Precor AMT 823, Service Manual

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Figure 16: Metrics PCA, Front View
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
For treadmill’s set the on/off switch in the on position, for AMT’s,
EFX’s, UBK’s, RBK’s and CLM’s start 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
If 8 Vdc is not present on J6, temporarily replace the upper PCA to
power control module (treadmill’s) or Lower PCA (AMT’s, EFX’s,
UBK’s, RBK’s and CLM’s), cable with a known 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 (AMT’s, EFX’s, UBK’s, RBK’s and CLM’s).
17
If you have performed steps 12 - 16 and the upper PCA still does not
illuminate, contact Precor customer support for assistance.
18
For treadmill’s set the on/off switch in the on position for AMT’s,
EFX’s, UBK’s, RBK’s and CLM’s start 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).