Phyaction GUIDANCE-E User manual

SERVICE INFORMATION
PHYACTION GUIDANCE-E/GUIDANCE-C
Version 0.5 May 2002
Phyaction Guidance E/C – service manual version 0.5 Page 1

1. TABLE OF CONTENTS
1. TABLE OF CONTENTS ................................................................................................ 2
2. GENERAL INFORMATION ......................................................................................... 5
2.1 Introduction. ............................................................................................................................5
2.2 Information. .............................................................................................................................5
2.3 Safety aspects. .........................................................................................................................5
2.3.1 Electrical safety.............................................................................................................5
2.3.2 Explosion safety............................................................................................................6
2.3.3 Operational safety. ........................................................................................................6
2.3.4 Use of the appliance......................................................................................................6
2.3.5 Product documentation. ................................................................................................6
2.3.6 Radio interference suppression and electromagnetic compatibility..............................6
2.3.7 Medical device directive (MDD) ..................................................................................6
2.4 Installation. ..............................................................................................................................7
2.4.1 Incoming inspection......................................................................................................7
2.4.2 Mains voltage................................................................................................................7
2.4.3 Functional test...............................................................................................................7
2.4.4 Selecting the operating language. .................................................................................7
2.4.5 Location and transportation. .........................................................................................7
3. DESCRIPTION OF CONTROLS AND CONNECTORS. ............................................ 8
3.1.1 Output connectors and control keys ( drawing unit on last page of service manual). ..8
3.2 Display indication overview....................................................................................................9
3.3 Technical specifications.........................................................................................................10
3.4 Different symbols. .................................................................................................................10
3.4.1 Symbols on the front of the Guidance E/C .................................................................10
3.4.2 Symbols on the right side of the Guidance E/C..........................................................11
3.4.3 Symbols on the left side of the Guidance E/C ............................................................11
3.4.4 Symbols on the back of the Guidance E/C .................................................................11
3.4.5 General symbols .........................................................................................................11
3.4.6 Symbols current groups ..............................................................................................11
3.4.7 Symbols currents ........................................................................................................12
3.4.8 Parameter symbols......................................................................................................12
4. UNIT SELF TEST. ....................................................................................................... 13
5. CIRCUIT DESCRIPTION............................................................................................ 14
5.1 Main PCB (ELUS004-L100).................................................................................................14
5.1.1 Power supply. .............................................................................................................14
5.1.2 Micro-controller Circuits. ...........................................................................................15
5.1.3 Safety control circuits. ................................................................................................16
5.1.4 Signal processing circuits. ..........................................................................................17
5.1.5 Stimulation circuits.....................................................................................................17
5.1.6 Current measuring circuits..........................................................................................19
5.2 Output circuits. ......................................................................................................................19
5.3 Console circuits. ....................................................................................................................20
5.4 Ultrasound circuits (only for Guidance C) ............................................................................21
5.4.1 PLL .............................................................................................................................21
5.4.2 Voltage controller. ......................................................................................................21
5.4.3 Power stage.................................................................................................................21
5.4.4 Impedance matching ...................................................................................................22
5.5 RS 232 communication..........................................................................................................22
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5.6 Vacuum unit. .........................................................................................................................22
5.6.1 General information....................................................................................................22
5.6.2 Vacuum circuits. .........................................................................................................23
6. Ultrasound heads (only Guidance C) ............................................................................ 24
7. Yearly checkup and safety test...................................................................................... 25
7.1 Safety inspection....................................................................................................................25
7.2 Inspection interval. ................................................................................................................25
7.3 Inspection results. ..................................................................................................................25
7.4 Different current wave forms for checkup.............................................................................25
7.4.2 General Functional Inspection ....................................................................................27
7.4.3 Functional Inspection Electrotherapy .........................................................................27
7.4.4 Electrical Safety Test According to VDE 0751..........................................................28
7.4.5 Result of safety inspection..........................................................................................28
8. SYSTEM SETTINGS MENU. ..................................................................................... 29
8.1 Contrast settings. ...................................................................................................................29
8.2 Language. ..............................................................................................................................29
8.3 Sound settings........................................................................................................................29
8.4 Change pre settings................................................................................................................30
8.5 Stand by time. ........................................................................................................................30
8.6 Plate electrode test. ................................................................................................................30
8.7 Cable test. ..............................................................................................................................32
8.7.1 Vacuum cable test.......................................................................................................32
8.7.2 Electrode cable test. ....................................................................................................33
8.8 System information................................................................................................................34
8.9 First screen.............................................................................................................................35
8.10 Copy parameters. ...............................................................................................................35
9. SERVICE MENUS. ...................................................................................................... 36
9.1 Counter working hours. .........................................................................................................36
9.2 Error history...........................................................................................................................37
9.3 Reset working hours. .............................................................................................................37
9.4 Reset all user settings.............................................................................................................38
9.5 Total reset settings. ................................................................................................................38
9.6 Special service menu. ............................................................................................................38
10. UPGRADING SYSTEM SOFTWARE ........................................................................ 40
10.1 General information. ..........................................................................................................40
10.2 Which tools are required ? .................................................................................................40
10.3 Downloading the software. ................................................................................................40
10.4 Troubleshooting. ................................................................................................................41
11. HARDWARE LABELS................................................................................................ 42
11.1 Upgrading the hardware code. ...........................................................................................42
12. TROUBLE SHOOTING ............................................................................................... 43
12.1 General information. ..........................................................................................................43
12.2 Interpreting error codes......................................................................................................44
12.3 List of error codes. .............................................................................................................45
12.3.1 Drivers (0XX).............................................................................................................45
12.3.2 Operating system (1xx)...............................................................................................46
12.3.3 Electrotherapy task (2xx)............................................................................................46
12.3.4 Ultrasound task (3xx) NOT FOR GUIDANCE E ......................................................47
12.3.5 Laser task (4xx) NOT FOR GUIDANCE E/C............................................................47
12.3.6 User interface task (5xx).............................................................................................47
12.3.7 System task (6xx) .......................................................................................................48
12.3.8 Processor test (1000)...................................................................................................49
13. Trouble shooting vacuum circuits................................................................................. 51
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13.1 General information. ..........................................................................................................51
13.2 Check-up if vacuum is insufficient. ...................................................................................51
13.3 Tube connection diagram...................................................................................................52
14. REPLACEMENT PROCEDURES............................................................................... 53
14.1 Cover..................................................................................................................................53
14.2 Main PCB...........................................................................................................................54
14.3 Front cover. ........................................................................................................................54
14.4 Output filter PCB. ..............................................................................................................55
14.5 Vacuum PCB......................................................................................................................55
14.6 Keyboard PCB. ..................................................................................................................56
14.7 Metal shield........................................................................................................................56
14.8 Display. ..............................................................................................................................57
15. SPARE PARTS ............................................................................................................. 58
16. SCHEMATICS.............................................................................................................. 61
Phyaction Guidance E/C – service manual version 0.5 Page 4

2. GENERAL INFORMATION
2.1 Introduction.
The Phyaction Guidance E/C is an advanced 2 channel appliance for electrotherapy, offering a wide
range of current types which can be applied by means of normal electrodes or via the integrated vacuum
unit.
Compared with the Guidance E, the Guidance C has an additional integrated ultrasound module.
As a member if the I.M.S group, it is built according to the newest requirements concerning the Medical
Device Directive.
This manual is written for service engineers, who are authorized by GymnaUniphy nv.
It gives a complete and accurate picture of the Guidance E/C. In doing so, it will hopefully help you to
reach your goal: to form a correct diagnosis and to solve the client’s problem as thoroughly as possible.
2.2 Information.
If you require additional information, feel free to contact us.
GymnaUniphy nv.
Service department
Pasweg 6a
3740 Bilzen
Belgium
Tel service dept: ++32/89510560
Fax service dept: ++32/89510561
E-mail service dept: [email protected]
2.3 Safety aspects.
2.3.1 Electrical safety.
The equipment can only be used in areas with provisions in accordance with current statutory
requirements. Pay particular attention to the use of protective earth, otherwise the patient leakage
current can rise above the permitted limit for type BF equipment.
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2.3.2 Explosion safety.
The equipment is not suitable for use in areas where flammable gasses or vapours are present.
Therefore, remove the mains plug from the socket before the area in which the equipment is located is
disinfected, since some disinfecting solutions evaporate and subsequently form an explosive mixture.
2.3.3 Operational safety.
- Using the equipment in the vicinity of short wave or microwave equipment can influence the
output of the unit. Using this equipment when high frequency surgical equipment is connected to
the patient at the same time can result in burning under the electrodes.
- Patients who have electrical implants (i.e. pacemaker) may only be treated following medical
advice.
- The equipment is not suitable for use in damp areas.
- The equipment may not be disinfected or sterilised.
- The equipment contains a number of safety systems that operate independently of the
microprocessor.
When the safety system detects a fault during electrotherapy the delivery of current is interrupted
within a few milliseconds and it is impossible to perform treatment using the equipment. The
safety of the patient is therefore guaranteed. Whenever the equipment is switched on (using the
main switch) the microprocessor checks the entire safety system for correct operation.
2.3.4 Use of the appliance.
The equipment and accessories should only be used by authorised personnel and in accordance with all
instructions included in these operating instructions. The Phyaction Guidance is only to be used for
electrotherapy.
2.3.5 Product documentation.
We strongly recommend reading the Guidance Guideline carefully, in order to understand and solve
questions of the end user.
2.3.6 Radio interference suppression and electromagnetic compatibility.
This equipment meets the guidelines for ISM equipment relating to electromagnetic compatibility and is
radio interference suppressed according to VDE 0871-B. Also see paragraph 1.2.3 Operational safety,
concerning the use of the equipment in the vicinity of short wave and microwave equipment.
2.3.7 Medical device directive (MDD)
This device complies with the essential requirements of the Medical Device Directive of the
European Committee (93/42/CEE ) as most recently changed.
Phyaction Guidance E/C – service manual version 0.5 Page 6

2.4 Installation.
2.4.1 Incoming inspection.
Check that the equipment has not been damaged during transportation and that the accessories are intact
and complete. In the event of damage and/or defect you should inform your supplier.
2.4.2 Mains voltage.
Your appliance can be run off the mains at a nominal voltage of 110, 115, 127, 220, 230 or 240 Volt
AC, 50-60 Hz. On the bottom of the appliance, you will find the mains voltage selector33 to set the
correct mains voltage. Check if the voltage is selected correctly (setting of a lower value than the
value which should be used in your region can lead to irreversible damage of the equipment). You
can use a coin to turn the switch.
2.4.3 Functional test.
During production the equipment is tested for electrical safety. Whenever the equipment is switched on,
the processor performs an extensive test to ensure that the equipment is operating correctly. In addition
you must check whether the display and the indicator lamps are operating correctly. If this is not the
case, then you must not use the equipment and you must contact your supplier.
If you can’t read or if it is difficult to read the display, then press the system adjustment button 12 and
select option contrast. Use the black ¿button to darken the text or the black Àbutton if you want to
make the text lighter.
2.4.4 Selecting the operating language.
You have the possibility to change the operating language by depressing system adjust button 12 and
selecting the language option. You have the choice from various languages. Once selected, the
equipment will use the language you have chosen.
2.4.5 Location and transportation.
The equipment must be set up horizontally and stable. You must ensure that the perforated sections on
both sides of the casing are not covered up, thus hindering air circulation. Objects must not be placed on
the equipment and you must ensure that no liquid enters the equipment. Empty the watercontainer of
the vacuum part before transportation of the unit. Use the original packaging, if sending of the unit is
necessary.
The appliance is capable, while packed for transport and storage, of being exposed for a period not
exceeding 15 weeks to environmental conditions not outside the following ranges:
• an ambient temperature range of -20ºC to +60ºC;
• a relative humidity range of 10% to 100%, including condensation;
• an atmospheric pressure range of 500hPa to 1060 HPa.
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3. DESCRIPTION OF CONTROLS AND CONNECTORS.
3.1.1 Output connectors and control keys ( drawing unit on last page of service manual).
1. Tilting display
2. Blue keys for menu option or parameter selection
3. Blue keys > and < for scrolling through the lists
4. Key for increasing or setting a parameter
5. Key for decreasing or setting a parameter
6. Key for channel choice A
7. Key for channel choice B
8. Amplitude controller for channel A
9. Amplitude controller for channel B
10. Therapy menu key
11. Guidance menu key
12. Memory key
13. System settings key
14. Help key ?
15. ‘Go back’ key
16. Pause key
17. Stop key
18. Output channel A for plate electrodes
19. Output channel B for plate electrodes
20. Connections for the vacuum electrodes for channel A
21. Connections for the vacuum electrodes for channel B
22. Yellow pilot lamps, light when the channel concerned can produce current output
23. Vacuum controller
24. Stand-by lamp indicating that the appliance is connected to the mains and that the appliance is
turned on
25. Main switch
26. Fuse holder
27. Mains entry
28. Label with appliance data
29. Connector to connect to the potential compensating mains
30. Drain tube of the water reservoir
31. Vent hole
32. RS 232 connector for service purposes
33. Mains switch
34. Patient cable
35. Plate electrodes
36. Vacuum tubes
Phyaction Guidance E/C – service manual version 0.5 Page 8

3.2 Display indication overview
Title of the screen; it indicates which
option you chose for presetting the
treatment
Symbol representation
of the selected current Program
number
Window channel A with
data about:
• remaining treatment
time
• activated electrode
• polarity
• set amplitude
• current amplitude
• (bargraph)
• CC / CV
Recommended
amplitude (for
programs from the
Objectives / indication
list)
Parameters of the selected
channel
Selected channel
Window channel B;
is empty here, since
channel B is not
activated.
Sometimes used as well
for the graphic
representation of the
current
Option line, with the blue buttons
under the display the desired option
can be selected
Arrow to the right
indicates that you can
scroll with the button >
Phyaction Guidance E/C – service manual version 0.5 Page 9

3.3 Technical specifications.
- Number of memory places 500 - 999
- Languages:
West European: English, German, French, Dutch
South European: Italian, Spanish, Portuguese, English
- Treatment time: 0 - 60 minutes
- Dimensions : 424 x 308 x 163 cm
- Weight: 9 kg
- Insulation class: I type BF
- Voltage: 110, 127,220, 230 of 240 Volt AC, frequency 50 - 60 Hz, settings via an external switch
- Power consumption: maximum 96 VA
- Help screen for explanation on the selected electrotherapeutic current or parameter
- 2 independent channels with possibility to set different therapy forms per channel
- Extensive indication list with recommended therapy programs
- Sequential therapy forms
- Possibility to set various system settings and program parameters to the personal preference
- Built-in cable and electrode test
- Solid metal casing (Faraday’s cage)
- Cover: ABS
Ultrasound output: probe model 891
ERA: 0,6 cm² at 1 MHz
ERA: 1,0 cm² at 3 MHz
Frequency: 1 and 3 MHz
BNR < 5
Pulsfrequency: 100 Hz
Duty Cycle: 10%, 20%, 30%, 40%, 50%, 100%
Ultrasound output: probe model 892
ERA: 4,0 cm² at 1 MHz
ERA: 4,8 cm² at 3 MHz
Frequency: 1 and 3 MHz
BNR: <8
Pulsfrequency: 100 Hz
Duty Cycle: 10%, 20%, 30%, 40%, 50%, 100%
3.4 Different symbols.
3.4.1 Symbols on the front of the Guidance E/C
Therapy menu
Guidance menu
Memory
System settings
Help ?
Go back
Stop
Pause
Amplitude
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