Kostrzewa Mini Bio, User Manual

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Mini Bio and Mini Bio Luxury User Manual - ENGV 08.15
Experts in heating
13 . T roub l es h oo t ing
Failure Cause Remedy
The display shows ‘burner sensor
short-circuit’ message
³
Incorrect burner plate sensor
installation
³ Burner plate outlet damage
³ Burner duct damage
³
Check sensor installation
³ Check plate outlet
³ Check burner duct
The display shows ‘heat exchanger
overheating’ or ‘STB open’ message ³ Incorrect boiler temperature sensor
installation
³ Boiler temperature sensor failure
³ No heat removal
³ STB safety temperature limiter
³ Check correct sensor position
³ Check the sensor connection in the
control
³ Boiler pump failure
³ Repair or replace control
The display shows ‘burner overheating’
message ³ Incorrect sensor installation
³ Feeder sensor failure
³ Fouled burner grate - sinter on the
grate
³ Check sensor installation
³ Replace feeder sensor
³ Clean burner grate
No indications on the display ³ No power supply
³ Incorrect connection of control
system plugs and cables
³ High control humidity
³ Display failure
³ Check power supply connections
³ Check control plugs
and connectors
³ Control replacement / repair
Control system button(s) not working ³ Control panel failure ³ Control system repair
Automatic fuel ignition not working -
‘No fire/fuel’ message ³ Incorrect settings of heating
element, heating time and fire test
³ Incorrect heating element
connection
³ Heating element hot air outlet
blocked
³ Heating element failure
³ Flame sensor fouling/failure
³ Flame sensor opening at the rear
grate wall fouled
³ Change settings
³ Check heating element plugs and
cables (with connectors)
³ Clean igniter opening
³ High fuel moisture content
³ Replace heating element
³ Replace or clean the flame sensor
³ Clean flame sensor opening
Black smoke in the combustion chamber
Not combusted fuel in the ash pan ³ Incorrect air volume
³ Incorrect feed and pause time for
specific power
³ Reduce air volume, check feed and
pause time (burner power too high)