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5.11.
Operation faults and repairing procedures
No Operation fault
Cause
Method of repairing
Insufficient heat
capacity
of the
burner
Adjustment of operating parameters
is required –
this should be
performed by authorized technician
Low set-point
temperature of the
boiler’s operating
thermostat
It is necessary to increase the set-
point of the boiler’s operating
thermostat (up to 90
o
C)
1.
In case that the
burner is
installed on a
hot water boiler
and there is low
temperatures in
the heat energy
supplied rooms Low set-point
temperature of the
remote room
thermostat (if
connected)
It is necessary to increase the set-
point of the room thermostat
High set-point
temperature of the
boiler’s operating
thermostat
It is necessary to decrease the set-
point of the boiler’s operating
thermostat (
it is recommended to
keep it above 60
o
C
)
2.
In case that the
burner is
installed on a
hot water boiler
and there is high
temperatures in
the heat energy
supplied rooms
High set-point
temperature of the
remote room
thermostat (if
connected)
It is necessary to decrease the set-
point of the room thermostat
3.
The burner is
active, but no
combustion
process
“START” signal is
not available
It is necessary to check the status of
the “START” signal of burner :
check control module of the heat
consumer unit
4.
Difficult fuel
ignition
Low quality fuel
It is necessary to replace the fuel,
most probably due to its high
moisture content, which could be
above the required value for
nominal operation of the burner
5.
The ignition
process is
accompanied
with improper
noise
Insufficient
draught of the
chimney
It is required to check the condition
of the flue stack, as well as the
heating appliance – it is
recommended to stop the burner and
clean the ash deposits thoroughly. In
some situation adjustment of the
operating parameters is requires as
well –
this should be performed by
authorized technician
;
