT............................................................................................................................8.3
8.4. ALIGNING THE TREAD-BELT MOTOR DRIVE-BELT ..............................................................................................8.4
8.5. TENSIONING THE TREAD-BELT MOTOR DRIVE BELT ...........................................................................................8.5
8.6. CALIBRATING THE TREAD-BELT SPEED..............................................................................................................8.6
8.7. ADJUSTING THE UP-DOWN MOTOR CURRENT LIMITER .......................................................................................8.7
8.8. LEVELING .........................................................................................................................................................8.8
9. MACHINE CONFIGURATION...........................................................................................................................9.1
9.1. LANGUAGE CONFIGURATION .............................................................................................................................9.1
9.2. VIEWING THE WORKING PARAMETERS...............................................................................................................9.2
9.2.1. Hours of machine operation..............................................................................................................9.2
9.2.2. Hours of tread-belt motor operation .................................................................................................9.2

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9.2.3. Minutes of up-down motor operation ................................................................................................9.2
9.2.4. Distance Covered ..............................................................................................................................9.2
9.3. MODIFYING THE WORKING PARAMETERS ..........................................................................................................9.3
9.3.1. Hours of machine operation..............................................................................................................9.3
9.3.2. Hours of tread-belt motor operation .................................................................................................9.3
9.3.3. Minutes of up-down motor operation ................................................................................................9.3
9.3.4. Distance covered ...............................................................................................................................9.3
9.4. UP-DOWN TEST..................................................................................................................................................9.4
9.5. PROGRAMMING THE HITACHI SJ100 INVERTER .............................................................................................9.5
9.5.1. Monitor function parameters.............................................................................................................9.6
9.5.2. Modified parameter settings..............................................................................................................9.6
10. SCHEDULED MAINTENANCE........................................................................................................................10.1
10.1.DAILY MAINTENANCE OPERATIONS .................................................................................................................10.1
10.1.1. Setting up the operation...................................................................................................................10.1
10.1.2. Cleaning operations.........................................................................................................................10.1
10.2.FORTNIGHTLY MAINTENANCE OPERATIONS.....................................................................................................10.2
10.2.1. Lubrication operations of tread belt and running deck ...................................................................10.2
10.2.2. Checking the “Safety switch” ..........................................................................................................10.2
10.2.3. Complete operation..........................................................................................................................10.2
10.3.BIMONTHLY MAINTENANCE OPERATIONS........................................................................................................10.3
10.3.1. Internal cleaning operations............................................................................................................10.3
10.3.2. Checking the state of wear...............................................................................................................10.3
10.3.3. Checking the tension and centering of the tread-belt ......................................................................10.3
10.3.4. Checking the display........................................................................................................................10.3
10.3.5. Checking the wear of the rubber handlebar cover...........................................................................10.3
10.4.YEARLY MAINTENANCE OPERATIONS..............................................................................................................10.4
10.4.1. Carrying out the routine maintenance procedure............................................................................10.4
10.4.2. Checking the working conditions.....................................................................................................10.4
10.4.3. Checking the wiring and connections ..............................................................................................10.4
10.4.4. Checking the wear and lubrication of the tread-belt and running track .........................................10.4
10.4.5. Checking the wear of the motor roller .............................................................................................10.5
10.4.6. Checking the wear of the rear roller................................................................................................10.5
10.4.7. Checking the shock absorbers .........................................................................................................10.5
10.4.8. Checking the tread-belt motor drive-belt.........................................................................................10.5
10.4.9. Checking the speed calibration........................................................................................................10.5
10.4.10. Checking the operation of the cardio receiver.................................................................................10.5
11. APPENDIX ...........................................................................................................................................................11.1
11.1.TECHNICAL NOTES ON CARDIO RECEIVERS......................................................................................................11.1
11.1.1. Type of ASIC ....................................................................................................................................11.2
11.1.2. Presence of electromagnetic fields ..................................................................................................11.2
11.1.3. Reducing receiver sensitivity ...........................................................................................................11.3
11.1.4. Mechanical vibrations .....................................................................................................................11.4
11.1.5. Position of the receiver ....................................................................................................................11.4
11.1.6. Routing of cables .............................................................................................................................11.5
11.2.HITACHI SJ100 INVERTER ERROR CODES.....................................................................................................11.6
11.3.PROCEDURE FOR CLEARING THE ERROR MEMORY ON HITACHI SJ100 INVERTER ............................................11.8
11.4.PROCEDURE FOR CLEARING PARAMETERS ON HITACHI SJ100 INVERTER ........................................................11.8
11.5.TOOLS TO USE .................................................................................................................................................11.9

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SPAZIO FORMA: Service & Maintenance manual - rev. 1.0
Page 1.1
1. GENERAL NOTICES
1.1. INTRODUCTION
This document is reserved for Technogym Service technicians, and is intended to provide
authorized personnel with the necessary information to correctly carry out repairs and maintenance.
A thorough knowledge of the technical information contained in this manual is essential for
completing the professional training of the operator.
In order to facilitate consultation, the paragraphs are accompanied by schematic drawings which
illustrate the procedure being described.
This manual contains notices and symbols which have a specific meanings:
WARNING: non observance may result in accident or injury.
ATTENTION: non observance may cause damage to the machine.
Information about the operation in progress.
OBSERVE: observation about the operation in progress.
1.2. RECOMMENDATIONS
Technogym recommends the following steps for planning repair procedures:
• Carefully evaluate the customer’s description of the machine malfunction and ask all the
necessary questions to clarify the symptoms of the problem.
• Clearly diagnose the causes of the problem. This manual provides the fundamental theoretical
basis, which must then be integrated by personal experience and attendance at the training
courses periodically offered by Technogym.
• Rationally plan the repair procedure so as to minimize the downtime necessary for procuring
spare parts, preparing tools, etc.
• Access the component to be repaired, avoiding any unnecessary operations. In this regard it will
be useful to refer to the disassembly sequence described in this manual.

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Page 1.2
1.3. GENERAL RULES FOR REPAIR PROCEDURES
1. Always mark any parts or positions which may be confused with each other at the time of
reassembly.
2. Use original Technogym spare parts and lubricants of the recommended brands.
3. Use special tools where specified.
4. Consult the technical circulars, which may contain more up-to-date information on adjustments
and maintenance than those contained in this manual.
5. Before starting the repair procedure, make sure that the recommended tools are available and in
good condition.
6. For the procedures described in this manual, use only the specified tools.
OBSERVE: The tool sizes quoted in this manual are expressed in mm.

SPAZIO FORMA: Service & Maintenance manual - rev. 1.0
Page 2.1
2. TECHNICAL CHARACTERISTICS
2.1. MECHANICAL CHARACTERISTICS
Width 816 cm
Length 203 cm
Height during exercise 134
Height machine closed 1164 cm
Weight 162 Kg
2.2. ELECTRICAL CHARACTERISTICS
Mains voltage 220 V
Frequency 50 Hz
Consumption 1650 VA - 7.5 A
Fuses 5x20 2xT10AH
2.3. AMBIENT SPECIFICATIONS
Operating from 10° to 25° C
Temperature Storage from 10° to 25° C
Operating from 20% to 90% non-condensing
Humidity Storage from 5% to 90% non-condensing
2.4. CONFORMITY TO REGULATIONS
The machine conforms to the following directives:
Europe USA
EMI EN 60601-1-2
Safety
EN 60601-1:90
+A1:93
+A12:93
+A2:95
+A13:96
Exercise equipment EN 957-6
Directive
73/23/EEC
93/68/EEC
89/336/EEC
N.A.

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2.5. WIRING DIAGRAM

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Page 2.3
2.5.1. CONNECTORS
• CPU board
name type of connector connection
K1 AMP MODU I 4x1 pin f. to driver board (low voltage input)
K2 AMP MODU I 2x1 pin f. to LED board (low voltage output)
K4 AMP MODU II 9x2 pin f. to driver board (actuator drives)
K6 AMP MODU II 4x1 pin f. to serial connector for TGS
K12 Flat 5x2 pin f. to LED board (LED driver output)
K15 AMP MODU II 4x1 pin f. to cardio receiver
K16 AMP MODU II 6x1 pin f. to power isolating board (emergency signals)
EM AMP MODU II 2x1 pin f. to emergency button
PR AMP MODU II 4x1 pin f. to deck position sensor (sensor input)
• LED board
name type of connector connection
K2 AMP MODU I 2x1 pin f. to CPU board (low voltage input)
K12 Flat 5x2 pin f. to CPU board (LED driver input)
• Driver board
name type of connector connection
J1 AMP MATE-N-LOCK 3x2 pin f. to up-down motor
J2 2 pin terminal block to transformer (low voltage ac input)
J3 AMP MODU I 4x1 pin f. to power supply (low voltage input)
J4 AMP MODU I 4x1 pin f. to CPU (low voltage output)
J5 AMP MODU II 6x1 pin f. to inverter (inverter drive)
J6 AMP MODU II 9x2 pin f. to CPU board (actuator drive)
• Power supply
name type of connector connection
CN1 PANDUIT 6 pin m. to filter (mains voltage input)
CN2 PANDUIT 6 pin m. to driver board (low voltage output)
• Power isolating board
name type of connector connection
J2 AMP MODU I 8x1 pin f. to power supply / driver board (low voltage)
J5 AMP MATE-N-LOCK 3x2 pin f. to driver board (actuator up-down motor)
J6 AMP MATE-N-LOCK 3x2 pin f. to up-down motor (actuator up-down motor)
J7 AMP MODU II 6x1 pin f. to CPU board (emergency signals)
Relay Fast on to filter / inverter (inverter power supply)

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• Portable connectors
name type of connector connection
CN28 MOLEX mini-fit 7x2 m. portable to CPU board (actuator drive)
CN29 MOLEX mini-fit 7x2 f. portable to driver board (actuator drive)
CN30 MOLEX mini-fit 5x2 m. portable to CPU board (emergency signals / deck sensor)
CN31 MOLEX mini-fit 5x2 f. portable to power isolating board / deck position sensor
(emergency signals / deck sensor)
CN39 Terminal block to filter, power supply, inverter and selector
CN46 MOLEX mini-fit 3x2 f. portable to up-down motor
2.5.2. WIRING
SF-1A: Filter cable
Power inlet socket – Filter
Power inlet
socket
Signal Color Filter PE
Fast on Live Black Fast on -
Fast on Neutral Blue Fast on -
Fast on Yellow-green -
- Earth Yellow-green Fast on Eyelet
This cable incorporates a 348 Ohm, 100 Mhz ferrite with coil on the live and neutral conductors.
SF-1B: High voltage power supply cable
Filter – High voltage distribution terminal block
Filter Signal Color Terminal block
CN39
Fast on Live Black L
Fast on Neutral Blue N
Fast on Earth Yellow-green PE
SF-2: Heart rate meter cable
CPU board – Heart rate receiver
CPU board
K15
Signal Color Receiver
1 +5 Vdc Red 1
2 Pulse per beat Blue 2
3 Gnd Black 3

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FR-3/L: Power supply high voltage input cable
High voltage distribution terminal block – Power supply
Terminal block
CN39
Signal Color Power supply
CN1
N Neutral Blue 4
L Live Black 6
SF-4A: Inverter high voltage input cable
Power isolating board - Inverter
Power isolating
board
Relay
Signal Color Inverter
2 Neutral Blue N
6 Live Red L1
SF-4B: Inverter high voltage input cable
High voltage distribution terminal block – Power isolating board
Terminal block
CN39
Signal Color Power isolating
board
Relay
N Neutral Blue 4
L Live Red 8
SF-5: Transformer high voltage input cable
High voltage distribution terminal block – Transformer
Terminal block
CN39
Signal Color Transformer
N Neutral Blue already connected
L Live Black already connected
SF-6: Low voltage power supply cable
Power isolating board - Driver board
Power isolating
board
J2
Signal Color Driver board
J3
1 + 12 Vdc Blue 1
2 + 5 Vdc Yellow 4
3 ground White 3
4 ground Purple 2

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SF-6: Low voltage power supply cable
Power supply – Power isolating board
Power isolating
board
J2
Signal Color Power supply
CN2
Terminal
block
CN39
5 + 12 Vdc Red 1 -
6 + 5 Vdc Orange 3 -
7 Black -
- ground Yellow-green 5 PE
8 ground Brown 4 -
SF-7: Inverter cable
Driver board – Inverter
Driver board
J5
Signal Color Inverter CN43
- Thermal cutout Green 3 2
1 White -
- Thermal cutout Gnd White P24 1
2 Start Grey 1 -
3 Alarm Red AL0 -
4 Alarm Gnd Purple AL1 -
5 Speed Brown O -
6 Speed Gnd Black L -
SF-8: Tread-belt motor cable
Inverter – Tread-belt motor
Inverter Signal Color Motor CN43
U Phase U Black 1 already connected -
V Phase V Black 2 already connected -
W Phase W Black 3 already connected -
- Thermal cutout Black 4 already connected 1
- Thermal cutout Gnd Black 5 already connected 2
PE Earth Yellow-green already connected -
FR-9: Up-down motor cable
Portable connector – Up-down motor cable
Portable
CN25
Signal Color Up-down motor
1 Motor + White already connected
2 Motor - Blue already connected
5 Up-down motor pulses Red already connected
6 Pulse Gnd Black already connected

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FR-10: Braking resistor cable
Inverter – Braking resistor
Inverter Signal Color Resistor
1 Positive White already connected
RB Negative White already connected
SF-12: CPU cable – lower section
Portable connector – Driver board
Color Driver boardPortable
CN29
Signal
J4 J6
1 Up-down motor “down” Green - 3
2 Up-down motor “up” Yellow - 5
3 Up-down motor alarm Blue - 7
4 Up-down motor pulses Purple - 9
5 Pulse Gnd Black-green - 11
6 +12 Vdc Red 1 -
7 Gnd Black 2 -
8 +5 Vdc Red - 2
9 Tread-belt motor speed PWM Grey - 4
10 Start tread-belt motor Brown - 6
11 Tread-belt motor alarm Orange-
yellow
- 8
12 Gnd Black - 12
13 Gnd Grey 3 -
14 +5 Vdc Orange 4 -
FR-13: LED board supply cable
CPU board – LED board
CPU board
K2
Signal Color LED board
K2
1 +5 Vdc Red 1
2 Gnd Black 2

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FR-14: LED board signal cable
CPU board – LED board
CPU board
K12
Signal Color LED board
K12
1 - 1
2 STROLED 2
3 MUX2 3
4 MUX1 4
5 MUX0 5
6 OELED 6
7 SCK 7
8 MOSI 8
9 DOE 9
10 - 10
This cable incorporates a 65 Ohm, 100 MHz coil-less ferrite.
SF-15A: Actuator up-down motor cable
Driver board – Power isolating board
Driver board
J1
Signal Color Power isolating
board
J5
1 Motor + White 1
2 Motor - Blue 2
5 Up-down motor pulses Red 5
6 Pulse Gnd Black 6
SF-15B: Actuator up-down motor cable
Power isolating board – Portable connector
Power isolating
board
J6
Signal Color Portable
CN46
1 Motor + White 1
2 Motor - Blue 2
5 Up-down motor pulses Red 5
6 Pulse Gnd Black 6
RL-17: Emergency cable
CPU board – Emergency button
CPU board
EM
Signal Color Emergency
button
1 Gnd White Already connected
2 Signal Black Already connected

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RL-20: TGS cable
CPU board – Serial connector
CPU board
K6
Signal Color Serial connector
1 +12 Vdc Yellow 1
2 Gnd Green 5
3 Tx White 3
4 Rx Brown 2
SF-21A: CPU cable / Emergency signals – upper section
CPU board – Portable connector CN28
CPU board
K1 K4
Signal Color Portable
CN28
1 - +12 Vdc Red 6
2 - Gnd Black 7
3 - Gnd Grey 13
4 - +5 Vdc Orange 14
- 2 +5 Vdc Red 8
- 3 Up-down motor “down” Green 1
- 4 tread-belt motor speed PWM Grey 9
- 5 Up-down motor “up” Yellow 2
- 6 Start tread-belt motor Brown 10
- 7 Up-down motor alarm Blue 3
- 8 Tread-belt motor alarm Orange-
yellow
11
- 9 Up-down motor pulses Purple 4
- 11 Pulse Gnd Black-green 5
- 12 Gnd Black 12
CPU board – Portable connector CN30
CPU board
K16 PR
Signal Color Portable
CN30
1 - +5 Vdc Red 1
2 - Relay output Blue 2
3 - Safety switch input Yellow 3
4 - Trigger signal Green 4
5 - Gnd Black 5
6 - Gnd Black 6
- 4 Gnd Orange-
yellow
7
- 3 Segnale sensore Brown 8
This cable incorporates a 348 Ohm, 100 Mhz coil-less ferrite.

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SF-22A: Emergency signals – lower section
Portable connector CN31 – power isolating board - deck position sensor
Portable
CN31
Signal Color Power
isolating board
J7
Deck
position
sensor
1 +5 Vdc Red 1 -
2 Relay output Blue 2 -
3 Safety switch signal Yellow 3 -
4 Trigger signal Green 4 -
5 Relay output Black 5 -
6 Gnd Black 6 -
7 Gnd Orange-
yellow
- already
connected
8 Sensor signal Brown - already
connected
Note that this is a simplified description of the cables, which does not include the ground node
connections of the electronics box.