Specifications

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148 Troubleshooting
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(V3052)
Has the
check operation
performed on Outdoor
unit PC board?
Press the BS4 on PC board on the
master outdoor unit for 5 seconds
or more to execute check
operation.
Replace the main PC board on the
outdoor unit.
NO
YES
Caution
Be sure to turn off power switch before connect or disconnect connector,
or parts damage may be occurred.