37
warmhaus.com
Error
Code
Description of the
Error
Malfunction
Probable Cause
Solution(s)
E 01
Intervention of
exhaust Thermostat
(Open Combustion
Chamber boiler )
Boiler does not
work, E01 error
code flashing on the
screen
> Flue Sensor faulty 1-) Reset & Restart boiler
2-) Call for authorised service
E 02
Low water pressure
in the system/
system parameter
wrongly setted
Boiler does not
work, E02 error
code flashing on the
screen
> Water pressure
in the boiler not
enough
1-) Fill the boiler 1,2-1,5 bar according to
manual
2-) Check if the system pressure 1,2 - 1,5
bar from the manometer located right &
bottom of the boiler
3-) Reset & Restart boiler
4-) If problem persist Call for authorised
service
E 03
High water pressure
in the system
Boiler does not
work, E03 error
code flashing on the
screen
> High Water
pressure in the
boiler higher
than >2,8 bar
1) First check the filling tap of the boiler
and make sure it is closed.
2) During boiler operation, the safety
valve may continue to drain water from
the drain line, so make sure that this line is
connected to a drain line.
3) If your plumbing line has a drain cock;
first turn the boiler off and let the pressure
drop to 1-1.5 bar, then switch it on again.
4) If the pressure increase occurs again,
call an authorized service.
E 04
Domestic heating
water temperature
sensor faulty
Boiler does not
work on DHW
mode but still work
on Central heating
mode, E04 error
code flashing on the
screen
> Domestic heating
water temperature
sensor faulty
1-) Call for authorised service
E 05
Central heating
FLOW temperature
sensor faulty
Boiler does not
work, E05 error
code flashing on the
screen
> Central heating
FLOW temperature
sensor faulty
1-) RESET boiler at first check if problem
removed
2-) Check other gas devices if they are
working
3-) Check main gas suppy valve is open
or not
4-) Check boiler gas suppy valve bellow
the boiler is open or not
5-) RESET boiler at first check if problem
removed
6-) Call for authorised service
E 06
No ignition
Boiler does not
work, E06 error
code flashing on the
screen
> Gas supply failure 1-) RESET boiler at first check if problem
removed
2-) Check boiler central heating valves are
open if they are closed open all
3-) Check all radiator valves are open if
they are closed open minimum 3 meters of
radiator must be open
4-) RESET boiler and check if problem
removed
5-) Call for authorised service
3.5. TROUBLESHOOTING
