Ferroli PEGASUS D 30 K 100 LN Instrucciones De Uso, Instalación Y Mantenimiento página 41

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PEGASUS D 30 K 100 LN
Pilot burner assembly
fig. 24 - Pilot burner
1.
Combustion chamber door
2.
Inspection door
3.
Pilot burner
4.
Ignition electrode
5.
Detection electrode
6.
Pilot nozzle
7.
Gas supply pipe
All manuals and user guides at all-guides.com
4.4 Troubleshooting
Diagnostics
The boiler is equipped with an advanced self-diagnosis system. In case of a boiler anom-
aly, the display will flash together with the fault symbol (detail 22 - fig. 1) indicating the
fault code.
There are faults that cause permanent shutdown (marked with the letter "A"): to restore
operation, press the RESET button (detail 8 - fig. 1) for 1 second or RESET on the op-
tional remote timer control if installed; if the boiler fails to start, it is necessary to firstly
eliminate the fault.
Other faults (marked with the letter "F") that cause temporary shutdowns are automati-
cally reset as soon as the value returns within the boiler's normal working range.
Table. 2 - Fault list
Fault
code
cod. 3540T306 - Rev. 01 - 02/2015
Fault
Possible cause
No gas
Ignition/detection electrode
A01
Burner fails to light
fault
Faulty gas valve
Ignition power too low
Electrode fault
Flame present signal
A02
with burner off
Card fault
Heating sensor damaged
Overtemperature protec-
A03
No water circulation in sys-
tion activation
tem
Air in the system
Fume thermostat contact
Fume thermostat activa-
open
tion (after the fume ther-
F04
mostat activation, boiler
Wiring disconnected
operation is prevented
Flue not correctly sized or
for 20 minutes)
obstructed
Low pressure in gas system Check the gas pressure
No flame after the igni-
A06
Burner minimum pressure
tion stage
setting
Sensor damaged
F10
Delivery sensor 1 fault
Wiring shorted
Wiring disconnected
Sensor damaged
F11
DHW sensor fault
Wiring shorted
Wiring disconnected
Sensor damaged
F14
Delivery sensor 2 fault
Wiring shorted
Wiring disconnected
Supply voltage under
F34
Electric mains trouble
170V.
F35
Mains frequency fault
Electric mains trouble
System empty
Incorrect system water
F37
Water pressure switch not
pressure
connected or damaged
Probe damaged or wiring
shorted
F39
External probe fault
Sensor disconnected after
activating sliding tempera-
ture
Incorrect system water
F40
Pressure too high
pressure
Delivery sensor discon-
A41
Sensor positioning
nected from pipe
F42
Heating sensor fault
Sensor damaged
System water pressure
F47
Wiring disconnected
sensor fault
Gas valve wiring fault
A48
Gas valve fault
Faulty gas valve
Card fault
Gas valve wiring fault
A49
Gas valve fault
Faulty gas valve
Card fault
Cure
Check the regular gas flow to the boiler and
that the air has been eliminated from the
pipes
Check the wiring of the electrode and that it is
correctly positioned and free of any deposits
Check the gas valve and replace it if neces-
sary
Adjust the ignition power
Check the ionisation electrode wiring
Check the card
Check the correct positioning and operation
of the heating sensor
Check the circulating pump
Vent the system
Check the thermostat
Check the wiring
Replace the flue
Check the pressures
Check the wiring or replace the sensor
Check the wiring or replace the sensor
Check the wiring or replace the sensor
Check the electrical system
Check the electrical system
Fill the system
Check the sensor
Check the wiring or replace the sensor
Reconnect the external probe or disable the
sliding temperature
Check the system
Check the safety valve
Check the expansion tank
Check the correct positioning and operation
of the heating sensor
Replace the sensor
Check the wiring
Check the wiring
Replace the gas valve
Replace the card
Check the wiring
Replace the gas valve
Replace the card
EN
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