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StB activateD<br />
Overheating, max. permissible<br />
boiler temperature (95 °C) was<br />
exceeded, safety temperature<br />
limiter<br />
(STB) was activated<br />
Power failure<br />
Failure heating circuit pump<br />
Radiator adjusted to low operation<br />
(possibly thermal valve)<br />
Air in the boiler /Heating system De-aerate system<br />
Correct defect, allow boiler to cool down, reset STB <strong>manual</strong>ly.<br />
Open customer, the heating installer should have a look at<br />
the heat customer if it occurs frequently<br />
Empty ash pan (in operating position StOve OFF)<br />
cLeaNiNg FaiLure Problems with the grate Pellets jammed<br />
CAUTION: if ash pan cannot be pulled out, it is likely that the<br />
grate is still open because of jammed pellets.<br />
Throw 3-4 pcs. of ‘Zündis’ (product which helps to light a<br />
fire) from above into the flue and set burner to ON position<br />
to burn off residues from the grate.<br />
Empty ash pan after remedy of fault (in operating position<br />
StOve OFF)<br />
OverHeatiNg aPPL. Warning signal overheating<br />
Excessive fuel<br />
high chimney draught<br />
Loading of fuel according to table Instruction <strong>manual</strong> stove<br />
Check chimney draught (chimney sweep, heating installer)<br />
FLaMe SeNSOr KS Flame sensor - short circuit Call service technician<br />
FLaMe SeNSOr uB Flame sensor - failure<br />
Fastening screws on terminal<br />
block loose<br />
Tighten screws on terminal block<br />
Cable defective Contact service centre<br />
Flame temperature sensor defective<br />
Contact service centre<br />
FLue gaS SeNSOr Ks Oven sensor – short circuit Call service technician<br />
FLue gaS SeNSOr uB oven sensor - failure Cause see flame sensor UB Solution see flame sensor UB<br />
F11<br />
PLug-iN KS<br />
ignition programm after power<br />
failure<br />
Discharge chute sensor short<br />
circuit<br />
power failure<br />
Call service technician<br />
PLug-iN uB Discharge chute sensor defective Call service technician<br />
FiLLiNg DOOr OPeN<br />
Heating door or damper /start-up<br />
flap open<br />
Close heating door or damper /start-up flap<br />
BOiLer SeNSOr KS * Boiler sensor - short circuit Call service technician<br />
BOiLer SeNOSr uB * Boiler sensor - failure Cause see flame sensor UB Solution see flame sensor UB<br />
OverHeatiNg BOiLer<br />
NO cONNectiON<br />
Overheating, the preset boiler<br />
temperature limit (90°C) was<br />
exceeded.<br />
No connection between operating<br />
panel and main circuit board.<br />
SPeciaL cLeaNiNg Service display – Special cleaning<br />
Cause see “Dust-caused”<br />
Once the boiler temperature has fallen by 3°C below the<br />
preset boiler temperature limit, the appliance resumes automatically<br />
normal operation, the error message disappears.<br />
Plugs disconnected from the<br />
connecting cablet<br />
Plug-in connections<br />
Damaged cable Replace connecting cable<br />
Damaged operating panel Replace operating panel<br />
Operating panel incorrectly<br />
mounted<br />
Check mounting of operating panel (too tightly clamped)<br />
Possible problem caused by<br />
buildup of deposits in the appliance<br />
Remove deposits from the appliance, in particular from the<br />
pellet burner block by means of the cleaning brush provided.<br />
Subsequently release key lock and press and hold the button<br />
OK for two minutes to clear the error message by pressing<br />
the butto 1/0.<br />
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