Amana Ptac Heater Not Working

If anything is not working you will now know which part is bad.

Amana ptac heater not working.

Amana packaged terminal air conditioner units are known for their reliability but as with any product things can go wrong. It starts heating the inside fan turns the unit is set on 90. 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. After a few minutes the heater turns of but the inside fan keeps turning and normal cold not heated air comes out.

Check for thermistor detection errors. To determine if the thermostat is defective set the air conditioner to cooling and then use a multimeter to test the thermostat for continuity. I have an amana ptac in my shop model pth153b50am. The unit operates but does not cool or does not heat.

Unhook those 2 cables for the heater and run an ohms test. Ptac 2 amana pth123e35axxxab. If you do have power then you have an issue with your heating coil. Some thermostats may also control a heater and as a result will have three terminals.

If the compressor fails outside of the 5 year warranty period it is often better to replace the unit. Some thermostats may also control a heater and as a result will have three terminals. Amana ptac units can often be repaired if the issue is electrical. Now if you want to test the heating coil just shut off the unit and unplug it from the wall.

Test is now complete. If the thermostat does not have continuity while the air conditioner is set to cooling replace the thermostat. If you are ever having trouble with an amana ptac a quick reset might be the easiest way to fix the problem. Check for wiring and piping errors in the connection between the indoor unit and outdoor unit.

After a few minutes the heater starts again for a while and stops again it keeps doing that the room stays cold. All lights turn on and low heat mode begins. Looking for a new ptac. To determine if the thermostat is defective set the air conditioner to cooling and then use a multimeter to test the thermostat for continuity.