BOILER DISPLAY TABLES
36
Chapter 10
ELEV. FUMES
ALARM
Combustion chamber dirty.
Excessive pellet feed.
Gas probe reading/calibration error.
Fumes exhaust problem.
Air intake problem.
Clean the combustion chamber taking care to scrape the walls using
the scraper irons.
If the pellets used have a greater eating power with respect to that
declared and used by the company, reduce the fl ow of pellets (see
“
PELLET ADJUSTMENT MENU
”).
Check the presence of an air vent that respects the features stated in
the installer manual.
Switch off the machine, wait for complete cooling and repeat the
ignition cycle.
If the problem persists, the restoration operations must be carried
out by an authorised technician.
GAS PROBE KO
ALARM
The fumes probe is broken.
The fumes probe is disconnected
from the board.
Switch off the machine, wait for complete cooling and repeat the
ignition cycle.
If the problem persists, the restoration operations must be carried
out by an authorised technician.
PROBE KO
ALARM
Indicates a fault or incorrect
connection of one of the boiler
probes.
Switch off the machine, wait for complete cooling and repeat the
ignition cycle.
If the problem persists, the restoration operations must be carried
out by an authorised technician.
NO PELLET
ALARM
The pellet feed-box is empty.
The motor reducer does not feed
pellets.
Problems on the fumes expulsion
pipe.
Air intake pipe problems.
No pellet feed.
Dusty pellet residue in proximity of
the rotary valve that prevents fl ow.
Check for the presence of pellets in the feed-box.
Check that the air vent and the fumes exhaust are not inadequate.
Check that the combustion chamber is clean.
Adjust pellet fl ow (see “
PELLET ADJUST MENU
”).
Empty the feed-box completely and remove the dusty residue using
the irons-scraper.
Switch off the machine, wait for complete cooling and repeat the
ignition cycle.
If the problem persists, the restoration operations must be carried
out by an authorised technician.
LAMBDA BROKEN
Lambda probe broken, detected
during C.H. check-up.
Switch off the machine, wait for complete cooling and repeat the
ignition cycle.
If the problem persists, the restoration operations must be carried
out by an authorised technician.
THERMAL SECURITY
ALARM
Problem correlated to the bulb
thermostats inside the boiler (feed-
box 85°C and hot water 100°C).
Check the plant pressure: if vessel is closed, adjust system pressure to
1.2 bar.
Bleed the air from the plant.
Check the presence and the correct installation of the anti-condensate
thermostatic mixer valve.
Only when the cause has been identifi ed and with the C.H. completely
cold can the thermostats, positioned on the rear of the C.H. near t the
master switch, be re-armed, (loosen the black plastic cap and press the
button).
Switch off the machine, wait for complete cooling and repeat the
ignition cycle.
If the problem persists, the restoration operations must be carried
out by an authorised technician.
OPENED DOOR
ALARM
Indicates the opening of the lower
door for a time exceeding 60
seconds with C.H. on.
Close the lower door.
Switch off the machine, wait for complete cooling and repeat the
ignition cycle.
If the problem persists, the restoration operations must be carried
out by an authorised technician.
GEAR MOTOR
BLOCKED ALARM
Indicates that the pellet feed motor
reducer is blocked.
Switch off the machine, wait for complete cooling and repeat the
ignition cycle.
If the problem persists, the restoration operations must be carried
out by an authorised technician.
AIR VALVES TEST
ALARM
Indicates the incorrect positioning of
the air valves.
Switch off the machine, wait for complete cooling and repeat the
ignition cycle.
If the problem persists, the restoration operations must be carried
out by an authorised technician.