Sanyo CH0951 Technical & Service Manual page 64

9-3-4. Only outdoor fan does not run.
• Check fan rotation.
Turn fan gently once or twice by
hand.
• Measure resistance of indoor fan
motor winding.
OK
• Check fan motor capacitor.
9-3-5. Only compressor does not run.
• Check compressor motor
capacitor.
• Measure resistance of
compressor motor winding.
• Measure Power supply
voltage.
The voltage is too low.
• Measure resistance of power
relay.
Fan cannot
be turned.
Overload relay is working.
Temperature of compressor
is abnormally high.
Refrigerant gas shortage.
No
Rotor may be locked up.
(PR)
• Check fan casing
foreign matter on
inside.
Fan motor burnout
or foreign matter in
bearings.
YES
YES
YES
NO
60
Remove foreign
matter or repair.
Repair or replace.
• Measure resistance of PTC
thermistor.
Charge refrigerant gas (R22).