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Troubleshooting (Iris Plus & Little models)
SF (H3) No fire
(Trips when the thermocouple detects that the smoke temperature is
lower than a set value, interpreting such as the absence of flame)
The flame may be absent due to:
-
a lack of pellets
-
too many pellets have smothered the flame
-
the maximum temperature thermostat has tripped
(this is unusual as it would indicate an excessive smoke temperature)
AF (H4) No start
(Trips if no flame appears or the start temperature is not reached within a
maximum of 15 minutes).
Distinguish between the following two cases:
No flame has appeared
Check:
- position and cleaning of the combustion chamber
- that the combustion chamber receives combustion air
- that the heating element is working- room temperature
(firelighter is required if below 3°C) and humidity.
Try lighting with firelighter
Cleaning and Maintenance of your pellet fire (Iris Plus & Little models)
CAUTION!
•
NEVER LOOSEN THE ALLEN SCREWS INSIDE THE
FIREBOX: THE LOADER WILL FALL.
•
NEVER VACUUM-CLEAN HOT ASH, SINCE IT MAY
DAMAGE THE VACUUM CLEANER.
•
ONLY EMPTY THE HOPPER AND VACUUM-CLEAN
THE BOTTOM IF THE PELLET FIRE IS NOT IN USE,
AND IN ANY CASE EVERY 15 DAYS.
After each bag of fuel
Clean with a vacuum cleaner when the pellet fire is cold. To
protect your vacuum cleaner, we recommend always using
a vacuum pot connected to your vacuum cleaner, which are
available from your Metro Dealer. The whole process takes
only a few minutes a day.
-
Vacuum-clean the door, vacuum-clean the hearth and
vacuum-clean the space around the combustion chamber
where the ash falls (there is no extractable ash pan).
-
Remove the combustion chamber or clean it with a
scraper, and unblock any blocked holes on all sides.
-
Vacuum-clean the combustion chamber compartment,
clean touching edges and replace the combustion
chamber.
-
If necessary clean the glass with glass cleaner (when cold).
After a few months use dry air (PC keyboard type) to clean the
flow sensor in the combustion air intake pipe.
Important Information
A flame has appeared but AR is displayed after AF
Check:
- that the thermocouple is working correctly
- that the start temperature is set within the parameters
(H5) Power Failure stoppage
H5 error power restored after power failure, both fans will run
at full speed and display will flash H5. This is to ensure stove
is fully cooled, the fans will stop after approx 15 minutes.
Press O/l twice to restart. Check electrical connection and
voltage drops.
(H6) Thermocouple Fault
(Trips if the thermocouple is faulty or disconnected)
Check connection between the thermocouple and the circuit
board. Check operation during cold testing.
(H7) Over temp
(Shut down due to excessive smoke temperature)
Excessive smoke temperature may be caused by: type
of pellets, smoke extraction fault, blocked duct, incorrect
installation or gearmotor "drift".
•
REGULAR MAINTENANCE IS ESSENTIAL FOR
GOOD PELLET FIRE OPERATION.
•
BEFORE CARRYING OUT ANY MAINTENANCE,
DISCONNECT THE DEVICE FROM THE MAINS
POWER SUPPLY.
•
FAILURE TO CARRY OUT MAINTENANCE LEADS
TO FORFEITURE OF THE GUARANTEE.
Every season (by a qualified technician)
-
General internal and external cleaning.
-
Carefully clean the heat exchange pipes.
-
Carefully clean and de-scale combustion chamber and
corresponding compartment.
-
Clean fan and mechanically inspect play and fastenings.
-
Clean the vent system.
-
Clean smoke extractor fan compartment, clean flow sensor
and check thermocouple.
-
Clean, inspect and de-scale ignition heating element
compartment and change the heating element itself if
necessary.
-
Clean/check display-control panel.
-
Visually inspect electric cables, connections and power cord.
-
Clean pellet hopper and check auger-gearmotor assembly
play.
-
Check and change door seal if required.
-
Test auger loading, ignition, operation for ten minutes and
shutdown.
PAGE 15
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