Service manual

67
●
Check transformer in outdoor unit. (AER518SCL3 Only)
●
Check fuse on outdoor PCB Ass'y. (AER518SCL3 Only)
•
Measure resistance of primary and
secondary winding.
(TR2)
If fuse blows,
Check fuse on outdoor PCB Ass’y
for continuity.
•
OK
Measure resistance of primary
winding of transformer.
•
(TR2)
OK
Measure resistance of outdoor
fan motor winding.
•
Outdoor PCB Ass’y is defective.
•
(F)