Ferroli Econcept 51A Instructions For Use, Installation And Maintenance - page 10
ECONCEPT 51 A
46
EN
cod. 3540S562 - 01/2011 (Rev. 00)
Table of faults
Table. 5 - Fault list
5. TECHNICAL DATA AND CHARACTERISTICS
5.1 Dimensions and connections
fig. 33 - Dimensions and connections
1 =
System delivery - Ø 3/4”
3 =
Gas inlet - Ø 3/4”
5 =
System return - Ø 3/4”
5.2 General view and main components
fig. 34 - General view
Fault
code
Fault
Possible cause
Cure
A01
No burner ignition
No gas
Check the regular gas flow to the boiler
and that the air has been eliminated from
the pipes
Ignition/detection electrode fault
Check the wiring of the electrode and that
it is correctly positioned and free of any
deposits
Faulty gas valve
Check the gas valve and replace it if
necessary
Insufficient gas supply pressure Check the gas supply pressure
Trap blocked
Check the trap and clean it if necessary
A02
Flame present signal with
burner off
Electrode fault
Check the ionisation electrode wiring
Card fault
Check the card
A03
Overtemperature protection
activation
Heating sensor damaged
Check the correct positioning and
operation of the heating sensor
No water circulation in the
system
Check the circulating pump
Air in the system
Vent the system
A04
Fume extraction duct safety
device activation
Fault F07 generated 3 times in
the last 24 hours
See fault F07
A05
Fan protection activation
Fault F15 generated for 1 hour
(consecutive)
See fault F15
A06
No flame after ignition stage
(6 times in 4 minutes)
Ionisation electrode fault
Check the position of the ionisation elec-
trode and replace it if necessary
Flame unstable
Check the burner
Gas valve Offset fault
Check the Offset adjustment at minimum
power
air/fume ducts obstructed
Remove the obstruction from the flue,
fume extraction ducts and air inlet and
terminals
Trap blocked
Check the trap and clean it if necessary
F07
High fume temperature
Flue partially obstructed or
insufficient
Check the efficiency of the flue, fume
extraction ducts and outlet terminal
Fume sensor position
Check the correct positioning and
operation of the fume sensor
F10
Delivery sensor 1 fault
Sensor damaged
Check the wiring or replace the sensor
Wiring shorted
Wiring disconnected
F11
Return sensor fault
Sensor damaged
Check the wiring or replace the sensor
Wiring shorted
Wiring disconnected
F12
DHW sensor fault
Sensor damaged
Check the wiring or replace the sensor
Wiring shorted
Wiring disconnected
F13
Fume sensor fault
Sensor damaged
Check the wiring or replace the sensor
Wiring shorted
Wiring disconnected
F14
Delivery sensor 2 fault
Sensor damaged
Check the wiring or replace the sensor
Wiring shorted
Wiring disconnected
F15
Fan fault
No 230V power supply
Check the wiring of the 3-pin connector
Tachometric signal interrupted Check the wiring of the 5-pin connector
Fan damaged
Check the fan
F34
Supply voltage under 170V
Electric mains trouble
Check the electrical system
F35
Faulty mains frequency
Electric mains trouble
Check the electrical system
F37
Incorrect system water
pressure
Pressure too low
Fill the system
Water pressure switch dam-
aged or not connected
Check the sensor
F39
External probe fault
Probe damaged or wiring
shorted
Check the wiring or replace the sensor
Probe disconnected after
activating the sliding temperature
Reconnect the external probe or disable
the sliding temperature
A41
Sensor positioning
Delivery sensor detached from
the pipe
Check the correct positioning and
operation of the heating sensor
A42
Heating sensor fault
Sensor damaged
Replace the sensor
F42
Heating sensor fault
Sensor damaged
Replace the sensor
F50
Cascade temperature
sensor fault
Sensor damaged
Check the wiring or replace the sensor
Wiring shorted
Wiring disconnected
A61
Controller DBM12 fault
Controller DBM12 internal error
Check the earth connection and replace
the controller if necessary.
A62
No communication between
controller and gas valve
Controller not connected
Connect the controller to the gas valve
Valve damaged
Replace the valve
A63
A64
A65
F66
Controller DBM12 fault
Controller DBM12 internal error
Check the earth connection and replace
the controller if necessary.
270
250
45
65
50
166
120
195
120
120
195
380
630
720
1
3
5
191
16
5
278
196
44 193
32
114
36
186
22
81
82
10
11
7
145
19
161