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PROBLEM /POSSIBLE CAUSE / SOLUTION
PROBLEM
POSSIBLE CAUSE
SOLUTION
Nozzle failures
a)Nozzle is dirty. The formation of flame sparks and
smoke is observed. The formation of a complete flame
cone is observed.
b)Inner cone of nozzle is damaged.
c)Loose nozzle. Fuel leaks from nozzle and partially
burns in the bolier.
d)The thread engagement of the nozzle is not proper.
The flame is not formed just at the centre.
e)The nozzle is deformed.
f)Nozzle filter is dirty.
a)Clean
b)Replace
c)Tighten the nozzle
d)Remove and then refix the
nozzle. If the problem
persists, replace the nozzle.
e)Replace nozzle
f)Clean
Burner motor doesn’t
operate
a)Motor winding isolation is damaged.
b)Motor is not provided with the necessary power
supply voltage.*
c)Motor has failed due to overheating.
d)Motor cables are disconnected.
e)Connection between control unit and the motor is not
made.
f)A thermal switch is tripped.
a)Replace
b)Ensure supply of power
c)Eliminate the reasons for
overheating
d)Ensure proper cable
connections
e)Renew the cable line
f)Check
Burner emits an
undesirable odor
(soot or fuel)
a)Fuel leaks from pipes or tank
b)Dirty or defective nozzle
c)Insufficient combustion air supply
d)Poor chimney draught *
e)Accumulation of excessive soot in chimney*
f)Air ingress to the chimney*
g)Air leakage to then boiler*
h) Air leakage from the smoke duct*
i)Size of combustion chamber is not suitable.*
a)Eliminate the leakage
b)Clean/Replace
c)Increase the air supply
d)Clean /have it repaired
e)Have it cleaned
f)Have it repaired
g)Have it repaired by its
service unit
h)Have it repaired by its
service unit
i)Have it replaced by its
service unit
Fan troubles
a)Dirty fan blades
b)Fan is unbalanced
c)Fan operates noisily (friction to the casing)
d)Insufficient amount of suction and delivery air flow by
the fan, fan blades are deformed
e)Loose fan-motor connection, fan turns without
functioning
f)Wrong rotation of fan motor
a)Clean
b)Replace fan
c)Eliminate the friction or
replace
d)Replace the fan
e)Check the coupling
f)Correct
CAUTION: The operations marked with “*” may be performed by the user or have them performed
by an expert. Other operations shall only be performed by authorized service personnel. These
instructions must be followed, or risk to property or life may occur.
