Samsung MH026FPEA Training Manual

Also see for MH026FKEA: User manual User manual Installation manual Service manual Service manual

91Samsung ElectronicsCommunication error (indoor unable to receive data) Communication cableconnectionCommunication error (outdoor unable to communicate) Indoor unitIndoor unit room temperature sensor error (Open/Short) Indoor unitIndoor unit heat exchanger in temperature sensor error (Open/Short) Indoor unitIndoor unit heat exchanger out temperature sensor error (Open/Short) Indoor unitIndoor unit sensor error - Evaporator pipe in sensor detached Indoor unitIndoor unit sensor error - Evaporator pipe out sensor detached Indoor unitIndoor unit heat exchanger in & out temperature sensor detached Indoor unitMore than 2 indoor units cool and heat simultaneously Indoor unit operationmodeThe number of indoor unit mismatched Communication wiringCommunication error (outdoor unable to receive data) Communication wiringCommunication error between two microcontroller on the outdoor PCB Outdoor unit PCBOutdoor temperature sensor error (Short/Open) Temperature sensor- Error level : over 4.9V(-50˚C) under 0.4V(93˚C)Condenser temperature sensor error (Short/Open) Temperature sensor- Error level : over 4.9V(-50˚C) under 0.4V(93˚C)Condenser temperature sensor detached Temperature sensorCompressor discharge sensor error (Short/Open)- Error check condition : outdoor temperature over -20˚C Temperature sensor- Error level : over 4.95V(-30˚C) under 0.5V(151˚C)Compressor discharge sensor detached Temperature sensorCompressor OLP sensor error (Short/Open)- Error check condition : outdoor temperature over -20˚C Temperature sensor- Error level : over 4.95V(-30˚C) under 0.5V(151˚C)Indoor unit heat exchanger freezing and compressor stop (cooling mode) Check pipe matchingalso(indoor-outdoor)Outdoor unit overload and compressor stop (protection control in heating mode) Check pipe matchingalso(indoor-outdoor)Outdoor unit high discharge temperature and compressor stop Check pipe matching(protection control in heating mode) also(indoor-outdoor)Main checking PointDisplay ExplanationThe error indicated on the PCB display of outdoor unitTroubleshooting