DOMUSA BioClass iC DX, Инструкция по установке и эксплуатации, Страница: 73 / 76

73 BIOCLASS iC DX
Code Alarm Description
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 CVS Suction
System .
Communication failure between boiler and CVS Suction
System . The kit will lock out. When the communication is
restored CVS Suction System will be unlocked.
If this alarm occurs repeatedly contact the nearest official
technical assistance service.
E-27
CVS Suction System blockage.
If the level sensor continues to detect no fuel after 8
consecutive cycles,
CVS Suction System will lock out.
To unlock it press RESET button.
If this alarm occurs repeatedly contact the nearest official
technical assistance service.
E-28 Overpressure of water.
When the boiler water pressure exceeds 2.5 bar, this alarm is
displayed on the screen to warn of an excess of pressure in the
installation.
To restore the normal functioning of the boiler it is
recommended to drain the installation again up to 1 - 1.5 bar
If this alarm occurs repeatedly contact the nearest official
technical assistance service.
E-29
Fuel level sensor error.
Fuel level sensor is damaged or disconnected.
Contact your nearest official technical assistance service to have
it replaced.
E-30
Underfloor temperature sensor open circuit,
Sr1 .
Underfloor temperature sensor is damaged or disconnected.
Contact your nearest official technical assistance service to have
it replaced.
E-31
Underfloor temperature sensor short-circuited,
Sr1 .
E-32
Underfloor temperature sensor open circuit,
Sr2 .
Underfloor temperature sensor is damaged or disconnected.
Contact your nearest official technical assistance service to have
it replaced.
E-33
Underfloor temperature sensor short-circuited,
Sr2 .
E-34
Outdoor temperature sensor open circuit,
Sext .
Outdoor temperature sensor is damaged or disconnected.
Contact your nearest official technical assistance service to have
it replaced.
E-35
Outdoor temperature sensor short-circuited,
Sext .