64
Auger motor is turning, no pellets are being
delivered to combustion pot.
Auger drive mechanism fault.
Check auger drive coupling at top of auger.
Alarm ‘Probe B01 fault or disconnected’.
Airlock in boiler causing high temperature.
Bleed heating system to remove airlocks.
Airlocks keep occurring in heating system.
Automatic airvent does not have sealing
plug correctly fitted.
Ensure sealing plug has been correctly fitted
and tightened.
Excessive smoke exhausted from flue with
appliance operating.
Appliance requires cleaning
Appliance requires servicing
Clean appliance.
Service appliance.
Pellets are getting damp in the hopper.
Check for water ingress points around
hopper door and flue.
Rectify water ingress, replace pellets.
Water is flowing from vent in open vented
system.
Max. pump speed set too high.
Reduce max. pump speed parameter.
Flue fan is running but Draught Act. value is
around 0.
Draught hose disconnected at combustion
door or sensor.
Inspect draught sensor hose and connections.
Draught Act. value remains at 1-5Pa. with
flue switched off.
Natural draught created by flue.
This is normal operation, requires no action.
LF mode is frequently activated.
Appliance requires servicing.
Service appliance.
PF mode is activated.
Appliance permanent live supply has been
interrupted, in a mode other than standby.
Allow appliance to complete firing cycle.
Freeze risk mode is activated, appliance is
firing
even
though
clock
and
room
thermostats are off.
Appliance temperature is low, and at risk of
freezing.
Allow appliance to fire until freeze risk is
removed.
Table 15: Troubleshooting guide