20
3
ERROR CODE : EW01
DISPLAY
DESCRIPTION
BOILER LEVEL ERROR
icon is flashing in
red color and buzzer is beeping.
◆ Water level of the boiler may not
enough.
Cause &
Remedy
1) Dirty water filter.
→ Check or replace the water filter.
2) Malfunction of the water pump. → Check or replace the water pump.
3) Malfunction of the water probe
sensors.
→ Clean or Replace the all water
probe sensors of the boiler.
4
ERROR CODE : EW02
DISPLAY
DESCRIPTION
BOILER LEVEL ERROR
icon is flashing in
red color and buzzer is beeping.
◆ Malfunction of the water probe sensors.
Cause &
Remedy
1) Malfunction of the water
probe sensors.
→ Clean or Replace the all water probe
sensors of the boiler.
5
ERROR CODE : EW03
DISPLAY
DESCRIPTION
BOILER LEVEL ERROR
icon is flashing in
red color and buzzer is beeping.
◆ Pressure increase by water oversupply.
Cause &
Remedy
1) Malfunction of the water
probe sensors.
→ Clean or Replace the all water probe
sensors of the boiler.