Example Equipment Failures And Remedies - Kostrzewa Twin Bio Manual De Uso

13. Example equipment failures and remedies

13. Example equipment failures and remedies
Failure
The display shows 'burner sensor
short-circuit' message
The display shows 'heat exchanger
overheating' or 'STB open' message
The display shows 'burner overheating'
message
No indications on the display
Control system button(s) not working
The feed screw does not turn, despite
being signalled as functioning
No air intake despite the fan being
signalled as functioning
Experts in heating
Probable cause
• Incorrect burner plate sensor
installation
• Burner plate outlet damage
• Burner duct damage
• Incorrect boiler temperature sensor
installation
• Boiler temperature sensor failure
• No heat removal
• Safety temperature limiter (STB)
failure
• Incorrect sensor installation
• Feeder sensor failure
• Fouled burner grate – sinter
on the grate
• No power supply
• Incorrect connection of control
system plugs and cables
• High control humidity
• Display failure
• Control panel failure
• No power to gear motor
• Wrong wiring of power cables
• The feeder is blocked
• Gear motor is faulty
• Control module is faulty
• No power to the fan
• Fan is faulty
• Control module is faulty
Remedy
• Check sensor installation
• Check plate outlet
• Check burner duct
• Check correct sensor position
• Check the sensor connection in the
control
• Boiler pump failure
• Control replacement / repair
• Check sensor installation
• Replace feeder sensor
• Clean burner grate
• Check power supply connections
• Check control plugs and connectors
• Control replacement / repair
• Control system repair
• Check control plugs and connectors
• Check the connection of the gear
motor to the screw shaft
• Check if the feeder duct is not
blocked and that the screw shaft can
rotate freely in the duct
• Check fan plugs and cables
(with connectors)
• Replace fan
• Replace control module
User Manual Twin Bio - PLV 09.13
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