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Troubleshooting by Indication on the Remote Controller
198
Troubleshooting
Does
the power
supply normally
come back
ON?
Do
the lead
wires have any
disconnection, broken
wire, short circuit,
or ground
fault?
YES
YES
NO
YES
It is supposed
that the error
results from
external causes
other than
failures (e.g.
exogenous
noises or
thunder).
NO
NO
Replace the
outdoor unit main
PCB at the same
time.
Replace the
outdoor unit main
PCB.
Turn OFF the power
supply once, and then
check the compressor
lead wires.
Turn ON the power
supply again.
YES
NO
Replace the lead
wires.
CHECK 4
Check if the power
transistor is
normal.
Caution
Be sure to turn off the power switch before
connecting or disconnecting connectors, or parts
may be damaged.
Check if
insulation
resistance of the
compressor is
100k
Ω
and
above.
A
Содержание VRVII
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