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Troubleshooting by Indication on the Remote Controller
303
Troubleshooting
Check if any
disconnection or
connection error is
detected in connecting
wires with external
control adaptor
for outdoor
unit.
YES
NO
YES
YES
NO
Correct the
connecting wiring
with the external
control adaptor
for outdoor unit.
Supply the power
to the outdoor
unit.
Replace the
outdoor unit main
PCB.
Check if the
normal condition
monitor LED for the
outdoor unit PCB
blinks.
NO
Check
if power is
supplied to the
outdoor units.
Caution
Be sure to turn off the power switch before
connecting or disconnecting connectors, or parts
may be damaged.
A
Diagnosis Flow 1
Check of error 3
Check of error 4
Содержание VRVII
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