CYBEX 900T User manual

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Cybex 900T Treadmill Service Manual
Cardiovascular Systems
Cybex and the Cybex logo are registered trademarks of Cybex International, Inc. Bioflex and the Bioflex logo are registered
trademarks of Cybex International, Inc. Polar is aregistered trademark of Polar.
DISCLAIMER: Cybex International, Inc. makes no representations or warranties regarding the contents of this manual. We
reserve the right to revise this document at any time or to make changes to the product described within it without notice or
obligation to notify any person of such revisions or changes.
©2001, Cybex International, Inc. All rights reserved. Printed in United States of America.
10 Trotter Drive Medway, MA
02053· 888-GO-CYBEX· 888-462-9239· 508-533-4300· FAX [phone]
[email protected]@cybexintl.com •SM-16106 Rev A • June 2001

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Cybex 900T Treadmill Service Manual
About This Manual
For your convenience, all measurements and voltage requirements are listed in both English
and metric units. English values are listed first, followed by metric units in parentheses. For
example:
1" (2.54 em).
The 900T Treadmill is anewer model that has replaced the former 685 model. This manual,
part number SM-16106, should be referred
to for 685 service questions. An Owner's Manual
is shipped with each 900T Treadmill.
To purchase acopy of any manual, order online at
www.eCybex.com, fax your order
to 508-533-5383 or contact Cybex Customer Service at
888-462-9239 or 508-533-4300.
To contact Cybex with comments about this manual you may send email to
[email protected].
FCC Compliance Information
!WARNING: Changes or modifications to this unit not expressly approved by the party
responsible for compliance
could void the user's authority to operate
the equipment.
This equipment has been tested and found to comply with the limits for aClass Adigital
device, pursuant
to Part 15 of the FCC Rules. Operation is subject to the following two
conditions: (1) This device may not cause hannful interference, and (2) this device must
accept any interference received, including interference that may cause undesired operation.
Pagei

Pageii
Cybex 900T Treadmill Service Manual
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Cybex 900T Treadmill Service Manual
Table of Contents
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Front Pages
About this Manual i
FCC Compliance Information i
Table of Contents .iii
1Safety
Important Voltage Information 1-1
Grounding Instructions 1-1
Important Safety Instructions 1-2
Caution Decals
1-4
2Technical Specifications
Specifications 2-1
Bioflex 2-2
3Preventive Maintenance
Regular Maintenance Activities 3-1
Cleaning Your Treadmill 3-1
Running Belt Maintenance
3-2
Other Preventive Maintenance 3-6
Service Schedule 3-7
Log Sheet 3-8
4Troubleshooting
Diagnostic Test Mode 4-1
Diagnostic Menu 4-1
LED Functions
4-6
Motor Current &Voltage 4-7
Speed Sensor Adjustment 4-9
Error Codes 4-10
Flow Charts 4-13
5Removal &Replacement
Running Belt &Deck 5-1
Drive Belt
5-4
Front Roller 5-4
Rear Roller 5-4
Drive Motor 5-5
Drive Motor Cleaning 5-8
Motor Brushes 5-12
Elevation
Motor 5-14
Limit Switch Assembly 5-17
PWM Module 5-18
Display Board
5-20
EPROM 5-21
Contact Heart Rate Board 5-22
CSAFE Board 5-24
Display Cable 5-25
Display Overlays 5-26
Handrail Assembly 5-28
6Diagrams
Parts List 6-1
Exploded View
6-3
900T Schematic 6-4
7Customer Service
Contacting Service 7-1
Serial
Number 7-1
Retum Material Authorization (RMA)
.. 7-1
Damaged Parts 7-2
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Cybex 900T Treadmill Service Manual
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Cybex 900T Treadmill Service Manual
IMPORTANT: Read all instructions and warnings before using the treadmill.
Important Voltage Infonnation
Page 1-1
Front Pages
About this Manual i
FCC Compliance Infoonation .. i
Table of Contents iii
1 Safety
~ Voltage Information 1-1
Grounding Instructions ..... 1-1
Important Safety Instructions 1-2
Caution Decals . . . . . . . . .. 1-4
2 Technical Specificatiolls
~ 2-1
Bioflex 2-2
3Preventive Maintenance
Regular MarnenMCe Activities 3-1
Cleaning Your Treadmill. .
.. 3-1
Running Belt Maintenance .3-2
Other Preventive
Maintenance ~
Service Schedule 3-7
Log Sheet 3-8
4 TroubIeshooUlg
Diagnostic Test Mode 4-1
Diagnostic Menu 4-1
LED Functions
4-6
Motor Current &Voltage 4-7
Speed Sensor Adjustment .. 4-9
Error Codes 4-10
Flow Charts 4-13
5 Removal &RepIac:ement
Running Belt &Deck 5-1
Drive Belt 5-4
Front Roller 5-4
Rear Roller 5-4
Drive Motor 5-5
Drive Motor Cleaning 5-8
Motor Brushes. ....... .. 5-12
Elevation Motor 5-14
Umit Switch Assembly 5-17
PWM Module 5-18
Display Board 5-20
EPROM 5-21
Contact Heart Rate Board . 5-22
CSAFE Board 5-24
Display Cable 5-25
Display Overlays 5-26
Handrail Assembly 5-28
6 Diagrams
Parts Ust 6-1
Exploded VIeW 6-3
900T Schematic 6-4
7Customer Service
Contacting Service 7-1
Serial Number 7-1
Return Material Autt1orization
(RMA) 7-1
Damaged Parts. . . . . . . . .. 7-2
This treadmill is for use on a
nominal 115
VAG ±15%, 60
/DANGER:
Improper connection of the
equipment-grounding
conductor can result in a
risk of electric shock. Check
with a qualified electrician
or service provider if you are
in doubt as to whether the
treadmill is properly
grounded. Seek a qualified
electrician to perform any
modifications to the cord or
plug. Cybex is not
responsible for injuries or
damages as a result of cord
or plug modification.
208/220V
NEMA 6-15
Euro Plug
GEE 7/7
Grounding Instructions
1- Safety
Before you assemble your 900T, check to make sure that the treadmill has the
correct voltage requirements
for your area, and that you have the correct
model. The power requirements for this treadmill are 220 VAG ±15%, 50 Hz/60
Hz and 15 amps grounded, dedicated circuit.
/WARNINGS: Do not attempt to use this unit with a voltage adapter.
Do not attempt to use this unit with an extension cord.
This treadmill is intended for commercial use. This treadmill must be grounded.
If it should malfunction
or break down, grounding provides apath of least
resistance for electric current
to reduce the risk of electric shock. This
product is equipped with acord having an equipment-grounding conductor
and agrounding plug. The plug must be plugged into an appropriate outlet
that is properly installed and grounded in accordance with all local codes
and ordinances.
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Page 1-2
Cybex 900T Treadmill service Manual
Hz and 20 amps or a 220 VAC ±15%, 50 Hz/60 Hz and 15 amps grounded, dedicated circuit.
Make sure
that the treadmill is connected to an outlet having the same configuration as the
plug. Do not use a ground plug adapter to adapt the power cord to a non-grounded outlet.
Important Safety Instructions
(Save These Instructions)
J
DANGER: To reduce the risk of electric shock, always unplug this treadmill from
the electrical outlet immediately after using it and before cleaning it.
JWARNING: Serious injury could occur if these precautions are not observed. To
reduce the risk of bums, fires, electric shock, or injury:
• Obtain amedical exam before beginning any exercise program.
•Keep children away from the treadmill. Teenagers and disabled persons must be
supervised while using.
•
Stop exercising if you feel faint, dizzy, or experience pain at any time while exercising
and consult your physician.
•
Use the treadmill handrails for support and to maintain balance.
.• Use caution when mounting and dismounting the treadmill.
• Disconnect all power before servicing the treadmill.
•Use a
dedicated line when operating the treadmill.
• Connect the treadmill to aproperly grounded outlet only.
•
Do not operate electrically powered treadmills in damp or wet locations.
•Keep
the running belt clean and dry at all times.
•
Stop and place the treadmill at 0degrees incline (level) after each use.
• Do not leave the treadmill unattended when plugged in and running. After turning off the
treadmill, don't leave it until it comes to a complete stop and is level. To disconnect,
turn all controls to the STOP or OFF position, and then remove the plug from the outlet.
• Inspect the treadmill for worn or loose components before each use. Do not use until
worn or damaged parts are replaced.
•Maintain and replace worn parts regularly. Refer
to "Preventive Maintenance" Section of
Owner's Manual.
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Cybex 900T Treadmill service Manual
•Do not operate the treadmill if the cord is damaged, if the treadmill is not
working properly,
or if the treadmill has been dropped or damaged. Seek
service from aqualified technician.
•Do
not place the cord near heated surfaces or sharp edges.
•Do
not use the treadmill outdoors.
•Do
not operate the treadmill around or where aerosol (spray) or where
oxygen products are being used.
•Read
and understand the Owner's Manual completely before using the
treadmill.
•Read and understand emergency
stop procedures.
•Read and understand all warnings posted on the treadmill.
•Replace any warning label if damaged, worn
or illegible.
•Do
not wear loose or dangling clothing while using the treadmill.
•Always wear proper footwear on
or around exercise equipment.
•Keep all
body parts, hair, towels, water bottles, and the like free and clear
of moving parts.
•Set
up and operate the treadmill on asolid, level surface. Do not operate
in recessed areas or on plush carpet.
•Provide
the following clearances: 39 inches (1 m) at each side, 78 inches
(2 m) at the back, and enough room for safe access and passage at the
front
of the treadmill. Be sure your treadmill is clear of walls, equipment,
and
other hard surfaces.
•Do
not attempt repairs, electrical or mechanical. Seek trained repair
personnel when servicing. Contact
the nearest authorized Cybex dealer
or other competent repair service.
•Use
Cybex factory parts when replacing parts on the treadmill.
•Do
not modify the treadmill in any way.
•Do
not use attachments unless recommended for the treadmill by Cybex.
•Report any malfunctions, damage or repairs to the facility.
•Do
not use the treadmill if you exceed 400 Ibs. (181 kg). This is the rated
maximum user weight.
Front Pages
About this Manual i
FCC Compliance Information .. i
Table
of Contents iii
1 Safety
ImportantVoltage Infoonation 1-1
Grounding Instructions
..... 1-1
Important Safety Instructions 1-2
Caution Decals . . . . . . . . .. 1-4
2Technical Specifications
Specifications . . . . . . . . . .. 2-1
Bioflex 2-2
3Preventive Maintenance
Regular Maintenance Activities 3-1
Cleaning
Your Treadmill. . .. 3-1
Running
Belt Maintenance .3-2
Other Preventive
Maintenance
3-6
Service Schedule 3-7
Log Sheet 3-8
4Troubleshooting
Diagnostic Test Mode 4-1
Diagnostic
Menu 4-1
LED Functions
4-6
Motor Current &Voltage 4-7
Speed SensorAdjustment .. 4-9
Error Codes 4-10
Flow Charts 4-13
5Removal & Replacement
Running Belt &Deck 5-1
Drive Belt 5-4
Front Roller 5-4
Rear Roller 5-4
Drive Motor 5-5
Drive Motor Cleaning 5-8
Motor Brushes 5-12
Elevation Motor 5-14
Umit Switch Assembly 5-17
PWM Module 5-18
Display Board 5-20
EPROM 5-21
Contact Heart Rate Board . 5-22
CSAFE Board 5-24
Display Cable 5-25
Display Overlays 5-26
Handrail Assembly 5-28
6 Diagrams
Parts Ust 6-1
Exploded VieW 6-3
900T Schematic 6-4
7 Customer 5ervice
Contacting Service 7-1
Serial Number 7-1
Retum Material Authorization
(RMA) 7-1
Damaged Parts. ....... .. 7-2
Page 1-3

Page 1-4
Cybex 900T Treadmill service Manual
Caution Decals
Caution decals indicate apotentially hazardous situation, which, if not avoided, may result in
minor or moderate injury. The caution decals used on the 900T are shown below. To replace
any worn
or damaged labels do one of the following: Visit eCybex.com to shop for parts
online, or download the parts order form and fax your order
to 508-533-5183. To speak with a
customer service representative, in most areas call 888-GO-CYBEX
or 888-462-9239.
Otherwise call 508-533-4300.
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