EFX 885, 835, 825
Service Manual 20039-166
Page 86
©2011 Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law
9. If 5 Vdc is not present on TP2 and 8 Vdc is present on TP4, replace the metrics PCA.
10. If 8 Vdc is not present on TP4 and the upper PCA is illuminating normally, replace the cable between the
upper PCA and the metrics PCA.
11. If you have performed steps 7 - 10 and the metrics PCA still does not illuminate, contact Precor customer
support for assistance.
12.
pedaling.
13. With a DC voltmeter, measure between pins 2 and 4 of J9 (JTAG Connector) for 5 Vdc and between pins 6
and 7 of J6 (Option Cap) for 8 Vdc.
14. If 5 Vdc is not present on J9 and 8 Vdc is present on J6, replace the upper PCA.
15.
good cable.
16. If the upper PCA illuminates normally, replace the upper PCA to power control module cable permanently.
If the upper PCA still does not illuminate, replace the power control module (treadmills) or Lower PCA
).
17. If you have performed steps 12 - 16 and the upper PCA still does not illuminate, contact Precor customer
support for assistance.
18.
pedaling.
19. If none of the keys on the display are functioning, check the stop switch cable connection to the upper PCA.
(Treadmill Only).If the stop switch is not connected or the stop switch is not functioning, none of the
display keys will operate. This feature insures that the treadmill has a functioning stop switch when it is in
use (Treadmill Only).
20. If a particular key is not functioning, perform the keyboard test in Procedure 5.2. If the test verifies that the
key is not functioning, replace the console face or the machine controls.
21. If the console face or the machine controls has been replaced and the same key or control is still not
functioning, replace the upper PCA.
22. If you have performed steps 18 - 22 and the same key is still not functioning, contact Precor customer
support for assistance.
23. Remove the keypad cable from the upper PCA. See Diagram 5.5.8.
24.
pedaling.
25. If the STUCK KEY message is no longer displayed, replace the console face.
26.
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