DOMItech C 24 - 32 D
32
EN
5. TECHNICAL DATA AND CHARACTERISTICS
Table. 3 - Key of figures cap. 5
5.1 General view and main components
fig. 13 - General view DOMItech C 24 D
fig. 14 - DOMItech C 24 D
A21
Card parameter fault
Wrong card parameter setting
Check the card parameter and modify
it if necessary
A23
Card parameter fault
Wrong card parameter setting
Check the card parameter and modify
it if necessary
A24
Card parameter fault
Wrong card parameter setting
Check the card parameter and modify
it if necessary
F34
Supply voltage under 180V. 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 damaged
or not connected
Check the sensor
F39
External probe fault
Probe damaged or wiring shorted
Check the wiring or replace the sen-
sor
Probe disconnected after activat-
ing the sliding temperature
Reconnect the external sensor or dis-
able the sliding temperature
A41
Sensor positioning
Delivery sensor or DHW sensor
detached from the pipe
Check the correct positioning and
operation of the sensors
F42
Heating sensor fault
Sensor damaged
Replace the sensor
F43
Exchanger protection trips.
No system H
2
O circulation
Check the circulating pump
Air in the system
Vent the system
F50
Gas valve fault
Modulating Operator wiring dis-
connected
Check the wiring
Faulty gas valve
Check the gas valve and replace it if
necessary
7
Gas inlet
42
DHW temperature probe
8
Domestic hot water outlet
44
Gas valve
9
Cold water inlet
56
Expansion tank
10
System delivery
72
Room thermostat
11
System return
74
System filling cock
14
Safety valve
78
Anti-backflow device
19
Combustion chamber
81
Ignition and detection electrode
20
Burner assembly
114
Water pressure switch
21
Main nozzle
126
Fume thermostat
22
Burner
138
External probe (optional)
26
Combustion chamber insulation
139
Remote timer control
27
Copper exchanger for heating and hot water
278
Double sensor ( Heating)
32
Heating circulating pump
290
Antiwind grille
36
Automatic air vent
340
Bypass pipe
38
Flowswitch
Fault
code
Fault
Possible cause
Cure
10
8 44 7
9
74
11 32
114
36
14
26
19
27
56
278
81
20
21
22
38
42
78
126
340
290
10
8 44 7
9
74
11 32
114
36
14
26
19
27
56
278
81
20
21
22
38
42
78
126
340
290
cod. 3540Z952 - Rev. 00 - ediz. 10/2013
Содержание DOMItech C 32 D
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