FMM module on my ATK just keeps clicking

[odietel]

Just got back from vacation after a week of errors from my ATK . The FMM module just keeps clicking and the ATK hasn’t worked for over a week now . Thank god for some friends that were able to stop over and top off the tank .
Got back last night and tried to reset and also update the FMM and still nothing . Is my FMM bad ?

Programming hasn’t changed -
Fallback OFF
Set OFF
If Swx8_1 OPEN Then ON
If Swx8_2 CLOSED Then OFF
When On > 030:00 Then OFF
Defer 000:10 Then ON
Defer 000:04 Then OFF
Min Time 060:00 Then OFF

Any ideas ?

[odietel]

Unplugged the pmup and the clicking stops . I’m assuming the pump is bad ?


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[rkpetersen]

Bad pmup would be my first guess. Unfortunately does not seem to be that rare, so I keep a spare one on hand.

[nicholb]

Bad PMUP caused the same behavior for me. Most likely what's happening with yours. If you are still in warranty contact support. Otherwise I would go with some other pump.

[Sleepydoc]

Ditto the above comments. What may be happening is the pump is drawing too much current and the over-current protection in the FMM is shutting it off, then it’s trying to turn on only to have the same thing happen again.