SOURCE: new install. 40 seconds on. 20 seconds off.
Its normal that the air coming out is warm cause you set it to heat mode. Check your setting temperature, it is normal for the unit to shutdown when it will attain the setting temperature and operate when the temperature is lower than the setting temperature(heat mode).
SOURCE: Amana PTAC PTC093A35AA won't blow heat
The reset button is located behing a panel on the front of the unit that is labeled Heat Reset. If that label is gone then look around, it is a small hole, small enough for a paper clip to fit through.
That being said, I have 137 of these units in one of my hotels and have not had a single one needing to be reset. You probably are going to need a new control board kit. These can be purchased from Amana. They are $130. Make sure that you have pulled the heater coil out and inspected it first. Also, there was a recall years ago where Amana was supposed to contact and send out new voltage switches. These are the round black things that the Brown heater wires connect to on the upper and lower side of the heating coil. You should also try to replace those if you find the coil in good condition. I have had those resolve heating issues. Most of the heating issues were a result of a bad relay on the control board though.
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SOURCE: Why does a GE Zoneline PTAC short cycle on heat
Possible that the thermostat can be fault as it seems to read into the heat developed with a wrong sensing thereby shutting OFF the unit.
The second possibility can be the trip off working due to a HIGH current drain when the heating is ON. Remove panel and make sure that the thermostat connections are tight to the panel board. Also the main plug, the main line to the heaters and the control panels are tight and have no SPARKED junctions and connectors.
Once the connections are reset , plug back the unit to confirm if these were faulty joints. If not check the thermostat.
SOURCE: we have sanyo ptac hvac units, looking for parts
I need some control board and some limit switch for PTAC SANYO M# STW1223C2. And also I need two thermostat for FREDRICK PTAC with two speed fan. Please.
dont know what model number it is but sounds like a bad control board, or a bad switch If you give the model# and serial# ill be glad to help you more :)
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