Precor C524 Service Manual page 22

13. Remove the rear cover. Disconnect the lower interconnect cable from the lower PCA and
the mid-point connector. Substitute a known good interconnect cable from the lower PCA to
the mid-point connector. It is not necessary to route the test interconnect cable through the
frame tube, for convenience route it externally.
14. If the lower interconnect cable corrects the problem, replace the cable per Procedure 7.4. If
the lower interconnect cable does not correct the problem, re-connect the original lower
interconnect cable to the lower PCA and mid-point connector and continue with step 7.
15. Remove the upper display housing per Procedure 7.1, steps 1 to 4. Disconnect the upper
interconnect cable from the mid-point connector. Substitute a known good interconnect
cable from the upper PCA to the mid-point connector. It is not necessary to route the test
interconnect cable through the frame tube, for convenience route it externally.
16. If the upper interconnect cable corrects the problem, replace the cable per Procedure 7.4. If
the upper interconnect cable does not correct the problem, re-connect the original upper
interconnect cable to the mid-point connector and continue with step 9.
17. Replace the upper PCA per Procedure 7.1, steps 9 to 11.
18. If you have performed all of the procedures above and have been unable to correct the
problem, call Precor customer service.
C524, C524i Elliptical Fitness Crosstrainer
Page 22