Johnson JET7000 - Treadmill Will Not Incline Up or Down

Treadmill will not incline up or down
Possible causes:
1. The incline settings
are not correct.
2. The 8-pin console
cable is damaged.
3. PCB is damaged.
4. MCB is damaged.
5. Variable Resistance
is damaged.
Fix:
1. Enter to Engineering Mode to see if the incline
motor will be activated.
u OR
Use a new 8-pin console cable to connect
PCB and MCB to see if the incline motor will
be activated.
u OR
Replace PCB.
u OR
Replace MCB.
2. Enter to Engineering Mode and verify if the
number in the right window varies as the elevation
changes.
u OR
Ø Replace 8-pin cable and check.
Ø Replace Variable Resistance.
Ø Replace PCB and check.
u Enter the Engineering Mode to re-calibrate the
incline.
6-8 Revision: 1.0 Date: 2001-06-01