Some Parts Of Air Conditioner Does Not Operate - Sanyo SAP–CMR2428E Technical & Service Manual

8-3. Some part of air conditioner does not operate.
8-3-1. Only outdoor fan does not run.
Check fan rotation.
•
Turn fan gently once or twice
by hand.
Measure resistance of outdoor fan
•
motor winding.
Check fan motor capacitor.
•
8-3-2. Only compressor does not run.
Check compressor motor
•
capacitor.
Measure resistance of
•
compressor motor winding.
8-3-3. Function of outdoor fan speed control does not work properly.
Check thermostat in outdoor unit.
Fan cannot
be turned.
OK
Overload relay is working.
(C2,C3)
Temperature of compressor is
abnormally high.
Refrigerant gas shortage.
Rotor may be locked up.
(23S)
Check fan casing
•
for foreign matter
on inside.
Fan motor burnout
or foreign matter
in bearings.
(OLR 1 to 4)
YES
YES
YES
NO
21
Remove foreign
matter or repair.
Repair or replace.
Charge refrigerant gas (R407c).