Precor EFX 885 - Troubleshooting 5.11 - P30 - Troubleshooting the Keypad and the Upper PCA

EFX 885, 835, 825
Service Manual 20039-166
Page 84
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Troubleshooting 5.11 P30 Troubleshooting the Keypad and the Upper PCA
Procedure
Note: The white or yellow wire on the cables shown in Diagram 5.5.9 denotes pin 1. When these cables are
inserted into their connectors, the white or yellow wire must align with the pin 1 designation on the PCA. If pin 1 is
not marked on the PCA refer to Diagram 5.5.9.
1.
machine controls per Procedure 5.5, steps 1 through 12. Place the console on the maintenance mounting
hook and reconnect all cables.
2.
UBK, AMT, and EFX, skip to step 23.
3. If a key does not function, skip to step 18.
4. If the display does not illuminate, continue with step 5.
Diagram 5.11.1 - Console, Upper PCA, JTAG (J9) Connector
JTAG (J9) Connector
Pin 1
Pin 4
Pin 2