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PRACTIKA 28-33
USE AND INSTALLATION MANUAL
Chapter
11
page 57
Troubleshooting
Technical dept. - All rights reserved - Reproduction prohibited
No fuel in the burner
You can reset the burner operation
manually. Check whether the ignition
process needs to be prolonged -
this
adjustment must only be made by an
authorised technician.
The fuel is in the burner but
the latter is not on, or the
fuel has burned out and the
combustion process has died
out.
If the electric heater is not working or is
faulty, it needs to be replaced. If the
heater is working, then you need to
increase the ignition time for the initial fuel
mass -
this adjustment must only be made
by an authorised technician.
Operating
fault
or
malfunctioning of the burner
photocell
You need to check or replace the burner
photocell -
see the pellet burner instruction
manual.
The flame appears to be
"opaque" and smoke is
coming out of the chimney
flue
Poor quality pellets
It is advisable to replace the fuel, most
likely the humidity content exceeds that
required.
Incorrect adjustment of the
pellet
burner
operating
parameters
You need to perform the correct
adjustment of the pellet burner operating
parameters to achieve an efficient
combustion process -
the adjustment must
be made by an authorised technician.
7.
Unburned fuel present in
the boiler ash tray
Fuel combustion process
inefficient
You need to make the correct adjustment
of the burner operating parameters -
the
adjustment must be made by an
authorised technician.
9.
Water vapour condensation
on the surfaces of the heat
exchanger
Low temperature of the
water inlet flow
Check the adjustment of the heating
system. You need to adjust the set point
temperature, which controls the circulation
pump of the heating system. The
thermostat set point must be adjusted to a
value above 65°C.
10. Combustion
gases
are
released into the boiler
room after a certain period
of operation
The
cover
seals,
the
combustion chamber seal
and
possibly
the
seal
between the pellet burner
and the boiler are damaged
and need to be replaced.
You need to check and tighten the seals,
or replace them -
this procedure must be
performed by an authorised technician.
11. Heat warping of the pellet
burner
combustion
chamber
Overheating of the pellet
burner
You need to modify the pellet burner
operating parameters or replace it if
necessary.
12. Other faults not described
above
You need to call for an authorised
technician and have the boiler serviced if
necessary
Table 11.1.
Description of faults in the system consisting of the hot water pellet boiler and pellet burner;
causes and repair methods
