Maintenance and Service
Common
Problems
and
Solutions
Troubleshooting Tips Save time and money!
Review the chart below first and you may not need to call for service.
Normal
Operation
•You may hear a pinging noise caused by water being picked up and thrown against the condenser on rainy days or when the humidity is high. This design feature helps remove moisture and improve efficiency.
•You may hear the thermostat click when the compressor cycles on and off.
•Water will collect in the base pan during high humidity or on rainy days. The water may overflow and drip from the outdoor side of the unit.
•The fan may run even when the compressor does not.
Troubleshooting
Problem | Possible Causes | What To Do |
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| ■ The air conditioner is | • Make sure the air conditioner plug is pushed |
| unplugged. | completely into the outlet. |
■The fuse is blown/circuit • Check the house fuse/circuit breaker box and replace
breaker is tripped. | the fuse or reset the breaker. |
■Power failure.• If power failure occurs, turn the mode control to OFF.
Air conditioner | When power is restored, wait 3 minutes to restart the | |
does not start | ||
air conditioner to prevent tripping of the compressor | ||
| ||
| overload. |
■The current interrupter • Press the RESET button located on the power cord
device is tripped.plug. If the RESET button will not stay engaged, discontinue use of the air conditioner and contact a qualified service technician.
| ■ Airflow is restricted. | • Make sure there are no curtains, blinds, or furniture |
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| blocking the front of the air conditioner. |
| ■ TEMP Control set too | • Set the TEMP control to a lower number. |
| higher number. |
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Air conditioner | ■ The air filter is dirty. | • Clean the filter at least every 2 weeks. |
| See the operating instructions section. | |
does not cool as it |
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should | ■ The room may have been | • When the air conditioner is first turned on, |
| hot. | you need to allow time for the room to cool down. |
■Cold air is escaping. • Check for open furnace floor registers and cold air returns.
•Set the air conditioner's vent to the closed position.
■Cooling coils have iced up. • See Air Conditioner Freezing Up below.
■Ice blocks the air flow and • Set the mode control at High Fan or High Cool with
Air conditioner | stops the air conditioner | the high temperature. |
freezing up | from cooling the room. |
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