Sanyo SA-128S5-A Technical & Service Manual page 18

7-3-3. Only compressor does not run.
A. Check setting temperature.
Is room temperature too low ?
Try to lower setting temperature by
thermostat knob COOLER.
B. Check compressor and electrical parts.
• Check compressor motor
capacitor.
• Measure resistance of
compressor motor winding.
• Measure power supply
voltage.
The voltage is too low.
CAUTION
If the unit is turned off during cooling, DO NOT restart it immediately, as this can damage it. Wait at least three
minutes before starting it again.
NO
Overload relay is working.
Temperature of compressor
is abnormally high.
Refrigerant gas shortage.
No
Rotor may be locked up.
YES
YES
YES
NO
14
Charge refrigerant gas (R22).