Ariterm KMP Uno - Troubleshooting and Repair

PELLET BOILER UNO
ARITERM SWEDEN AB Installation Instructions - 2008.05.21 - 19/28
The burner stops, red
lamp is illuminated
• Pellethopperempty.
• Pellethaveformedavalveat
feeder screw inlet.
• Pelletfeederblockedby
foreign object.
• Burnerlledwithpelletsin
the inner combustion area.
Fill pellets...
Shake hopper to get pellets flowing
down. Bottom of hopper must be
inclined at least 45°
Knockhardonfeedertube.Ifthis
doesn’t help, remove and drain
feeder. If necessary, dismantle
feeder (se section Dismantling the
screw feeder)
1. Clear out all pellets and restart.
2. In case of starting failure:
check ignition element by
starting with feeder discon-
nected and stoker removed
from boiler (yellow cover on).
Normally heating element will
glow 1 minute after finished start
dose. If no glow, first check all
wires and connections, then the
glow coil (120 - 145 Ohms).
If alright, change the ignition
controller.
Burner doesn't ignite,
remaining pellets in
stoker not scorched.
•Faultyignitionelement.
See under Replacement of ignition
element.
Burner stops now and
then without apparent
cause
• Incorrectsettings,ortolargeor
fluctuating chimney draught,
or faulty or incorrect pellets
feeder system.
Contact authorized dealer.
Burner ignites
but stops.
• Tolargestartdose,orfeeding
to much in full power mode.
• Tomuchashesinthe
stoker.
See chapter Setting air and fuel
levels.
Check the automatic ash removal.
Burner has stopped,
no red light
• Burnerhasbeenoverheated.
Clean out ashes from burner and
boiler.
Reset cut-out thermostat on the
feeding shaft.
Troubleshooting and repair
Fault Cause What to do Fault Cause What to do