EN
76
BIOCLASS iC 66
Code
Alarm
Description
E-13
Insufficient air depression.
Check the correct running and connection of the air pressure
sensor and that the burner and ashtray are correctly fitted to
the boiler.
If this alarm occurs repeatedly contact the nearest official
technical assistance service.
E-14
Air depression fall down.
E-15
Insufficient air depression during
ignition pre-purge step.
E-18
Water pressure sensor fault.
The water pressure sensor is damaged or disconnected.
Contact your nearest official technical assistance service to
have it replaced.
E-19
Low water pressure.
The pressure of water in the installation drops below the
minimum pressure set at P.19 parameter of the·”
Technical
Menu” (by default 0,5 bar). The boiler will lock out. To unlock
it, fill the installation again up to 1 - 1.5 bar.
This alarm occurs when the water is drained from the
installation, due to either leakage or maintenance operations.
If this alarm occurs repeatedly contact the nearest official
technical assistance service.
E-20
Safety valve fault.
When the installation pressure exceeds 3.5 bar, this alarm is
displayed on the screen. The safety valve is damage or it
doesn’t work properly. The boiler will lock out.
The boiler will be unlocked, when the pressure drops below
2.5 bar again. Drain the installation up to 1 - 1.5 bar.
Contact your nearest official technical assistance service to
have it replaced.
E-21
Air pressure sensor fault.
The air pressure sensor is damaged or disconnected.
Contact your nearest official technical assistance service to
have it replaced.
E-22
Excessive air depression in the
combustion chamber.
The air depression measured in the combustion chamber
exceeds the limits of the air pressure sensor. The burner will
be locked until the depression is correct again.
If this alarm occurs repeatedly contact the nearest official
technical assistance service.
E-23
Excessive air overpressure in the
combustion chamber.
The air overpressure measured in the combustion chamber
exceeds the limits of the air pressure sensor. The burner will
be locked until the depression is correct again.
If this alarm occurs repeatedly contact the nearest official
technical assistance service.
E-25
Wrong calibration data.
The calibration data is wrong or it is set at OFF value.
If this alarm occurs repeatedly contact the nearest official
technical assistance service.
E-26
Communication error with the
Fuel
suction system
.
Communication failure between boiler and
Fuel suction
system
. The fuel suction system will lock out. When the
communication is restored the Fuel suction system will be
unlocked.
If this alarm occurs repeatedly contact the nearest official
technical assistance service.
