Amana ptac units can often be repaired if the issue is electrical.
Amana ptac heater not working.
After a few minutes the heater turns of but the inside fan keeps turning and normal cold not heated air comes out.
All lights turn on and low heat mode begins.
If the thermostat does not have continuity while the air conditioner is set to cooling replace the thermostat.
Ptac 2 amana pth123e35axxxab.
Check for wiring and piping errors in the connection between the indoor unit and outdoor unit.
As of about a month ago the heating module of this unit does not seem to be working it only blows cold air on heat regardless of the temperature settings.
If the compressor fails outside of the 5 year warranty period it is often better to replace the unit.
The manual reset process with clear any settings that you have changed and return everything back to the factory default.
Now if you want to test the heating coil just shut off the unit and unplug it from the wall.
Looking for a new ptac.
The unit operates but does not cool or does not heat.
Unhook those 2 cables for the heater and run an ohms test.
Amana packaged terminal air conditioner units are known for their reliability but as with any product things can go wrong.
Some thermostats may also control a heater and as a result will have three terminals.
To determine if the thermostat is defective set the air conditioner to cooling and then use a multimeter to test the thermostat for continuity.
It starts heating the inside fan turns the unit is set on 90.
Check for thermistor detection errors.
After a few minutes the heater starts again for a while and stops again it keeps doing that the room stays cold.
Some thermostats may also control a heater and as a result will have three terminals.
I have an amana ptac in my shop model pth153b50am.
If anything is not working you will now know which part is bad.
If the thermostat does not have continuity while the air conditioner is set to cooling replace the thermostat.
To determine if the thermostat is defective set the air conditioner to cooling and then use a multimeter to test the thermostat for continuity.
Test is now complete.