Operational Problem Of Compressor - Samsung AM040KXMDEH/EU Service Manual

Auto Commissioning & Management System & Amount of Refrigerant Check Function

3) Operational Problem of Compressor

Things to Check: Operational current of outdoor unit compressor
Error Code: None (showing "Check Required" on the result report)
Determine the operational current of outdoor unit compressor.
When needing to check the operational current of outdoor unit compressor, please check in the following order.
power supply and power
connection of outdoor unit
the system read the compressor
current (CT) value of '0' in the stop state
value of phase-to-phase
Run the Auto Commissioning &
Management System again after installing
result of compressor current identical
to the CT sensor value?
compressor current (CT)
Is the
normal?
Yes
Does
of outdoor unit?
Yes
Is the
resistance normal?
Yes
an ammeter.
Is the measurement
Yes
Is the value of
normal?
Yes
Finish
No
Check and Take Action
No
Replace inverter PCB
No
No
Replace inverter PCB
No Is the system
refrigerant level
appropriate?
No
Adjust the refrigerant level (add/remove).
Is the operating
current of compressor
normal?
Yes
Yes
No
Replace compressor