20
warmhaus.com
Error
Code
Description of the
Error
Malfunction
Probable Cause
Solution(s)
E 94
Possible low gas
pressure or exhaust
recirculation
Boiler does not
work, E94 error
code flashing on
the screen
> Gas inlet pressure
LOW
> Recirculation of
exhaust gas into
fresh air
> Blockage in flue
or wrong flue
> Aging or rust on
the electrode
> Electrode position
> Combustion
calibration
> Gas valve failure
> Electronic board
1) Call for authorised service
E 95
Intermittent
combustion value
Boiler does not
work, E95 error
code flashing on
the screen
> Harness on
electrode and earth
> Aging or rust on
the electrode
> Electrode position
> Combustion
calibration
1) Call for authorised service
E 96
Flue or air suction
way blockage
Boiler does not
work, E96 error
code flashing on
the screen
> Blockage in flue
> Blockage in air
suction path
1) Call for authorised service
E 98
SW error, board
start-up error fault
Boiler does not
work, E98 error
code flashing on
the screen
> Boiler software
problem
1) Call for authorised service
E 99
Generic fault
Boiler does not
work, E99 error
code flashing on
the screen
> Boiler electronic
hardware problem
1) Reset & Restart boiler
2) Call for authorised service
(1) Call the Authorised Service if failure continues.
(2) 81 numbered failure corresponds any blocking in the exhaust gas pipe. In such case, you should consult the
authorised service technician before re-starting the boiler.
