15
discharging water from the sanitary relief valve or
from the radiators.
Er11
date and time error
Check the date and time
Er12
misfire error
With the equipment off, check the condition of the
resistance and clean the burner.
Er15
safety low voltage
Check voltage fluctuation
Er16
Screen:
motherboard
connection error
Check the screen and the cable between the
screen and the control board.
Er44
Open door
Close the door and check the door sensor.
