Carrier 38 KCL018R33 - Resetting Phenomenon Often Occurs During Operation; Over Current Protection of the Compressor Occurs 4 Times

Service manual
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10.4
Resetting phenomenon often occurs during operation.
(That is automatically entering to the status when power is on.)
The reason is that the instantaneous voltage of main chip is less than 4.5V. Check according to the following
procedure:
Resetting phenomenon often occurs during operation.
After changing indoor PCB, check if the failure realease.
Yes
After changing indoor fan motor, check if the failure realease.
Yes
YES
Yes
Power supply circuit has problems.
Indoor PCB is defective.
10.5 Over current protection of the compressor occurs 4 times
Over current protection of the compressor occurs 4 times