Troubleshooting by Indication on the Remote Controller
208
Troubleshooting
Compressor inspection
Is
the stop valve
open?
NO
YES
Open the stop
valve.
Check if
the compressor
lead wires are
normal.
NO
YES
Replace the
compressor lead
wires.
Check
if the wiring
and connection to the
compressor are
normal.
NO
YES
Correct the
wiring and
connection.
Insulation
resistance of
the compressor is
100 k
Ω
or
below.
YES
NO
Replace the
inverter
compressor.
Compressor
coils are
disconnected.
YES
NO
Replace the
inverter
compressor.
YES
NO
Replace the
inverter PCB.
Caution
Be sure to turn off the power switch before
connecting or disconnecting connectors, or parts
may be damaged.
Power OFF
CHECK 4
Check if the
power transistor is
normal.
A