Depending on local codes most air conditioning units need to have some type of water safety switch.
Clogged condensate drain line symptoms.
It would be good to check this area of your hvac unit every month for signs of standing water.
Musty moldy smell near your indoor unit or in air from the registers vents standing water near the indoor unit water damage in areas near the indoor unit ac system is not cooling your home ac system shuts down or doesn t turn on.
Here are some symptoms that you may have if your a c condensate drain line is clogged.
Ac drain line clogged symptoms include.
4 signs your air conditioning drain line is blocked 1.
Even if you don t see dripping water check your a c regularly for signs of a clogged ac drain pipe.
Depending on your installation set up these may vary.
Issues with the condensate drain line of the unit can cause water to accumulate around the furnace or the evaporator unit.
If you find any water puddles check the unit daily to identify its cause.
Water flooding around the air handler unit dripping into the secondary pan.
Standing water is the most obvious sign there is something wrong with your air conditioner.
Similar to standing water if the condensate pan is full time and time again it could point to a problem.
This means the water isn t draining as it s supposed to and there s likely a clog.
Another common symptom is that the drip pan is often full or overflowing.