Immergas HERCULES Condensing 26 2 E Manual page 64

Technical Documentation
Ricerca guasti HERCULES Condensing.
Before every intervention:
Check that the gas, water and electricity are correctly connected
to the boiler, according to that indicated in the data plate and
the instruction manual.
Also make sure that:
- the gas valve and boiler parameters are correctly adjusted;
- all devices outside the boiler function and are appropriately
adjusted;
- the external and internal fuses are integral.
Ignition cycle
Apply voltage to the boiler.
The display lights up.
Yes
The error 05 appears on the display
The error 06 appears on the display
The error 10 appears on the display
The error 12 appears on the display
The error 23 appears on the display
The error 24 appears on the display
The error 32 appears on the display
The error 33 appears on the display
The error 34 appears on the display
The error 35 appears on the display
The error 37 appears on the display
CENTRAL HEATING MODE
Press the main button ( ), and then press button A (WINTER).
Turn the central heating selector switch to maximum to prevent domestic
hot water functioning by pressing button B.
N.B.: wait for the completion of any DHW request if the temperature in
the storage tank is below 20°C.
Check the presence of the TA jumper on clamps
40-41 of the P.C.B.
N.B.: the jumper must not be present when
external devices are installed such as TA, CAR,
clock programmer, etc...
No
The boiler pump
Check the effective request from any external
starts.
devices (TA/CAR programmer clock). See
N.B.: the display
error section 31.
must show CH
If present zones digital control unit (as standard
for HERCULES Condensing ABT)
No
See section F
See section B
No
Yes
The 3-way valve goes
into the CH posi-
See section C
No
tion.
Yes
T h e z o n e p u m p
See section G
starts No
STHCkW ed 0409
No See section A
See error section 05
Yes
See error section 15
Yes
See error section 10
Yes
See error section 12
Yes
See error section 23
Yes
See error section 24
Yes
See error section 32
Yes
See error section 33
Yes
Yes See error section 34-a
See error section 35-a
Yes
See error section 37
Yes
Technical Documentation
Before maintenance interventions or replacement of compo-
nents, remove the electric power supply upstream from the
appliance.
For correct use of the troubleshooting table, on intervention it
is recommended to press the Reset button, switch the boiler off
and remove voltage from the appliance for at least 5 seconds.
This is to allow the boiler to start a new ignition cycle.
No
DOMESTIC HOT WATER MODE
Press the main button ( ), and then press button A (SUMMER).
Turn the DHW selector switch to maximum and open the cock
N.B.: the display must show DHW
The boiler pump starts.
Sì
The 3-way valve goes into the DHW
position.
62
See section B
No
See section C
No
HERCULES Condensing Export