Troubleshooting Tips - Samsung Control Unit User Manual

TRoUbLESHooTING TIPS

If the unit has some problem to work properly, error codes will be displayed on the wired remote
controller.
The following table describes the explanation of the error codes.
Thermistor
• Check its resistance. 10kohm @ 24°C(control kit), 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
EVA inlet
Tr1 Tw2
E122
Ref' In
Ref' out
E123
Outdoor
Unit
RC120MHXGA_IB_E_34412A(1).indd 47
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
PHE Outlet thermistor SHORT or OPEN
Water outlet (Back up Heater) thermistor SHORT or OPEN
Water TANK thermistor SHORT or OPEN
Water Outlet
E902
PHE
Water inlet
Tw1
E901
Explanation
Wired remote controller
thermistor
E654
E653
Water tank
thermistor
E904
Appendix _47
2012-02-08 오후 2:35:53