27
Self-Diagnosis
Error Code
Problems
Self-diagnose
E003
Flame failure
Check if gas valve is open and switch the boiler off then on.
E004
False flame
Check if gas valve is open and Reset the boiler
E012
Misfire
E016
Heat exchanger overheated
Please switch off the boiler for about 30 min before restarting.
E046
Heat exchanger overheat detector
malfunction
E049
Heating circuit line malfunction
Please reset the boiler
E056
Gas Valve malfunction
E109
fan malfunction
E110
Exhaust gas pipe blockage
Please check if there are any problems (dents, blockage, etc.)
on the exhaust pipe, reset the boiler
E127
Air pressure sensor malfunction
E157
Air pressure sensor connecting hose
malfunction
E205
Heating supply temperature sensor
malfunction
Please reset the boiler
E213
Heating flow switch malfunction
(system for Closing to atmosphere)
Recharge heating water according to ‘Water recharging
method’ in the user manual, then reset the boiler
E250
Pipe leakage
Please check the leakage in the pipes (Boiler heating pipes,
distributor etc.), then reset the boiler
E255
Frozen pipe
Please melt frozen water in the heating pipe while boiler is
switched off. and then Reset the boiler
Summary of Contents for NR-35D
Page 39: ...9 Press the Confirm button after Entering all of the User s Information 39...
Page 45: ...45 9 Press the Confirm button after Entering all of the User s Information...
Page 47: ...47 Power ON Power OFF Tap power icon to switch on off Switching On Off Room controller...
Page 48: ...48 1 Select heating mode you want 2 Adjust the temperature Heating...
Page 56: ...56 3 Complete settings by tapping the save icon...
Page 74: ...MEMO 74...
Page 75: ...MEMO 75...
