24
8.4
Error messages
Table 6 shows a list of the most common fault conditions of the boiler.
In case of displaying a different error message, please contact service.
Error
messages
If you see this symbol, it
is the fault. Press the
info button and read
further information.
Maintenance or
special operation
If you see this symbol, it
presents a service message or
a special operation. Press the
info button and read further
information.
Tab.
№
. 6
Error code
Description of error
Reason/Solution
10
Short-circuit/interruption of the outside
temperature sensor
•
Check the outside temperature sensor
•
Contact service
50
Short-circuit/interruption of the HW
sensor
•
Check the HW sensor
•
Contact service
110
The boiler is overheated, electronic
safety thermostat is off.
•
Let the device cool down and restart it by pressing the Reset
button
•
In case of recurrence of the error contact service
111
The pump is defective or thermostatic
valves are closed, there was the
initiation of the temperature sensor.
•
Open the thermostatic valves
•
In case of recurrence of the error contact service
119
There is and initiation of the water
pressure switch.
•
Check the water pressure, refill water is the pressure is low
128
Loss of flame during operation
•
Rerun the boiler by pressing the Reset button
•
In case of recurrence of the error contact service
133
Controlling and regulating control panel
is locked. Possible causes: lack of gas,
no ignition.
•
Rerun the boiler by pressing the Reset button
•
In case of recurrence of the error contact service
8.5
Faults
Fault
Reason
Solution
The boiler
does not
ignite
No voltage at the boiler
•
Check whether the power cord is plugged in and whether there
is voltage in the socket.
Insufficient or stopped gas supply
•
Check opening of the gas main supply and shut-off valve of the
boiler.
There is no requirement for heating and
HW
•
Check the settings of the operating mode
Incorrect Date and Time settings
•
Set Date and Time
The boiler is in summer mode
(switched off from the outside
temperature)
•
The boiler can be put into operation by switching the operating
mode for permanent comfort
Low water pressure
•
Refill water to the system
Room
temperature
of the room
does not
match
Time program of the heating does not
match the required one
•
Check and, if necessary, adjust setting of the day of the week,
time and date
•
Change of the time program of the heating
Set room temperature does not match
the required one
•
Check and, if necessary, adjust the room temperature, adjust
the parameter 720 Heating curve slope and Room influence
(parameter of the Service settings)
No HW
heating
HW heating is off
•
Check and, if necessary, turn on the hot water heating (see
Fig. no. 16 - Pos. A)
Comfort required temperature is too
low
•
Check and, if necessary, adjust the comfort required
temperature
Incorrect Date and Time settings
•
Check and, if necessary, adjust setting of the day of the week,
time and date
HW sensor has poor contact with the
heater housing
•
Check HW sensor tightening
Three-way valve does not switch
•
Check the connection and switching of the three-way valve.
Shutdown at
the fault
See Table. no. 6
•
See Table. no. 6
•
Contact service
