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DIVAtop ST F
Fault
Fault
Possible cause
code
Sensor damaged
F14
Delivery sensor 2 fault
Wiring shorted
Wiring disconnected
Air signal protection
Fault F05 generated 5 times in the
A15
activation
last 15 minutes
Supply voltage under
F34
Electric mains trouble
170V.
Faulty mains fre-
F35
Electric mains trouble
quency
Pressure too low
Incorrect system
F37
water pressure
Sensor damaged
Probe damaged or wiring shorted
F39
External probe fault
Probe disconnected after activat-
ing the sliding temperature
Incorrect system
F40
Pressure too high
water pressure
Delivery sensor detached from
A41
Sensor positioning
pipe
F42
Heating sensor fault
Sensor damaged
No system H
Exchanger protection
F43
activation.
Air in the system
System water pres-
F47
Wiring disconnected
sure sensor fault
F50
Modureg fault
Wiring disconnected
5. TECHNICAL DATA AND CHARACTERISTICS
5.1 General view and main components
297
5
16
278
81
40
20
21
22
130
194
42
95
10
fig. 29 - General view DIVAtop ST 24 F
Cure
Check the wiring or replace the sen-
sor
See fault F05
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 probe or dis-
able 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
O circulation
Check the circulating pump
2
Vent the system
Check the wiring
Check the wiring
29
195
8 44 7 37
9 74 11
cod. 354
5
16
278
81
40
20
21
22
130
194
42
95
Key of figures cap. 5
56
5
Sealed chamber
7
Gas inlet
27
8
Domestic hot water outlet
9
Cold water inlet
10
System delivery
11
System return
14
Safety valve
16
Fan
26
19
Combustion chamber
20
Burner assembly
21
Main nozzle
22
Burner
26
Combustion chamber insulation
19
27
Copper exchanger
29
Fume outlet manifold
32
Heating circulating pump
36
Automatic air vent
37
Water inlet filter
40
Hot water expansion tank
42
DHW temperature sensor
44
Gas valve
47
Modureg
243
56
Expansion tank
72
Room thermostat
36
73
Antifreeze thermostat (optional)
74
System filling cock
14
81
Ignition/Detection electrode
246
95
Diverter valve
97
Magnesium anode
32
130
DHW circulating pump
138
External probe
139
Remote timer control (OpenTherm)
145
145
Pressure gauge
194
Exchanger
195
Storage
241
Automatic bypass
243
Tap water temperature probe
246
Pressure transducer
278
Double sensor (Safety + Heating)
297
Air pressure transducer
- Rev. 00 - 09/2013
29
297
195
10
8 44 7 37
9 74 11
fig. 30 - General view DIVAtop ST 32 F
EN
56
27
26
19
243
36
14
246
32
145
41
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