WBFA : Encoder Fault TPC A

Disconnect power from the TPC and wait 5 minutes.

 

Within the TPC, verify that the connectors on the motor cable are secured to the receptacles on the PCB. Verify that wire ferrules are secured in the connectors.

 

Within the motor, verify that the encoder connectors are properly mated.

 

Note: The conditions for this error are checked only on power up.  To reset or re-check this error, cycle power to the entire Reactor system.

Disconnect power from the TPC and wait 5 minutes.

 

Verify that the encoder stem is properly installed into the motor shaft.

 

Verify that the encoder mounting tabs are properly secured to the motor.

Disconnect power from the TPC and wait 5 minutes.

 

Disconnect the motor cable from the TPC and motor.  Check all encoder signals for continuity between both ends of the cable.

Replace encoder.