Sanyo KHS1251 Air Conditioner User Manual


 
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9-4. Air conditioner operates, but abnormalities are observed.
9-4-1. Operation does not switch from HEAT to COOL (or COOL to HEAT).
Indoor PCB Ass'y is defective.
Check voltage between terminals
No. 3(+) and No. 5 at terminal plate.
(DC 24V)
No voltage appears.
Outdoor PCB Ass'y is defective.
OK
Remote control unit may be defective.
Measure resistance of 4–way valve's
winding.
Receiver in lamp Ass'y may be
defective.
COOL HEAT
Check voltage between terminals
No. 3(+) and No. 5 at terminal plate.
(0V)
HEAT COOL
000-111 SM (18-68) 00.3.17 11:49 AM y[W 61