Kozlusan SLIMPEL, Owner'S Manual

Page: 20 / 21

Page 20
TROUBLESHOOTING
FAILURE CAUSE REMEDY
Burner creaks
Burner is new (wait)
Chimney is sweating
Poor insulation Insulate the chimney well
Low exhaust temperature
Increase the minimum power / the boiler temp., it
may be necessary to restore the chimney
Pellet boiler is sweating
Check return flow increase at external control
Heating circuits do not work /
Heating system is slow to heat up
The boiler is on utility water operation
mode
Change operation mode
Hydraulic problem Contact installer
Altered heating curve Adjust
Heating circuit pump is defect Fix it
Air is in the system Bleed air from system
Pumps run on wrongrotation speed Fix it
High temperature value on screen
No water in boiler Fill the system
Circulation pump is not working Activate / Fix the pump
Air in the system / boiler Bleed air from system / from boiler
Defective boiler temperature sensor > Inform customer service