Symptom | Probable Cause | Corrective Action | Recommended Tools |
ELEVATION
NOT
FUNCTIONAL
( E1 ERROR)
Improper grounding
/ Calibration
(May cause unit to
drift up & down
without command)
Unit is stuck at full
incline
Defective Start
Capacitor
Defective PWM
•Test 110VAC outlet for proper grounding
•If unit has not been calibrated – calibrate
•Ensure that incline cables are secure on
PWM
•Verify the lower limit switch is properly connected to the PWM
•Remove the LLS wire from the PWM and short the two posts of the connector together with an alligator clip. Cycle the power. If the treadmill lowers itself then replace the lower limit switch.
•Perform Incline potentiometer calibration procedure (page 20)
•If incline nut is stripped- replace incline nut
•Do Up/Down command LED’s light?
•If No- skip to defective PWM section.
•If yes- does motor hum with no movement?
•If yes- check the leads to the capacitor for breaks, if no breaks- replace capacitor.
•If No- replace PWM.
•If no Up/Down LED’s light check continuity on data cables.
•If cables are good- replace Upper Panel.
•If cables bad- Replace data cables.
Alligator clip
Note:
All trouble shooting should be performed in calibration mode.
Page 14
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