3-6 Troubleshooting
MedTrack CR60 Rehabilitation Treadmill Service Manual
Speed
1. Enter the service mode.
2. Press
Up
,
Faster
, and
Slower
simultaneously to enter open-loop speed
mode.
3. Press
Stop Belt
,
Faster
, and
Slower
simultaneously to exit the service
mode (P5555 is displayed); do not press the
Power
key.
4. Ensure that no one is standing on the walking belt, then press
Start
Belt
.
5. Press and hold
Faster
or
Slower
to change the speed.
6. When testing is finished, press
Clear
, or press
Power
twice to exit
open-loop mode.
Grade
1. Enter the service mode.
2. Press
Faster
,
Up
, and
Down
simultaneously to enter open-loop grade
mode.
3. Press
Stop Belt
,
Faster
, and
Slower
simultaneously to exit the service
mode (P5555 is displayed); do not press the
Power
key.
4. Press and hold
Up
or
Down
to change grade.
5. When testing is finished, press
Clear
, or press
Power
twice to exit
open-loop mode.
Testing Pin Signals on the Communications
Cable
Communication cable problems can cause an E204 error message. Use an
ohmmeter to test for the following conditions:
1. Check each wire for continuity from one end of the cable to the other.
2. Check each wire for a short to another wire.
3. Check each wire for a short to the metal connector housing at the
drive end. The following table shows signals on control cable pins.
Pin No. AC Drive
Module (J12)
Pin No.
Controller (J1)
Signal
1
1
T+ (T)
2
2
T- (Transmit -)
3
3
R+ ()
4
4
R - (Receive -)
5
5
GND (Ground)
6
6
N/C
7
7
GND (Ground)