This is raw field video of a Carrier ductless OD unit service call.
In this video, the equipment has been serviced prior by other technicians.
This equipment exhibited a P4 error code on the head inside (high wall).
Recommendations were made by others but failed to check the most basic, refrigerant charge.
I apologize in advance for video stabilization, feature was toggled off.
Негізгі бет Carrier Ductless P4 Error
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