Error
Code
Error
Fault
Possible Cause
Solution(s)
E 87
Fault in electronic gas valve circuit
The boiler does not operate,
E87 error code blinks
> Interruption on cable
> Gas valve fault
1-) Restart the boiler by pushing RESET button.
2-) Call the authorized service if fault remains unsolved.
E 88
Fault in electronic gas valve circuit
The boiler does not operate,
E88 error code blinks
> Interruption on cable
> Gas valve fault
1-) Restart the boiler by pushing RESET button.
2-) Call the authorized service if fault remains unsolved.
E 89
Combustion feedback fault
he boiler does not operate, E89
error code blinks
> Wearing or corrosion of
electrode
> Mixing of flue gas with
fresh air
> Clogging in flue or false
pipe
> Electrode position
> Interruption on cable
> Burning calibration
> Electronic card
> Gas valve fault
1-) Restart the boiler by pushing RESET button.
2-) Call the authorized service if fault remains unsolved.
E 90
Failed to regulate combustion
The boiler does not operate,
E90 error code blinks
> Wearing or corrosion of
electrode
> Mixing of flue gas with
fresh air
> Clogging in the flue or
incorrect flue installation
> Electrode position
> Interruption on cable
> Burning calibration
> Electronic card
> Gas valve fault
1-) Call the authorized service first.
2-) Check for false flue OR flue gas clogging.
3-) Restart the boiler by pushing RESET button.
2-) Call Authorized service if the fault remains unsolved.
E 92
Air balancing activated
The boiler does not operate, E91
error code blinks
> Possible wind
> Wearing or corrosion of
electrode
> Mixing of flue gas with
fresh air
> Clogging in the flue or
incorrect flue installation
> Electrode position
> Burning calibration
> Minimum power setting
1-) Call the authorized service first.
2-) Check for false flue OR flue gas clogging.
3-) Restart the boiler by pushing RESET button.
2-) Call Authorized service if the fault remains unsolved.
E 93
Failed to regulate combustion
(temporary)
The boiler does not operate,
E93 error code blinks
> Wearing or corrosion of
electrode
> Mixing of flue gas with
fresh air
> Clogging in the flue or
incorrect flue installation
> Electrode position
> Burning calibration
> Gas valve fault
> Electronic board
1-) Call the authorized service first.
2-) Check for false flue OR flue gas clogging.
3-) Restart the boiler by pushing RESET button.
2-) Call Authorized service if the fault remains unsolved.
E 94
Possible low gas pressure or
exhaust recirculation
The boiler does not operate,
E94 error code blinks
> Gas Supply Pressure LOW
> Mixing of flue gas with
fresh air
> Clogging in the flue or
incorrect flue installation
> Wearing or corrosion of
electrode
> Electrode position
> Burning calibration
> Gas valve fault
> Electronic board
1-) Call the authorized service first
2-) Check for false flue OR flue gas clogging.
3-) Restart the boiler by pushing RESET button.
2-) Call Authorized service if the fault remains unsolved.
E 95
Intermittent ignition value
The boiler does not operate,
E95 error code blinks
> Electrode and earthing
equipment
> Wearing or corrosion of
electrode
> Electrode position
> Burning calibration
1-) Restart the boiler by pushing RESET button.
2-) Call the authorized service if fault remains unsolved.
E 96
Clogging of flue or fresh air intake
The boiler does not operate,
E96 error code blinks
> Clogging flue
> Clogging in fresh air
intake
1-) Call the authorized service first.
2-) Check for false flue OR flue gas clogging.
3-) Restart the boiler by pushing RESET button.
2-) Call Authorized service if the fault remains unsolved.
E 98
Software error, PCB start error fault
The boiler does not operate,
E98 error code blinks
> Boiler software fault
1-) Restart the boiler by pushing RESET button.
2-) Call the authorized service if fault remains unsolved.
E 99
General fault
The boiler does not operate,
E99 error code blinks
> Boiler electronic
equipment fault
1-) Restart the boiler by pushing RESET button.
2-) Call the authorized service if fault remains unsolved.
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