Samsung AE RXEDEG Series Installation Manual page 52

Error codes
Display
901 Water inlet (PHE) temperature sensor error(open/short)
902 Water outlet (PHE) temperature sensor error(open/short)
903 Water outlet (backup heater) temperature sensor error
904 DHW tank temperature sensor error
906 Refrigerant gas inlet (PHE) temperature sensor (open/short)
Low flow rate error
• in case of low flow rate in 30 sec during water pump signals is
ON(Starting)
911
• in case of low flow rate in 15 sec during water pump signals is ON(After
starting)
Normal flow rate error
912
• in case of normal flow rate in 10min during water pump signal is OFF
916 Mixing valve sensor error
Error that the set temperature for disinfection operation is not reached, or,
919
after reaching, the temperature fails to continue for the requested time
Explanation
ENGLISH-52
Error Source
Hydro Unit
Hydro Unit
Hydro Unit
Hydro Unit
Outdoor Unit
Hydro Unit
Hydro Unit
Hydro Unit
Hydro Unit