Before removing the access panel and inspecting the overflow pan turn off power to the air conditioner.
Attic ac drip pan overflowing.
A few other potential causes of standing water in the ac pan include a frozen evaporator coil and improper ac system installation.
Check the opening to the condensate drain line for any obvious backups or debris.
Due to moist conditions algae and bacteria can easily clog a drainpipe.
In most cases a full drain pan means that you have a clogged drainpipe.
Allowing water to overflow in the drip pan may contribute to mold mildew and even rot.
Serious repair costs can arise from this issue if it s not corrected quickly.
This issue can also cause water damage or flooding.
Clean out the drain pan as best you can.
If you re still scratching your head trying to figure out what s causing the ac unit drip pan to overflow keep reading for some of the most common causes.
Serious ac damage can occur when this happens since it prevents the unit from performing optimally.
An overflowing drip pan could potentially damage other parts of your air conditioner.
If too much builds up a clog may occur.
Like drainage issues a frozen coil may result from lack of system maintenance including ac checks and tune ups and regular air filter changes.
Small amounts of water in the ac drip pan is perfectly normal.
As air passes over the evaporator coils in your air conditioner it cools down and loses some of its humidity.
Use a flashlight to inspect the drain pan located inside the air handler.
The drain pipe is clogged a clogged drain pipe is the most common cause of standing water in the drain pan.
If something is blocking water from flowing through the drainpipe it will back up into the drip pan.
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