12
warmhaus.co.uk
2.5. TROUBLESHOOTING
Error
Code
Description of the Error
Malfunction
Probable Cause
Solution(s)
E 01
Intervention of exhaust
Thermostat
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
too low
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 LCD Screen
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 ( > 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 so make sure that it 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 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 & Restart the boiler
2) Call for authorised service if problem persists
E 06
No ignition
Boiler does not work, E06
error code flashing on the
screen
> Gas supply failure
1) Reset & Restart the boiler
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. Minimum
3 meters of radiator must be open
4) RESET boiler and check if problem is resolved.
5) Call for authorised service
E 07
Safety thermostat intervention Boiler does not work, E07 error
code flashing on the screen
> Lack of water in the system
> Pump blockage
> Pump failure
> Pump harness
> Installation blockage
1) RESET boiler check if problem is resolved
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. Minimum
3 meters of radiator must be open
4) RESET boiler and check if problem is resolved
5) Call for authorised service
E 08
Flame circuit failure
False flame signal from
combustion or electrode
> Condensate Syphon blocked
> Electronic board
1) Call for authorised service
E 09
No water circulation
in the system
Boiler does not work, E09
error code flashing on the
screen
> Lack of water in the system
> Pump blockage
> Pump failure
> Pump harness
> Installation blockage
1) RESET boiler at first check if problem is resolved.
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. Minimum
3 meters of radiator must be open
4) RESET boiler and check if problem is resolved
5) Call for authorised service
E 11
Gas valve modulator
disconnected
Boiler does not work, E11 error
code flashing on the screen
> Gas valve harness
1) Call for authorised service
2) Check gas valve between board and gas valve
E 13
Exhaust temperature probe
over-temperature alarm
Boiler does not work, E13 error
code flashing on the screen
> Over temperature flue gas
outlet
value > 105 C°
1) Call for authorised service
E 14
Exhaust ( FLUE )
temperature probe fault
Boiler does not work, E14 error
code flashing on the screen
> Central heating FLUE
temperature
sensor faulty
1) Reset & Restart boiler
2) Call for authorised service
E 15
Fan failure (feedback/supply)
Boiler does not work, E15 error
code flashing on the screen
> Fan harness
1) Reset & Restart boiler
2) Call for authorised service
E 16
Central heating temperature
RETURN sensor faulty
Boiler does not work, E16 error
code flashing on the screen
> Central heating RETURN
temperature sensor faulty
1) Reset & Restart boiler
2) Call for authorised service
E 17
Temperature difference
between FLOW and LIMIT NTC
(Double Heating Probe) faulty
FLOW and LIMIT sensor
(DOUBLE NTC) malfunction
> FLOW and LIMIT Sensor (
double NTC ) faulty
1) Reset & Restart boiler
2) Call for authorised service
E 19
Water flow meter input
reading
Lack of domestic heating
water on request
Wrong parameters settled on
TsP menu
1) Call for authorised service at first
2) Only authorised service must adjust TsP Parameter P01=0 with
defalut value
E 20
CH vertemperature,
Temperature Central Heating >
TSP 81 value °C
Boiler does not work, E81 error
code flashing on the screen
> Lack of water on the system
> Pump blockage
> Pump failure
> Pump harness
> Installation blockage
1) RESET boiler at first check if problem is resolved.
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. Minimum
3 meters of radiator must be open
4) RESET boiler and check if problem is resolve
5) Call for authorised service
