Useful tips
Error sign in Room controller
When error sign appears in the display, exercise useful tips. If you still have trouble, call our service center.
When the boiler is not in use When the pump is not rotating
1. Turn off the power.
2. Close the gas shut-off valve.
But, leave the gas shut-off valve open in winter
to prevent the boiler from freezing.
Leave the boiler plugged in all the time.
If you have not used the boiler for a long period of
time, the pump may not rotate.
In the event of this, turn the inside groove clockwise
3 to 4 times with a screwdriver, and it will start
rotating.
System to prevent pump sticking
The system to prevent pump sticking operates for about 5 minutes on a daily basis
even when the boiler not in use.
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ERROR SIGN
TROUBLES
CHECK POINTS
Room controller’s temperature sensor failure
Room controller’s temperature
sensor
E0
E1
E2
E3
E4
E5
E6
E7
E8
EE
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