Things You'll Need:
- screwdriver
- wire stripper
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Step 1
Clean the filter at least once a month during the summer. Dirty filters make the unit work harder and wear out faster.
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Step 2
Clean the evaporator and condenser coils at least once a month during the summer. Dirty coils make the unit work harder and wear out faster.
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Step 3
Examine the power cord for kinks or exposed wires. Replace the cord if necessary.
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Step 4
Check the switch for burns or scorch marks. Replace the switch if necessary.
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Step 5
Call a professional if the switch or power cord doesn’t seem to be the problem.















Comments
diver8718 said
on 7/5/2008 how to diagnose small window a/c starts slow rpm fan won't get up to speed.when switch to just fan or a/c does the same? start capacitor / motor ? how to check