Car Fault: 682

Fault Description:

Encoder Alarm Fault - The encoder returned an alarm bit, indicating a internal problem which is either with the power supply to the LEDs in the encoder, or a faulty position reading in the encoder.

Possible Causes:

Noise

Internal encoder failure

Possible Solutions:

Verify that the P5 VDC supply at the Absolute Encoder Interface Card (6300RC2) is no greater than +0.05 or less than -0.0 with respect to test point DGND on the 2407MC card

Verify that the P5 VDC supply at the encoder interface card (6300XA1) is no greater than +0.25 or less than -0.05 with respect to G5 terminal on the card

To Reset the Encoder Alarms

Access the Drive CMD Menu

Arrow down to View Alarms

Press Enter to reset the encoder alarms