Sanyo 24KHS72 Service Manual - Page 85

Troubleshooting, Operating Range

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Troubleshooting 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 Possible Cause Remedy Air conditioner does not run at all. 1. Power failure. 1. Restore power. 2. Leakage circuit breaker tripped. 2. Contact service center. 3. Line voltage is too low. 3. Consult your electrician or dealer. 4. Batteries in remote control unit have 4. Replace batteries. run down. OPERATION lamp blinks and air conditioner does not operate. Trouble in system. Contact service center. Compressor runs but soon stops. Obstruction in front of condenser coil. Remove obstruction. Poor cooling (or heating) performance. 1. Dirty or clogged air filter. 1. Clean air filter to improve airflow. 2. Heat source or many people in room. 2. Eliminate heat source if possible. 3. Doors and/or windows are open. 3. Shut them to keep the heat (or cold) out. 4. Obstacle near air intake or air discharge port. 4. Remove it to ensure good airflow. 5. Thermostat is set too high for cooling (or too low for heating). 5. Set the temperature lower (or higher). 6. (Outdoor temperature is too low for 6. (Consult your dealer or try to use heating.) another heat appliance.) Clicking sound is heard from the air conditioner. 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. This is normal, and the sound will soon disappear. OPERATION lamp lights but outdoor unit will not run. 1. The use of cellular phones near the air conditioner may cause disturbance to its normal operation. 1. Turn off the power then restart the air conditioner after a while. 2. Consult your dealer. Operating Range The air conditioner is operable within the temperature ranges as listed below: Temperature Indoor air temperature COOLING HEATING Max. Min. Max. Min. 95 °F DB / 71 °F WB 67 °F DB / 57 °F WB 80 °F DB / 67 °F WB - DB / - WB Outdoor air temperature 115 °F DB 0 °F DB 75 °F DB / 65 °F WB 0 °F DB OI-801-25EG 25

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25
Troubleshooting
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.
Operating Range
The air conditioner is operable within the temperature ranges as listed below:
Trouble
Possible Cause
Remedy
Air conditioner does not run at all.
1. Power failure.
1. Restore power.
2. Leakage circuit breaker tripped.
2. Contact service center.
3. Line voltage is too low.
3. Consult your electrician or dealer.
4. Batteries in remote control unit have
run down.
4. Replace batteries.
OPERATION lamp blinks and air
conditioner does not operate.
Trouble in system.
Contact service center.
Compressor runs but soon stops.
Obstruction in front of condenser coil.
Remove obstruction.
Poor cooling (or heating) performance.
1. Dirty or clogged air filter.
1. Clean air filter to improve airflow.
2. Heat source or many people in
room.
2. Eliminate heat source if possible.
3. Doors and/or windows are open.
3. Shut them to keep the heat (or cold)
out.
4. Obstacle near air intake or air
discharge port.
4. Remove it to ensure good airflow.
5. Thermostat is set too high for
cooling (or too low for heating).
5. Set the temperature lower (or
higher).
6. (Outdoor temperature is too low for
heating.)
6. (Consult your dealer or try to use
another heat appliance.)
Clicking sound is heard from the air
conditioner.
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.
This is normal, and the sound will soon
disappear.
OPERATION lamp lights but outdoor
unit will not run.
1. The use of cellular phones near the
air conditioner may cause
disturbance to its normal operation.
1. Turn off the power then restart the
air conditioner after a while.
2. Consult your dealer.
Temperature
Indoor air temperature
Outdoor air temperature
COOLING
Max.
95 °F DB / 71 °F WB
115 °F DB
Min.
67 °F DB / 57 °F WB
0 °F DB
HEATING
Max.
80 °F DB / 67 °F WB
75 °F DB / 65 °F WB
Min.
– DB / – WB
0 °F DB
OI-801-25EG