Troubleshooting; Operating Range - Sanyo C1872 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 blinks and air
conditioner does not operate.
Compressor runs but soon stops.
Poor cooling 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:
For Cooling Only Models : C1872, C2472
Temperature
COOLING Max.
Min.
For Low Ambient Cooling Models : CL1872, CL2472
Temperature
COOLING Max.
Min.
24

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.
In cooling operation, any plastic parts
may 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
Indoor air temperature
95 °F DB / 71 °F WB
67 °F DB / 57 °F 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 out.
4. Remove it to ensure good airflow.
5. Set the temperature lower.
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
Outdoor air temperature
115 °F DB
0 °F DB
OI-800-24-EG