Troubleshooting; Operating Range - Sanyo KHS1872 Instruction 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 blinks 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.
The air conditioner is operable within the temperature ranges as listed below:
Temperature
COOLING Max.
Min.
HEATING Max.
Min.
OI-801-25EG

Troubleshooting

Possible Cause
1. Power failure.
2. Leakage circuit breaker tripped.
3. Line voltage is too low.
4. Batteries in remote control unit have
run down.
Trouble in system.
Obstruction in front of condenser coil.
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 for
heating.)
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 cellular phones near the
air conditioner may cause
disturbance to its normal operation.

Operating Range

Indoor air temperature
95 °F DB / 71 °F WB
67 °F DB / 57 °F WB
80 °F DB / 67 °F WB
– DB / – WB
Remedy
1. Restore power.
2. Contact service center.
3. Consult your electrician or dealer.
4. Replace batteries.
Contact service center.
Remove obstruction.
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. (Consult your dealer or try to use
another heat appliance.)
This is normal, and the sound will soon
disappear.
1. Turn off the power then restart the
air conditioner after a while.
2. Consult your dealer.
Outdoor air temperature
115 °F DB
67 °F DB
75 °F DB / 65 °F WB
0 °F DB
25