Hello all

Does anybody know why the indoor unit of the above high wall split would be emmiting a constant beeping noise about twice a second.

Unit does not operate at all. As soon as the isolator is turned on the unit starts beeping but does nothing else.

From the limited support I could get on this unit, the seemed to think that it was a problem with the indoor ambient thermistor or indoor coil thermistor.

When I arrived at the job I discovered that my meter was malfunctioning so I couldnt check the thermistors, but I had a new PCB complete with thermistors that they had sent to me. Changing this did nothing for the problem.

Thanks in advance.