MXZ-SM48NAMHZ Service Manual

74
OCH789
Check code
Compressor current interruption (Locked compressor)
●Diagnosis of defects
Make sure to turn the power OFF before connecting/disconnecting any connectors, or replacing boards.
Diagnosis Remedy
4100
(UF)
Chart 2 of 2
Yes
Yes
No
No
Are they connected properly?
Is the compressor faultily grounded?
Connect the wiring properly, then turn the
power back ON.
Replace the outdoor power circuit board
(Defective outdoor power circuit board).
Replace the compressor (Defective compressor).
Check whether the compressor is faultily
grounded or not.
Continued from the previous page.