Low read-back volts from motor armature circuit.

Hva betyr 937 ?

This fault indicates that a low voltage read-back is detected from the motor armature circuit. This can occur during Self-Tune (Function #997) or Self-Diagnostic (Function #998).

• Missing or reversed wires connected to the armature voltage feedback at A2TB5-1 and A2TB5-2.
• Component problem where the feedback voltage divider ratio does not match the one identified in the Cube ID PCB.

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1. 1

   Check for missing or reversed wires connected to the armature voltage feedback terminals A2TB5-1 and A2TB5-2.