158
F002 Grate has not
reached its end
position
• Stepped grate has jammed
• Limit switch is incorrectly set
• Limit switch is incorrectly
connected
• Grate motor is faulty
• Check the stepped grate
• Adjust the limit switch
• Have the fault fixed by a
qualified electrician
• Have the grate motor
replaced by a heating
engineer
F003 Fault in the
intermediate
container during
filling
• No pellet supply
• Incorrect type of delivery
selected
• Delivery system or suction
faulty
• Faulty sensor
• Fill the pellet bunker
• Configure the correct delivery
type Par. 7-01
• Check that delivery and
suction are working properly
and have any fault fixed by a
heating engineer
• Have a qualified electrician
replace the sensor
F004 Number of
ignition
attempts has
been exceeded
• No pellet supply
• Enable time is incorrectly set
• Fill level sensor is not
enabled.
• Ignition fan is faulty
• Stoker auger is faulty
• Combustion chamber
temperature sensor is faulty
• Fill the pellet bunker
• Configure the correct enable
time Par. 7-02
• Clean or replace the sensor.
• Check the ignition fan, stoker
auger and temperature
sensor in the combustion
chamber and have any fault
fixed by a heating engineer
F010 Combuston
chamber temp.
Open circuit
• Open circuit in sensor cable
• Sensor incorrectly connected
• Sensor is faulty
• Have the fault fixed by a
qualified electrician
F011 Open circuit in
flue temperature
sensor
• Open circuit in sensor cable
• Sensor incorrectly connected
• Sensor is faulty
• Have the fault fixed by a
qualified electrician
F012 Boiler supply
temperature
Short circuit
• Short circuit in the sensor or
sensor cable
• Have the fault fixed by a
qualified electrician
F013 Boiler supply
temperature Open
circuit
• Open circuit in sensor cable
• Sensor incorrectly connected
• Sensor is faulty
• Configure emergency
operation Par. 1-04 and
have the fault fixed by a
qualified electrician
F014 Boiler return
temperature
Short circuit
• Short circuit in the sensor or
sensor cable
• Have the fault fixed by a
qualified electrician
F015 Boiler return
temperature
Open circuit
• Open circuit in sensor cable
• Sensor incorrectly connected
• Sensor is faulty
• Have the fault fixed by a
qualified electrician
No. Fault Cause Remedy
Table 8/1 - Faults (continuation)
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