38
EACH ALARM CONDITION CAUSES IMMEDIATE BOILER SHUTDOWN
To exit from an alarm condition, always press button "4" until the message "FINAL
CLEANING" appears.
You will also need to take additional steps, depending on the type of alarm generated
If you do not exit from the alarm condition within a given time (a few hours), the alarm will be sent
into boiler memory and the display will show the message "ALARM MEMORY". To exit from this
condition, press button "4" as per above.
AL 1 - Black-out
This alarm is activated when the boiler is disconnected from the mains.
What to do
Put the boiler in stand-by by pressing the off button for a few seconds.
AL 2 - Smoke sensor
This alarm signals breakage of the smoke sensor
What to do
•
Put the boiler in stand-by by pressing the off button for a few seconds (4).
•
Wait and make sure that the combustion of pellets left in the brazier has been completed.
•
If necessary, call a support centre to replace the sensor
AL 3 - Smoke temp
This alarm signals excessive smoke exhaust temperature (see safety devices)
What to do
•
Put the boiler in stand-by by pressing the off button for a few seconds (4).
•
Wait and make sure that the combustion of pellets left in the brazier has been completed.
•
If necessary, call a support centre to replace the sensor
AL 4 - Extract fault
This alarm indicates a failure to read the revs of the smoke expulsion motor by the control board.
It may have been activated due to motor fault or due to a lack of connection between the rev
reader (encoder) in the motor and the board.
What to do
Put the boiler in stand-by by pressing the off button for a few seconds.
Try switching the boiler back on.
Contact your support centre if the problem persists.
AL 5 – No start
This alarm signals an ignition failure. This alarm is activated when, during the start-up phase, a
maximum waiting time (about 20 minutes) is exceeded without the machine switching on
successfully. (
see ignition
)
AL 6 – No pellet
This alarm indicates a flame failure in the brazier during normal boiler operation. The main causes
are: no pellets in the tank or blocking of the pellet feed screw.
What to do
•
Put the boiler in stand-by by pressing the off button for a few seconds.
•
Empty the brazier of all unburned accumulated pellets.
•
In the event of pellet exhaustion in the tank, refuel the boiler and ignite it again. Do not insert
pellets until the boiler has cooled completely.
Pellet refilling must always be performed with
the boiler off
or with the boiler operating with the flame present.
•
In the case of a pellet feed screw block, empty the tank and remove any foreign bodies present
in the feed screw. Then refill with pellets and start the boiler back up
•
In the case of repeated feed screw blocks, call a support centre
Summary of Contents for Idro TERMOBOILER Mini Series
Page 10: ...10 2 5 Wiring diagram...
Page 43: ......
