MCZ Face - Manual (Page 53)

PELLET STOVES Chapter 8
INSTALLATION AND USE MANUAL page
53
Problems/Causes/Solutions Technical service - Rights reserved MCZ GROUP S.p.A. - Reproduction prohibited
8. 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.
(ALARM)  Pellet hopper empty.
 Pellets not being fed in.
 Intervention of pellet temperature sensor.
 Timer active
 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.
 Check if the timer setting is active
 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.
 Re-run lighting cycle.
 Wait for automatic restart
 Clean smoke duct.
 Check and replace sensors as
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.
 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.