NBE RTB 10 - Page 21

Ready To Burn
Ready To Burn: Version 1.0 October 2015 Page 20 of 24
TROUBLE SHOOTING
Problem.
Possible cause.
Possible solution.
Alarm RPM
RPM sensor defective.
Change the fan.
Change to % regulation at the
fan.
No power to the controller.
Defective fuse in the controller.
Replace the fuse to a new one.
Safety thermostat deactive.
Reconnect by firmly pressing
the red button.
The controller has been over-
voltage.
Send controller to NBE for
repair.
The burner deactivates residual
current protection.
Electric ignition is faulty.
Change the electric ignition to a
new.
Current leak in a component.
Note when RCD deactivate,
replace the component.
Cables exposed.
Check cables, insulate them if
possible.
Too high pellet consumption.
Lean burning.
Make a new adjustment of the
burner.
Too high chimney draft.
Install a draft stabilizer in the
chimney.
Uninsulated pipes in the
installation.
Insulate with pipe insulation.
Too many electric ignitions.
Flow in the system is
fluctuating.
Set the pressure controlled
circulation pump to fixed
pressure.
External thermostat unstable.
Set "External wait" up in the
controller.
Unburnt pellets in the ash.
Lean burn.
Make a new adjustment of the
burner.
The grate is placed incorrectly.
Mount it correctly.
Too many pellets on the grate.
Make a new adjustment of the
burner.
The fan is adjusted too high.
Make a new adjustment of the
burner.
Too high chimney draft.
Install a draft stabilizer in the
chimney.
Cinders on the grate.
Blower cleaning is not sufficient.
Adjust the fan % up to clean,
and the time between cleans
down.
Clean the grate mechanical
more frequently.
Poor quality pellets.
Change supplier.
Mount compressor cleaning.
Change the grate, to a model
that is more open.
Fat combustion.
Adjust the fan up at 10, 50 and
100% power.
Adjust the burner power down
in "auto calculation"
The boiler condensates.
Too low chimney temperature.
See page 27 about flue gas
condensation.