55
warmhaus.com
Error Code
Description of the Error
Malfunction
Probable Cause
Solution(s)
E 08
Flame circuit failure
False flame signal from
combustion or electrode
Aging or rust on the
electrode
Electrode position
Cabling disconnections
Water blockage on syphon
Electronic board
1-) Call for authorized service
2-) Check any problems on the ionization electrode, (like
condensation, rust etc.), and control positioning of the electrode, if
electrode position wrong calibrate electrode
3-) Check for condensation on the cabling AND/OR on board
4-) Check earth connection between board and electrode
5-) Check electrode cabling between board and electrode 6-) Check
syphoned against ??? water blockage
7-) Perform Auto calibration - if fault persists replace board, but
use original service key from the board dismantled to keep original
parameters and calibration points. perform calibration Attention: ???
Missing text??
E 09
No water circulation in the
system
Boiler does not work
E09 error code flashing on
the screen
Lack of water on the
system
Pump blockage
Pump failure
Pump harness
Installation blockage
1-) RESET boiler and check if problem resolved
2-) Check boiler central heating valves are open if they are closed
open all valves
3-) Check all radiator valves are open if they are closed open of the
valves— a minimum 3 radiators must be open
4-) RESET boiler and check if ok
6-) Check Pump operation to check if the pump circulation through
the heat exchanger is sufficient
7-) Check intermittent contacts on harness carefully, check pump and
PWM cable, pump main supply connector and pump main connector,
measure voltage from connectors
8-) Check if there is air in the heat exchanger or system, remove air
and activate Deareation mode
9-) Check heat exchanger water path
10-) Reset & restart boiler
E 10
Central heating
temperature RETURN
sensor faulty
Boiler does not work
E10 error code flashing on
the screen
Central heating RETURN
temperature sensor faulty
1-) Call for authorized service
2-) Check intermittent contacts or open contacts on harness carefully
3-) Check RETURN Central heating temperature sensor resistance
according to Section 2.28 if it’s out of tolerance replace NTC
4-) Check cabling and connectors between RETURN NTC and board
5-) Reset & restart boiler
E 11
Gas valve modulator
disconnected
Boiler does not work
E11 error code flashing on
the screen
Gas valve harness
1-) Call for authorized service
2-) Check gas valve cabling between board and gas valve
E 12
DHW temperature Probe,
in storage tank mode, fault
Boiler does not work
E12 error code flashing on
the screen
Domestic heating water
temperature sensor in
storage tank faulty
1-) Check intermittent contacts or open contacts on harness carefully
2-) Check Domestic heating (hot?) water temperature sensor
resistance
3-) Check cabling and connectors between NTC and board
4-) Reset & restart boiler
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 at first
2-) Check Pump operation if the pump circuation through the heat
exchanger is enough
3-) Check intermittent contacts on harness carefully specially Pump
and PWM cable
4-) Check if there is air on the heat exchanger, remove air
5-) Check heat exchanger water path againts clogging
6-) Installation water path againts clogging
7-) Reset & Restart boiler
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-) Call for authorised service at first
2-) Check intermittent contacts or open contacts on harness carefully
3-) Check FLUE temperature sensor ressistance if its out of tolerance
replace NTC
3-) Check cabeling and connectors between FLUE NTC and board
4-) Reset & Restart boiler
E 15
Fan failure (feedback/
supply)
Boiler does not work, E15
error code flashing on the
screen
> Fan harness
1-) Call for authorised service at first
2-) Check intermittent contacts or open contacts on harness carefully
on fan main supply, if main supply not connected then fan will not
operate and boiler will not ignite
3-) Check intermittent contacts or open contacts on harness carefully
on fan PWM connection, if PWM connection not connected then fan
will work at %100 capacity
4-) Reset & Restart boiler
E 16
Central heating
temperature RETURN
sensor faulty
Boiler does not work, E10
error code flashing on the
screen
> Central heating RETURN
temperature sensor faulty
1-) Call for authorised service at first
2-) Check intermittent contacts or open contacts on harness carefully
3-) Check RETURN Central heating temperature sensor ressistance if
its out of tolerance replace NTC
4-) Check cabeling and connectors between RETURN NTC and board
5-) Reset & Restart boiler
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-) Call for authorised service at first
2-) Check CH temperature probe ressistance (double CH NTC probe
is used as high temperature limit device) if its out of tolerance replace
double NTC
3-) Check cabeling and connectors between double NTC and board
4-) Reset & Restart boiler
Содержание EWA 20
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