168
F002 Grate blocked
down
• Grate is jammed
• Limit switch is not correctly
set
• Limit switch is incorrectly
connected
• Grate motor is faulty
• Check grate mechanics
• Readjust limit switch
• Have limit switch connection
checked by a qualified electri-
cian
• Have the grate motor repla-
ced by a heating technician
F003 Delivery system
fill time excee-
ded
• No material available
• Delivery syst. fault
• Faulty sensor
• Check material bunker
• Check delivery system
• Have functioning of fill level
sensor checked by a qualified
electrician
F004 Number of igni-
tion attempts
exceeded
• Ignition fan is faulty
• Stoker auger is faulty
• Combustion temperature
sensor is faulty
• Fill indicator stuck
• Check ignition fan, stoker
auger and combustion cham-
ber temperature sensor
• Check material supplies
• Check delivery auger
• Check fill level indicator
F005 Grate opens
during
operation
• Limit switch is faulty or incor-
rectly set
• Grate motor is faulty
• Test functioning of limit
switch
• Test functioning of grate
motor / replace grate motor
F006 Grate blocked up • Grate is jammed
• Limit switch is not correctly
set
• Limit switch is incorrectly
connected
• Grate motor is faulty
• Check grate mechanics
• Readjust limit switch
• Have limit switch connection
checked by a qualified electri-
cian
• Have the grate motor repla-
ced by a heating technician
F007 Lubricating the
feeding
Overcurrent
• Incorrect parameter setting
• Rotary feeder is jammed
• Motor is faulty
• Check parameter 7-03
• Check rotary feeder
• Have a qualified electrician
inspect motor, replace if
necessary
F008 Dosage
Overcurrent
• Incorrect parameter setting
• Dosing unit is jammed
• Motor is faulty
• Check parameter 7-12
• Check dosing unit
• Have a qualified electrician
inspect motor, replace if
necessary
F009 Delivery system
Overcurrent
• Incorrect parameter setting
• Delivery system is jammed
• Motor is faulty
• Check parameter 7-19
• Check delivery system
• Have a qualified electrician
inspect motor, replace if
necessary
No. Fault Cause Remedy
Table 8/1 - Faults
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