Immergas VICTRIX EXA 24 X 1 ErP Instruction And Recommendation Booklet page 23

Error
Anomaly signalled
Code
Push button control
24
panel anomaly
Block due to ue
If the board detects a rapid increase in ue gas temperature probably due
gas temperature
25 to a blocked circulating pump or lack of water in the heat exchanger, the
gradient
boiler shuts down due to the ue gas temperature gradient trip.
intervention
circulating in the primary circuit; the causes can be:
Insu cient
27
- low system circulation; check that no shut-o devices are closed on the
circulation
- pump blocked; free the pump.
Flue probe anomaly
29
Loss of remote
control
31
the remote control.
communication
IMG Bus
Communication between the various components is interrupted due to
communication
36 an anomaly on the boiler control unit, on the zone control unit or on
loss the IMG Bus.
Low power supply
37
voltage
for the correct boiler operation.
out unexpectedly; a new ignition attempt is performed and if normal con-
Loss of ame signal
38
ditions are restored, the boiler does not have to be reset (this anomaly can
only be checked in the list of errors present in the "Information" menu).
Block due to loss of
continuous ame
43
within a preset period (38).
signal
Block for exceeding
the maximum accu-
44
mulated time, close
normal operation, without the boiler switching on.
gas valve opening
If the board detects a sudden and unexpected rise in ΔT between the
system ow probe and return probe, the boiler limits the burner output
ΔT high
45
to prevent damaging the condensing module; when the correct ΔT has
been restored, the boiler returns to normal operation.
Low temperature
During normal operation, if an anomaly causes excessive overheating of
safety thermostat
46
the ow temperature in low temperature conditions, the boiler blocks.
(optional)
Burner power
Should ue high temperature be detected, the boiler reduces power sup-
47
limitation
plied so as not to damage it.
High temperature
block on return
49
that is too high.
probe
(1) If the shutdown or fault persists, contact an authorised company (e.g. Authorised Technical A er-Sales Service).
Cause
e board detects an anomaly on the pushbutton panel
is occurs if there is overheating in the boiler due to insu cient water
heating circuit and that the system is free of air (deaerated);
e board detects an anomaly on the ue gas probe.
is occurs 1 minute a er communication loss between the boiler and
is occurs when the power supply voltage is lower than the allowed limits
is occurs when the boiler is ignited correctly and the burner ame goes
is occurs if the ''Flame signal loss'' error occurs many times in a row
is occurs if the gas valve remains open for longer than required for
is occurs when the heat exchanger return circuit reaches a temperature
23
Boiler status / Solution
If normal conditions are restored the boiler
restarts without having to be reset (1).
Press the Reset button (1).
Press the Reset button (1).
e boiler does not start (1).
Power cycle the boiler. If the Remote
Control is still not detected on re-starting,
the boiler will switch to local operating
mode, i.e. using the controls on the control
panel (1).
e boiler does not satisfy the room heating
requests (1).
If normal conditions are restored the boiler
restarts without having to be reset (1).
If normal conditions are restored the boiler
restarts without having to be reset (1).
Press the Reset button, before restarting, the
boiler will run a post-ventilation cycle. (1).
Press the Reset button (1).
Make sure there is water circulating in the
boiler, that the pump is con gured accord-
ing to system requirements and that the
return probe works properly (1).
In this case, a er suitable cooling, it is pos-
sible to reset the thermostat (see relative
instructions sheet) (1).
(1).
Make sure that water circulates properly
in the boiler and that the three-way valve
works properly. Press the Reset button (C)
to eliminate it (1).