List Of Faults; Technical Data And Characteristics - Joannes CIPREA D 24 AS Instructions D'utilisation

= =
fig. 17 - Electrode positioning
• The gas and water systems must be airtight.
• The water pressure in the cold water system must be about 1 bar; otherwise, bring
it to that value.
• The circulating pump must not be blocked.
• The expansion tank must be filled.
• The gas flow and pressure must correspond to that given in the respective tables.
4.4 Troubleshooting
Diagnostics
The boiler is equipped with an advanced self-diagnosis system. In case of a boiler fault,
the display will flash together with the fault symbol (detail 11 - 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 6 - 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 eliminate
the fault.
Faults marked with the letter "F" cause temporary shutdowns that are automatically reset
as soon as the value returns within the boiler's normal working range.

List of faults

Table. 8
Code
Fault Possible cause
fault
No gas
Ignition/detection electrode fault
A01 No burner ignition
Faulty gas valve
Gas valve wiring disconnected
Ignition power too low
Electrode fault
Flame present signal with
A02
burner off
Card fault
Heating sensor damaged
Overtemperature protec-
A03
tion activation No water circulation in the system Check the circulating pump
Air in the system
F04 Card parameter fault Wrong card parameter setting
Card parameter fault Wrong card parameter setting
Wiring disconnected
F05
Fan fault Defective fan
Card fault
Low pressure in the gas system
No flame after the ignition
A06
phase
Burner minimum pressure setting Check the pressures
F07 Card parameter fault Wrong card parameter setting
Wiring disconnected
A09 Gas valve fault
Faulty gas valve
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
Wiring disconnected
A16 Gas valve fault
Faulty gas valve
18 EN
Code
fault
F20
A21
A23
A24
F34
F35
F37
F39
A41
F42
F43
F50
A51
Cure

5. TECHNICAL DATA AND CHARACTERISTICS

Check the regular gas flow to the
boiler and that the air has been elimi-
Table. 9 - Key of figures cap. 5
nated 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
necessary
Check the wiring
Adjust the ignition power
Check the ionisation electrode wiring
Check the card
Check the correct positioning and
operation of the heating sensor
Vent the system
Check the card parameter and modify
it if necessary
Check the card parameter and modify
it if necessary
Check the wiring
Check the fan
Check the card
Check the gas pressure
Check the card parameter and modify
it if necessary
Check the wiring
Check the gas valve and replace it if
necessary
Check the wiring or replace the sen-
sor
Check the wiring or replace the sen-
sor
Check the wiring or replace the sen-
sor
Check the wiring
Check the gas valve and replace it if
necessary
cod. 3541A351 - 06/2011 (Rev. 00)
CIPREA D 24 AS
Fault Possible cause
Fan fault
Faulty baffle
Combustion control fault
Flue not correctly sized or
obstructed
Fault F20 generated 6 times in the
Poor combustion fault
last 10 minutes
Card parameter fault Wrong card parameter setting
Card parameter fault Wrong card parameter setting
Supply voltage under 180V. Electric mains trouble
Faulty mains frequency Electric mains trouble
Pressure too low
Incorrect system water
Water pressure switch damaged
pressure
or not connected
Probe damaged or wiring shorted
External probe fault
Probe disconnected after activat-
ing the sliding temperature
Delivery sensor or DHW sensor
Sensor positioning
detached from the pipe
Heating sensor fault Sensor damaged
No H O system circulation
2
Exchanger protection trips.
Air in the system
Modulating Operator wiring dis-
connected
Gas valve fault
Faulty gas valve
Poor combustion fault Inlet/exhaust flue obstruction
5 Sealed chamber
7 Gas inlet
8 Domestic hot water outlet
9 Cold water inlet
10 System delivery
11 System return
14 Safety valve
16 Fan
19 Combustion chamber
20 Burner assembly
21 Main nozzle
22 Burner
26 Combustion chamber insulation
27 Copper exchanger for heating and hot
water
28 Fume manifold
29 Fume outlet manifold
Cure
Check the fan and fan wiring
Check the baffle and replace it if nec-
essary
Check the flue
See fault F20
Check the card parameter and modify
it if necessary
Check the card parameter and modify
it if necessary
Check the electrical system
Check the electrical system
Fill the system
Check the sensor
Check the wiring or replace the sen-
sor
Reconnect the external sensor or dis-
able the sliding temperature
Check the correct positioning and
operation of the sensors
Replace the sensor
Check the circulating pump
Vent the system
Check the wiring
Check the gas valve and replace it if
necessary
Check the flue
32 Heating circulating pump
36 Automatic air vent
38 Flowswitch
42 DHW temperature sensor
44 Gas valve
56 Expansion tank
72 Room thermostat (not supplied)
74 System filling cock
81 Ignition and detection electrode
114 Water pressure switch
138 External probe
139 Room unit
187 Fume baffle
278 Double sensor (Safety + Heating)
340 Bypass pipe