Herz pelletfire 20/20, Operating Instructions Manual

Page: 75 / 100

Menu navigation and adjustment values 9
75
No. Fault report Cause of fault Fault correction
064 CLOSE BFP
if BFP-Closed-Contact is not reached
Check BFP-motor
Check fuel temperature
Clean intermediate hopper level sensor
Check drive arm
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- contracting party
065 CONTACTS BFP
if both BFP-contacts are active at the
same time
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- contracting party
Carry out check BFP by specialist
personnel
066 IGNITION
if ignition does not occur within 15
minutes
Check fuel level
Check burning parameters, adjust as adapt
Check fuel level during firing
Check ignition element
067 FIRE OUT if no combustion is detected
Check fuel level
Check burning parameters, adjust as adapt
Clean intermediate hopper level sensor
068 TEMP. CONTROL
Fuel storage room temperature
sensor has exceeded the maximum
permissible temperature
Check fuel storage room
Alarm fire brigade in case of fire
069 STL
Boiler temperature has exceeded the
maximum permissible boiler
temperature
Cool down boiler (< 75 °C)
Quit STL
070 LAMBDA FUEL
when Lambda material correction is at
upper or lower limit (30 minutes)
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- contracting party
071 LAMBDA FUEL
if lambda probe value does not
change
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- contracting party
073
LAMBDA-
CALIBRATION
if calibration out of range or if other
error occurs during calibration and
aborts
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- contracting party
076 Standard Fuels
if
1) Pre-filling / Ignition insert cannot be
performed because no fuel
2) Failure “FIRE OUT” occurs for the
second time within 2 hours.
3) during operation intermediate
hopper is not full despite power
reduction
Check fuel level
Check burning parameters, adjust as adapt
Clean intermediate hopper level sensor
077 Additional input
when digital input responds to
additional input
Check failure at additional input aggregate
078 NIVEAU LEVEL
Active intermediate hopper level
sensor; low fuel level at intermediate
hopper
Check fuel level
Check discharge system (motor, screw,
springs)
079 SUCTION SENSOR
if sensor always reports fully during
suction (no sensor change)
Check fuel level
Check discharge system (motor, )
080
MP-ROOM
DISCHARGE if digital input MP room discharge
responding
Check discharge system (motor, screw,
springs) to debris
081 Rotation speed ID fan
Speed outside the limits for more than
10 seconds
Check connection rotation speed sensor
Check ID-fan
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- contracting party
082 GRATE CLEANING 1
Grate cleaning failure; motor
damaged; grate linkage damaged or
loosened; misaligned grate sensor
Check grate cleaning motor
Check grate linkage
Check grate cleaning end switch
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- contracting party
083 GRATE CLEANING 2
Failure grate cleaning; impossible to
close grate; grate got stuck; grate
linkage damaged or loosened
Remove debris
Check grate cleaning motor
Check grate linkage
Check grate cleaning end switch
✆
- contracting party