Sanyo Big PACi 18 Series - Page 228

5-11
5
No
No
Yes
Yes
(4) [Alarm "P22"] Outdoor unit fan motor drive circuit trouble
Are the connectors CN003, CN005,
CN041 and CN042 connected correctly to
the outdoor unit control PCB?
Start of defect diagnosis
Correct the connections
Does the
fan rotate without resistance
when spun manually after the connectors
CN003, CN005, CN041 and CN042 are
disconnected from the outdoor
unit control PCB?
Normal operation?
ReplaceFan motor trouble
No
ReplaceFan motor trouble
ReplaceOutdoor unit control PCB is faulty.
Yes
Complete
SM830161Book.indb11SM830161Book.indb11 2008/06/039:10:272008/06/039:10:27