Maintenance and Service
Troubleshooting
The air conditioner may be operating abnormally when:
Problem |
| Possible Causes |
| What To Do |
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Air conditioner does not start
■The air conditioner is unplugged.
■The fuse is blown/circuit breaker is tripped.
■Power failure.
•Make sure the air conditioner plug is pushed completely into the outlet.
•Check the house fuse/circuit breaker box and replace the fuse or reset the breaker.
•If power failure occurs, turn the mode control to Off.
When power is restored, wait 3 minutes to restart the air conditioner to prevent tripping of the compressor overload.
■ Airflow is restricted.• Make sure there are no curtains, blinds, or furniture blocking the front of the air conditioner.
Air conditioner does not cool as it should
■The air filter is dirty.
■The room may have been hot.
■Cold air is escaping.
■Cooling coils have iced up.
•Clean the filter at least every 2 weeks. See the care and Maintenance section.
•When the air conditioner is first turned on, you need to allow time for the room to cool down.
•Check for open furnace floor registers and cold air returns.
•See Air Conditioner Freezing Up below.
* You can refer to the Energy Star program in detail at www.energystar.gov.
28Room Air Conditioner