Samsung NH300WHXEA, NH200WHXES, NH160PHXEA, NH080PHXEA, NH200WHXEA Troubleshooting Tips, Thermistor

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TROUBLESHOOTING TIPS

If the unit has some problem to work properly, the LED on hydro unit will flash and some error codes will be displayed on the controller.

The following table described the explanation of error codes on the LCD display.

Thermistor

•Check its resistance. 10kohm @ 24°C(Hydro unit), 220kohm@24°C(DHW Tank, Solar)

•Check its location as shown at the diagram.

•Check its contact status with pipe.

•Final solution is to change parts.

Display

Explanation

EVA Inlet thermistor SHORT or OPEN

EVA Outlet thermistor SHORT or OPEN

Wired remote controller thermistor SHORT or OPEN

FRAM Read/Write Error(Wired remote controller data error)

Water Inlet thermistor SHORT or OPEN

Water Outlet thermistor SHORT or OPEN

PHE thermistor SHORT or OPEN

Water TANK thermistor SHORT or OPEN

ENGLISH

E903
PHE
thermistor
	Water
	outlet
Tw3	E902	Tw2	EVA inlet
			EVA inlet
		Tr1	E122
			Ref' In
		Tr2	Ref' Out
		Tr2	EVA outlet
		Tw1	E123
			E123
		Water inlet
		E901
Water Out	Water In
Water Out

Wired remote controller thermistor

E653

Water tank thermistor E904

Appendix _45

Image 45

Contents F I P D DB98-32035A2 Air to Water Heat Pump Hydro UnitQuick Heating by TDM Technology High Performance at Low TemperatureIntegrated Heating & Cooling System at a Lower Cost Running Costs-Reduction of Up to 33.3%Contents Important safety symbols and precautions Safety precautionsFor Using This may result in harm to humans, animals or plants Safety informationControl Panel OverviewSpace Operation Mode Checking the function of buttons and indicatorsDHW DHW Operation ModeDisplay Function Temperature AdjustmentHOT KEY Schedule Mode Status Display Function Status IndicatorA2A Optional Function IndicatorOperating basic function Available ModeSpace Heating Operation Space Cooling Operation Water LAW Domestic Water Heating Operation Urgent DHW Mode To cancel the DHW modeOperating hot key function To cancel the outing mode Outing ModeOperating advanced function Setting the TimeSet, Cancel/Delete button Setting the 7-DAYWEEKLY ScheduleViewing the 7-dayWeekly Schedule On / Off Display Deleting the 7-dayWeekly schedule Setting the Daily Schedule Viewing the Daily Schedule On / Off Display Operating the daily schedule Deleting the daily scheduleSetting the Field Setting Value of wired remote controller Field Setting ModeField Setting Value Field Setting ValueFSV TableDHW BUH/BSH Priority Space Cooling Remote Controller Setting Range CodeSpace Heating DHW HeatingWater Law for Heating Water Law & Room Thermostat CodeExternal Room Thermostat Field Option Water Law for CoolingDHW Heating Code Heat Pump Variables for Controlling DHW Tank DHW Application#3033 Disinfection Function Booster Heater Variables for Controlling DHW TankHeat Pump Variables for Space Heating Space Heating CodeExternal Backup Boiler for Space Heating Field Option Backup Heater Variables for Space HeatingOthers Code Outing Mode Hot Key of Wired Remote ControllerEconomic DHW Heating TDMTime-Division Multi VariablesDIP Switch Setting Temperature TableAppendix Available operation rangeMaintaining the Unit Maintenance activitiesThermistor Troubleshooting TipsTroubleshooting CommunicationE654 Water pump & Flow S/W E911E912 Disposal Requirements Memo 50Memo Memo