OIL CONDENSING BOILER
INSTALLATION AND USER MANUAL
INSTALLATION & USER MANUAL
www.krb.co.kr
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6. Troubleshooting
If any abnormality is identified in the boiler during operation, do not take
measures arbitrarily. Follow the procedure below.
The product flashes an error code on the room temperature controller display
corresponding to the cause of problem.
If an abnormal phenomenon persists, contact a nearby service center.
▶ Power failure
ㆍ Check that the power cord is connected.
ㆍ Check if the power fuse has been blown. The power fuse in at the ignition transformer.
ㆍ Test utility power supply with other electric/electronic devices.
If the utility power supply is OK but the boiler fails to run, call your nearest dealer or A/S
center.
▶ Power is ON, but the boiler fails to heat the room
•
Check that the boiler is in normal operation.
•
Boiler will not run if the setting temperature is lower than the actual room temperature.
•
If the boiler has been shut down for a long time, the hot water circulation pump may have
been seized. Try to rotate the shaft with screw driver or other tool.
•
If the boiler still fails to heat the room, call your nearest dealer or A/S center.
▶ If a figure flashes on the room temperature controller
01
•
This means flame detection system failed and ignition prohibited, or
ignited but immediately shut off for safety.
•
Check that the fuel valve is open and fuel feed is OK.
•
The fuel line may be blocked with air.
•
Check that the burner fan runs normally.
•
Check that the fuel pump runs normally.
•
If the problem persists, call your nearest dealer or A/S center for help.
02
•
The flame detector has been activated before the burner ignition
•
Check if the flame detector is separated from the burner.
03
•
The burner was ignited, but failed to produce normal flame.
•
Clean the flame detector sensor with clean cloth.
•
If the problem persists, call your nearest dealer or A/S center for help.
