Q:

How do you fix an air conditioner drainage problem?

A:

Quick Answer

To fix an air conditioner with a drainage problem, first identify the cause of the problem and then either repair the faulty parts or the assemblies that have been affected by the issue. Common problems include leakage, overflow, a dry condensate trap, mold growth and preventative shutdown.

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Full Answer

If your air conditioner is producing too much water leading to a drain leakage or overflow problem, it could be due to a blocked drain or a faulty overflow pan inside the fixture. If the overflow plan is missing or has its drain line plumbed to a clogged primary drain line, water leaks as a result. Replace the pan, and ensure it is correctly installed to resolve the issue.

In some cases, such as after a long period of non-operation, air conditioners' drain traps can dry out, allowing sewer gases to pass through the line. If your air conditioner's drain produces noxious odors, check the condensate drain trap to ensure that it has not dried out.

Since an air conditioner's drain system is typically moist, it can become a breeding ground for mold and bacteria. The primary symptoms of this problem are respiratory issues or allergic reactions to the air conditioner's air. When this occurs, have a professional mold remediator fix the problem.

Some air conditioners automatically shut down when leaks or drain problems develop. If your air conditioner has a drain problem and refuses to power on, a professional technician must inspect it to determine whether a preventative shutdown is in effect.

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