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Samsung Heat pump fault codes

19 codes from the Samsung manual for the Heat pump heat pump. Pick one for what it means, the likely causes and where to start.

CodeWhat it means
E108Setting address duplicate error
E201CONTROL KIT / outdoor UNIT communication error (matching error)
E202CONTROL KIT / outdoor UNIT communication error
E203Communication error between INVERTER and MAIN MICOM (6 min)
E205Communication error between outdoor unit inv micom - fan motor micom
E443No startup due to low pressure
E458Outdoor unit fan error
E507Comp down due to high pressure or high pressure switch open
E563INDOOR UNIT mixed install error
E904Water tank sensor short/open
E906Outdoor EVA in sensor error
E907Pipe rupture protection error
E910Water temperature sensor detached
E911Minimum water flow rate not met
E912Flow switch close error
E913Flow switch error detected six times (re-operation impossible)
E914Incorrect thermostat connection
E915DC fan non-operating
E916Mixing sensor short/open