Official Royal Sovereign portable air conditioner parts

Common replacement parts for Royal Sovereign portable air conditioners

• User interface control board. The user interface control board is a circuit board with selection buttons and display components, which is mounted on the control panel of the air conditioner. The user interface control board sends signals to the electronic control board to communicate the air conditioner’s settings.
• Wire harness. The wire harness is a collection of wires, cut to specific lengths, that connects the various components in the air conditioner. The ends of the wires typically have connection plugs or spades so that they attach to the correct components in the air conditioner.
• Thermistor. The thermistor is a temperature sensor in the air conditioner that sends information to the electronic control board.
• Caster wheel. The caster wheel attaches to the bottom of the cabinet and allows you to easily move the portable air conditioner.

Causes for evaporator fins icing up in a Whirlpool portable air conditioner.

The evaporator fins ice up if the compressor runs constantly for one of these reasons: a dirty air filter restricts air flow; the air conditioner is too small for the room; the temperature setting is too cold; a control is defective.

Clean or replace the air filter if it's dirty. Also clean the air inlet grille so air can circulate through the portable air conditioner easily.

Add an additional portable air conditioner to cool the space if the room is too large for the portable air conditioner that you're using.

Replace the electronic control board if it doesn't cycle the compressor on and off properly.