If the stoppage occurs within the drain line it will also catch the drain pan to overflow.
Trane ac drain pan.
Use a flashlight to inspect the drain pan located inside the air handler.
The drain pan below your interior ac unit collects condensation.
Shut off power to your ac.
The unit s evaporator coils are located here and directly underneath those coils is the drain pan.
Do this as a first step any time you work on your air conditioner as failing to do so could lead to electrocution.
A primary pan that is installed on the coil and an auxiliary pan that is either installed inside the unit below the primary pan or under the unit.
Clean out the drain pan as best you can.
Before removing the access panel and inspecting the overflow pan turn off power to the air conditioner.
This creates slow water flow and can cause water to back up into the drain pan and overflow.
A central air conditioner is normally mounted in a chamber of the furnace above the furnace blower and combustion chamber.
Here s how to replace an ac drain pan in five steps.
There are two types of drain pans.
How to replace an ac drain pan in 5 steps.
Drip pans also called condensate pans are placed under the air conditioner coils to catch any condensation that forms.
An electric pump is supposed to move this condensation to a nearby drainage pipe.
Check the opening to the condensate drain line for any obvious backups or debris.
Why is the drain pan for my air conditioner overflowing.
Contact your local trane comfort specialist if you.