PELLET STOVES Chapter 6
INSTALLATION AND USE MANUAL
page 62
Problems/ causes/ solutions Technical service - Rights reserved MCZ Group S.p.A. - Reproduction prohibited
9. PROBLEMS / CAUSES / SOLUTIONS
ATTENTION:
All repairs must be carried out exclusively by
a specialised technician, with the stove
completely cold and the electric plug pulled
out.
PROBLEM POSSIBLE CAUSES REMEDY
Pellets not being fed
into the combustion
chamber.
Pellet hopper empty.
Feeder screw blocked by sawdust.
Reduction motor defective.
Defective electronic board.
Refill pellet hopper.
Empty the hopper and manually free the
feeder screw of sawdust.
Replace reduction motor.
Replace electronic board.
The fire goes out or the
stove stops
automatically.
Pellet hopper empty.
Pellets not being fed in.
Intervention of pellet temperature sensor.
Door not closed properly or gaskets
worn.
Unsuitable pellets.
Low pellet feed rate.
Combustion chamber dirty.
Smoke outlet obstructed.
Smoke extraction motor failed.
Refill pellet hopper.
See previous problem..
Let the stove cool down completely, reset
the thermostat till lockout ceases, relight
stove; if problem persists, contact
technical assistance.
Close the door
or replace the gaskets
with original spare parts.
Change to a type of pellet recommended
by the manufacturer.
Have the fuel feed rate checked by
technical service.
Clean the combustion chamber, following
instructions in the manual.
Clean the smoke duct.
Check the motor and replace if
necessary.
The stove runs for a
few minutes and then
goes out.
Lighting cycle not completed.
Temporary failure of electricity supply.
Smoke duct obstructed.
Temperature sensors defective or broken.
Sparkplug failure.
Re-run lighting cycle.
See previous instruction.
Clean smoke duct.
Check and replace sensors as
necessary.
Check the plug and replace if
necessary.
Pellets build up in
grate, door glass gets
dirty and flame is weak.
Insufficient combustion air.
Pellets damp or unsuitable.
Smoke extractor motor broken.
Check that the room air intake is present
and free.
Check that the combustion air filter on the
pipe Ø 5 cm for air inlet is not obstructed.
Clean the grate and check that all the
airways are clear.
Carry out a general cleaning of the
combustion chamber and the smoke duct.
Check the state of the door gaskets.
Change the type of pellet.
Check the motor and replace if
necessary.
