Troubleshooting - Sanyo SAP-KRV91EH Technical & Service Manual

If your air conditioner does not work properly, first check the following points before requesting service. If
it still does not work properly, contact your dealer or service center.
Trouble
Air conditioner does not
run at all.
OPERATION lamp flashes
and air conditioner does
not operate.
Compressor runs but
soon stops.
Poor cooling (or heating)
performance.
Clicking sound is heard
from the air conditioner.
OPERATION lamp lights
but outdoor unit will not
run.
OI-275-35EG

Troubleshooting

Possible Cause
1. Power failure.
2. Leakage breaker tripped.
3. Line voltage is too low.
4. Operation button is OFF.
5. Batteries in remote control unit
have run down.
Trouble in wiring system.
Obstruction in front of condenser coil. Remove obstruction.
1. Dirty or clogged air filter.
2. Heat source or many people in
room.
3. Doors and/or windows are open.
4. Obstacle near air intake or air
discharge port.
5. Thermostat is set too high for
cooling (or too low for heating).
6. (Outdoor temperature is too low.)
7. (Defrosting system does not work.)
In heating or cooling operation, any
plastic parts may expand or shrink
due to a sudden temperature change.
In this event, a clicking sound may
occur.
1. The use of portable telephones
near the air conditioner may cause
disturbance to its normal
operation.
Remedy
1. Restore power.
2. Contact service center.
3. Consult your electrician or dealer.
4. Press the button again.
5. Replace batteries.
Contact service center.
1. Clean air filter to improve airflow.
2. Eliminate heat source if possible.
3. Shut them to keep the heat (or
cold) out.
4. Remove it to ensure good airflow.
5. Set the temperature lower (or
higher).
6. (Try to use a back-up heater.)
7. (Consult your dealer.)
This is normal, and the sound will
soon disappear.
1. Turn off the power then restart the
air conditioner after 1 minute.
2. Consult your dealer.
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