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What causes an air condition unit to blow out hot air and make a clicking sound?
Wiki User
∙ 12y ago
With out putting gauges on the system,and just guessing by a clicking sound,sounds like the coil is frozen and the fan blade possibly hitting the ice build up.Theres no other contacting equipment to make noise.If the coil is frozen,then you are getting air from around the coil ,not through it.Thus hot air.Try putting unit in heat mode for 20 min and then back into cool mode .If clicking stops and still warm air then it is ice,just not all gone.Do another 20 min in heat mode and try cool once more.You should have cool air with increased air volume or you may have other issues.Such as dirty air filter(more important than you think to have a clean one) or low freon ,due to a leak.If it's low,theres a leak,no doubt about it.
Wiki User
∙ 12y ago
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