Kostrzewa Compact Bio 16, User Manual

Page: 102 / 304

Compact Bio / Compact Bio Luxury
User Manual – EN 07.15
Experts in biomass heating
102
13. Examples of equipment failures and remedies
Failure Cause Remedy
The display shows ‘burner sensor short-circuit’
message. • Incorrect burner plate sensor
installation
• Burner plate outlet damage
• Burner duct damage
• Check sensor installation
• Check plate outlet
• Check burner duct
The display shows ‘heat exchanger overheating’
or ‘STB open’ message. • Incorrect boiler temperature sensor
installation
• Boiler temperature sensor failure
• No heat removal
• STB safety temperature limiter
• Check correct sensor position
• Check the sensor connection in the
control
• Boiler pump failure
• Repair or replace control
The display shows ‘burner overheating’
message. • Incorrect sensor installation
• Feeder sensor failure
• Fouled burner grate - sinter on the grate • Check sensor installation
• Replace feeder sensor
• Clean burner grate
No indications on the controller display. • No power supply
• Incorrect connection of control
system plugs and cables
• High control humidity
• Display failure
• Check power supply connections
• Check control plugs and connectors
• Repair or replace control
Control system button(s) not working. • Control panel failure • Control system repair
The feed screw does not turn, despite being
signalled as functioning. • No power to gear motor
• Wrong wiring of power cables
• The feeder is blocked
• Gear motor is faulty
• Control module is faulty • 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
No air intake despite the fan being signalled as
functioning. • No power to the fan
• Fan is faulty
• Control module is faulty • Check fan plugs and cables
(with connectors)
• Replace fan
• Replace control module