Examples Of Equipment Failures And Remedies - Kostrzewa Compact Bio 16kW Manual De Uso

13. Examples of equipment failures and remedies

102
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 controller 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 biomass heating
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
• STB safety temperature limiter
• 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
Compact Bio / Compact Bio Luxury User Manual – EN 07.15
Remedy
• Check sensor installation
• Check plate outlet
• Check burner duct
• Check correct sensor position
• Check the sensor connection in the
control
• Boiler pump failure
• Repair or replace control
• Check sensor installation
• Replace feeder sensor
• Clean burner grate
• Check power supply connections
• Check control plugs and connectors
• Repair or replace control
• 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