Sanyo KHS1852-S Manual Do Utilizador

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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 
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