Precor C954i Service Manual download pdf (Page 22)

C954, C956 Treadmill

Page 1-22 Page 22

14. If the resistance readings in step 13 are normal, replace the lower PCA per Procedure 6.3.

15. If you have performed all of the procedures above and have been unable to correct the

problem, call Precor customer service.

16. Set the treadmills circuit breaker in the “off” position and remove the AC line cord from the

AC outlet. Remove the lift motor connector from the J1 connector on the lower PCA.

Visually, inspect the lift motor connector for broken or improperly crimped connections.

Using an ohmmeter, measure between terminals 1 & 3, 1 & 2 and 2 & 3 of the lift motor

connector. Terminals 1 and 3 should read approximately 1 KΩ. The sum of the two readings

between terminals 2 & 3 and 1 & 2 should total approximately 1 KΩ. If either reading is open

or very high resistance, replace the lift motor per Procedure 6.1.

17. If the resistance measurements in step 16 are normal, the problem may be either the lower

PCA or the upper PCA. Replace the lower PCA. If the problem persists, reinstall the original

lower PCA and replace the upper PCA.

18. If you have performed all of the procedures above and have been unable to correct the

problem, call Precor customer service.

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Precor C954i Service Manual Page 22