Fagor alarm 3733: Error when refreshing local feedback reading

What it means

While reading the local analog inputs used by the position loop, the CNC received an alarm from one of them. Functionally similar to 3732, but reported from the periodic refresh of local analog acquisitions rather than the count itself.

Likely causes

• probe or feedback device wired to the local input reporting alarm
• loose connector on the local feedback input
• cable damage causing loss of a differential signal

Replacement parts

We supply the following units for this alarm — tested, warranty-backed:

• EC-P-D feedback cable SUB D15 HD

  cable · Common cause

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