Samsung MH035FMEA - 4. Troubleshooting; 4-1 Display Error and Check Method

Samsung Electronics 4-1
4. Troubleshooting
4-1 Display Error and Check Method
4-1-1  Indoor unit
Communication error (unable to receive data) Communication cable connection
Communication error (outdoor cannot communicate) Another indoor unit or indoor PCB
Indoor unit room temperature sensor error (Open/Short) Room temperature sensor, indoor PCB
Indoor unit heat exchanger in temperature sensor error
Heat exchanger in sensor, indoor PCB
(Open/Short)
Indoor unit heat exchanger out temperature sensor error
Heat exchanger out sensor, indoor PCB
(Open/Short)
Indoor unit heat exchanger in temperature sensor detached Heat exchanger in sensor
Indoor unit heat exchanger out temperature sensor detached Heat exchanger out sensor
Indoor unit heat exchanger in & out temperature sensor
Heat exchanger in & out sensor
detached
Indoor unit float switch second detection -
Indoor unit fan motor malfunction Fan motor and cable
More than 2 indoor units cool and heat simultaneously Another indoor unit operation mode
EEPROM error Indoor PCB
Option code setting error Option code
Cable miss-wiring Cable connection (Indoor & Outdoor unit)
MPI error malfunction MPI
The number of indoor unit mismatched
Cable connection (another indoor unit &
outdoor unit), SW01(outdoor)
Compressor discharge sensor error(Short/Open) Outdoor unit
Outdoor unit error Outdoor unit (Error code)
Main checking Point / Remark
Display
Explanation
MH FVEA/MH FBEA/MH FAEA