Troubleshooting
If the unit has some problem to work properly, some error codes will be displayed on the controller .
The following table described the explanation of error codes on the LCD display .
Thermistor
f
f
Check its resistance . 10kohm@25 °C (Control kit), 200kohm@25 °C (DHW Tank, Solar)
f
f
Check its location as shown at the diagram .
f
f
Check its contact status with pipe .
f
f
Final solution is to change parts
Display
Explanation
Wired remote controller thermistor SHORT or OPEN
Water Inlet thermistor SHORT or OPEN
PHE Outlet thermistor SHORT or OPEN
Water outlet (Back up Heater) temp sensor SHORT or OPEN (The Backup heater for using)
Water TANK thermistor SHORT or OPEN
Outdoor Eva Inlet Temp Sensor SHORT or OPEN
Mixing Valve thermistor SHORT or OPEN
Ref' In
Ref' Out
Water Outlet
E902
Tr1 Tw2
Tw1
Outdoor Unit
Water inlet
E901
EVA inlet
E906
Wired remote controller temp sensor
E653
Water tank temp sensor
E904
PHE
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EHS MONO Kit-EU_IM_05388A-00_EN.indd 34
2015-03-18 오전 11:53:52
