BOILER DISPLAY TABLES
35
Chapter 10
ALARMS
Display Reason Solution
CONDUIT ALARM
PELLET
Indicates overheating of the pellet
feed conduit.
In the case of pellet loading conduit overheating the boiler initially
intervenes by starting the “CONDUIT CLEANING” cycle. If this is
not su cient, after a period of about 10 minutes the boiler will block,
showing “
PELLET CONDUIT ALARM”” on the display.
During this alarm, do not:
Open the upper door
Open the lower door
Open the pellet tank lid
At this point re-attempt the ignition phase: if the alarm remains blocked
on the display not allowing any operation, it means that the conduit
is not cool enough. Wait for the complete cooling of the conduit and
repeat the ignition phase.
TRAPDOOR BLOCK
ALARM
Indicates a positioning error of the
burner cleaning trapdoor.
Switch o 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.
OXYGEN KO
KO ALARM
Error detected by the lambda probe
on lack of oxygen for combustion.
Lambda probe connection or power
supply problems.
Check that the pellet used is in compliance with the features described
in “THE FUEL” chapter.
Progressively reduce the pellet ow (see “PELLET ADJUST MENU”).
Switch o 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 during the working phase.
Close the door, switch o 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.
HIGH WATER TEMP.
ALARM WATER
Indicates excessive water
temperature.
Problems with water circulation.
Insu cient plant pressure.
Presence of air in the system.
Check the plant pressure.
Bleed the air from the plant.
Switch o 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 FLAME
ALARM
The pellet feed-box is empty.
The upper and lower doors are not
closed correctly.
Problems relative to the ign-plug.
Air intake pipe problems.
Problems on the fumes expulsion
pipe.
The combustion chamber is dirty.
Pellet feed calibration inadequate.
Dusty wood residue in proximity of
the rotary valve that prevents the
ow of pellets.
Check for the presence of pellets in the feed-box.
Check hermetic closure of the doors.
Check that the air vent and the fumes exhaust are not blocked or
unsuitable.
Check cleanliness of the combustion chamber.
Check the procedures described in the “C.H. FUNCTIONING CYCLE”
chapter.
Adjust pellet ow (see “PELLET ADJUST MENU”).
Empty the feed-box completely and remove the dusty residue using
the irons-scraper.
Switch o 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.
FUMES FAN
ALARM
The fumes motor is blocked.
Speed control probe problems
(encoder).
Fumes motor power supply
problems.
Switch o 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.
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