Amana Heat Pumps PMH124

Remove the two mounting screws from control board cover

Tilt control panel out and disconnect ribbon connector from control board

Remove the two screws securing the top screen to the evaporator assembly

Remove screws on mid partition panel and shift out of the way

Remove the two screws securing the heater assembly to the evaporator

Remove Chassis from wall sleeve

Remove P clamp securing vent door control cable to center partition and disconnect cable from vent door

Remove vent door by opening door and pulling hinge tabs out of slots in center partition

Remove the door by pulling hinge tabs out away from the center partition

Ensure power is off before starting

Remove the thermistor leads from the circuit board

Check the thermistor for continuity

Does the thermistor meet the resistance values as per the chart?

Replace thermistor if it does not meet the resistance values

Disconnect all power sources before servicing or installing the unit

Verify multiple power sources are not present

Measure the voltage across terminals L1 and L2 of the outlet

Is there a voltage reading across terminals L1 and L2?

Identify potential issues if no voltage reading is present

Describe the repair actions taken

Remove the two mounting screws from the control board cover

Tilt the control panel out and disconnect ribbon connector from control board

Disconnect all wiring to the control board

Label the wires to ensure proper reassembly

Thermistor and Control Board Removal