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(V3052)
Has the check
operation performed on
Outdoor unit P.C.B?
Press the BS4 on P.C. board on
the master outdoor unit for 5
seconds or more to execute check
operation.
Replace the main P.C. 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.
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