Troubleshooting
Listed in the chart below are the most common problems consumers run into with their air conditioners. Please read through this chart before calling for service. It could save you the cost of a service call.
| PROBLEM |
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| CHECK IF | ||||
Unit | won’t | run. | l | Power |
| cord | is plugged | into a live | ||
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| circuit |
| with | proper | voltage. | |
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| l Fuse has blown or circuit breaker has | ||||||
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| tripped. Also, check if a | |||||
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| fuse has been used. |
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| l Fan Control is set to OFF. | ||||||
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| l Local power has failed. |
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Unit | blows | fuses or | l | fuse | being | used is of | ||||
trips | circuit | breaker. |
| correct | capacity. |
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| l An extension cord is being used. | ||||||
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| l Cooling circuit was turned off and on | ||||||
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| again | quickly. |
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Unit | turns | on | and | l | Filter | is dirty. |
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off, | OR does | not | l | Inside |
| evaporator | coils | and | ||
cool | room. |
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| outside | condenser | coils | are dirty. | ||
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| l There is excessive heat or moisture | ||||||
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| in room. |
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l Fan speed is too low.
l Thermostat setting is too low.
Normal operating sounds . . .
When your room air conditioner is operating normally, you will hear sounds such as:
l Droplets of water hitting the condenser, causing a “pinging” or “clicking” sound. Water droplets help to cool the condenser.
l Air movement from the fan, especially on high fan speed settings.
l Clicks from the cooling cycle.
Sounds also may be caused by house construc- tion - such as vibration of the unit due to wall construction or unsteady window mounting area.
WHAT TO DO
l Firmly plug power cord into electrical outlet. Check circuit voltage at fuse/circuit breaker box.
l Replace fuse with a
l Set Fan Control to another setting.
l Wait for power to be restored.
l Replace fuse with a
l Do not use an extension cord with this or any other appliance.
l Wait at least three minutes after turning cooling circuit off before trying to restart unit.
l Clean filter. (See page 13.) l Clean coils. (See page 14.)
l Use exhaust fans to reduce room heat, or set Exhaust Vent Control to CLOSED to reduce moisture.
l Set Fan Control to a higher setting.
l Set Thermostat Control to a colder setting
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