![]() Problem:The device is too noisy and vibrates violently Do not operate equipment at very low temperatures (below ° C) The capacity of the air conditioner is not suitable for the condition or size of the roomħ. There is a source of conducting heat in the room (burner, lamp, etc.), orthe room is crowdedĤ. Problem:The air conditioner works but it does not cool the roomĢ. Remedy:remove the plug and contact the service center Problem:Air conditioner switches are constantly off There is something blocking the suction vent on the back of the condenser ![]() Set temperature is very close to room temperatureĢ. Problem:The air conditioner only works for short periodsġ. Problem: the air conditioner does not work The user needs to take out the rubber stopper which is located at the bottom of the unit, allowing water to drain out. Friedrich AC Error Codes| TroubleshootingĮ1electrical sensor is short on both temperature and PCB.Į2Lack of power of temperature sensor copper tubes and PCB wires.Į4 The signal indicates complete or poor contact to the tank’s water tank.
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