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BillyHvac, Journeyman HVAC Tech
Category: HVAC
Satisfied Customers: 22673
Experience:  Endorsed for unlimited heating, cooling, oil burners, boilers, refrigeration, hydronics
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Frigidaire mini-split frs12pyc1 - originally got error code

Customer Question

Frigidaire mini-split frs12pyc1 - originally got error code E6. Ordered a new control board for the outside unit and installed it. No longer getting E6 code but compressor does not come on. Fan comes on in cooling mode only but not compressor. Left heating mode on for over and hour and nothing happens, no error codes, no compressor, nothing. Filters are clean, tried turning the breaker off and back on. What can I do to get it running?
Submitted: 1 year ago.
Category: HVAC
Expert:  BillyHvac replied 1 year ago.

I am very sorry your question has not been picked up yet.

I just logged on and found you had not been assisted.

Please let me know if you still need help and I will do my best. Please do not "Rate" as we have not worked toward an answer yet.

If you would like to proceed let me know by replying. Once again use reply..not "rate".

Customer: replied 1 year ago.
Do you have a solution?
Expert:  BillyHvac replied 1 year ago.


have checked the communication cable and wire nuts, any splices etc?...this communication error usually affects everything when it is board...when 1 mode faults it is generally a wire, connection, edge connector etc...

Customer: replied 1 year ago.
All connections are good, no splices, no wire nuts. No longer getting E6 with the new board but it just won't run. It ran fine before E6 appeared with the old board. Checked cables, no splices or wire nuts in the outside or inside units, only in the power supply box. Inside unit it on, remote works to change mode, temp settings, etc and fan runs. Outside unit does not turn on to cool or heat, tried both.