! WARNING: All maintenance activities shall be performed by qualified personnel.
Failure to do so could result in serious injury.
For any service related concerns, call Cybex
Customer Service at 800-766-3211 (for
Cybex customers living within the USA). For
customers living outside the USA, call
508-533-4300 or fax 508-533-5183.
NOTE: Read and understand each procedure
thoroughly before servicing. Unless otherwise
noted “right” and “left” denote user orientation
for all procedures.
Test Mode
To enter Test Mode press and hold down the Heart Rate and Level keys simultaneously for
five seconds while in Dormant Mode. When the Heart Rate and Level keys are released the
software revision “rx.x” is shown on the display. To exit Test Mode press the Pause/Stop key
once.
Stuck Key List
If “key” and a number is displayed you can determine which key is stuck closed by referring
to the list below. If a key is stuck closed you may need to replace the upper or lower display
overlay. See Figure 1. Follow the Display Overlay procedure located in this chapter.
1 Cal/Hr
2 Aux
3 Channel + (opt.)
4 Cool Down
5 Mets
6 HR Control
7 Level
8 Enter
9 Incline Down
10 Speed -
11 Channel - (opt.)
12 Time
13 Cal
14 Programs
15 Arrow Up
16 Arrow Down
17 Inline Up
18 Speed +
19 Volume - (opt.)
21 Distance
23 Weight
24 Heart Symbol 25 Pause/Stop 26 Quick Start 27 Volume + (opt.)
29 Scan 30 Manual 32 Min/Mi/Km
Cybex 425T Treadmill Service Manual
Cybex International, Inc. Medway, MA USA (508) 533-4300 www.CybexInternational.com Wireless HR Receiver Inside
HR
control
programs
manual
VOLUMECHANNEL
Figure 1
Upper
Overlay
Lower
Overlay
Service
Page 4-2
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