Troubleshooting by Indication on the Remote Controller
227
Troubleshooting
NO
YES
YES
Properly connect
the connectors.
Are the
connectors of
the inverter PCB,
control PCB, and sub
PCB all securely
connected?
YES
NO
Replace the
compressor
(M1C).
The INV.
compressor has
insulation resistance of
not more than
100k
Ω
.
YES
NO
Replace the fan
motor.
The fan
motor has
insulation resistance of
not more than
1M
Ω
.
NO
YES
Not the "
LC
"
error. Check the
error code again.
The micro-
computer
normal monitor
(green) of the control
PCB is blinking.
Is the
type of the inverter
PCB correct?
NO
Replace it with a
correct PCB.
Caution
Be sure to turn off the power switch before
connecting or disconnecting connectors, or parts
may be damaged.
A
