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List of Indoor Unit Anomalies.
Error
Code
Anomaly signalled
Cause
IU Status / Solution
01
No ignition block
In the event of request of room central heating or domestic
hot water production, the system does not switch on within
the preset time. Upon Victrix Hybrid commissioning or after
extended downtime, it may be necessary to eliminate the block.
Press the Reset button (1)
02
Safety thermostat block
(over-temperature)
During normal operation, if a fault causes excessive overheating
internally, the boiler goes into overheating block.
Press the Reset button (1)
03
Flue safety thermostat
block
During normal operation, if a fault causes excessive flue gas
overheating, the boiler blocks
Press the Reset button (1)
04
Contacts resistance
block
The P.C.B. detects a fault on the gas valve supply. Check its
connection. (The anomaly is detected and displayed only in the
event of a request).
Press the Reset button (1)
05
Flow probe anomaly
The board detects an anomaly on the flow NTC probe.
The boiler does not start (1)
06
Domestic hot water
probe anomaly
The board detects an anomaly on the domestic hot water NTC
probe. In this case the antifreeze function is also inhibited
In this case the system continues to pro-
duce domestic hot water but not with
optimal performance (1)
08
Maximum N° of resets
Number of allowed resets that have already performed.
Attention:
the fault may be reset up to
5 times consecutively, after which the
function in inhibited for at least one hour.
One attempt is gained every hour for a
maximum of 5 attempts. By switching the
appliance on and off again, the 5 attempts
are re-acquired.
10
Insufficient system
pressure
Sufficient water pressure inside the central heating circuit to
guarantee the correct operation of the system is not detected.
Check on the indoor unit pressure gauge
that the system pressure is between 1-1.2
bar and restore the correct pressure if
necessary.
15
Configuration error
If the board detects an anomaly or incongruity on the electric
wiring of the system and it will not start.
If normal conditions are restored, the
system restarts without having to be re-
set. Check that the system is configured
correctly (1)
16
Fan anomaly
This occurs if the fan has a mechanical or electrical fault.
Press the Reset button (1)
20
Parasite flame block
This occurs in the event of a leak on the detection circuit or
anomaly in the flame control unit.
Press the Reset button (1)
23
Return probe anomaly
The board detects an anomaly on the return NTC probe
The system does not start (1)
24
Push button control
panel anomaly
The board detects an anomaly on the pushbutton panel.
If normal conditions are restored, the
system restarts without having to be reset
(1).
27
Insufficient circulation
This occurs if there is overheating in the system due to insufficient
water circulating in the primary circuit; the causes can be:
- low system circulation; check that no shut-off devices are closed
on the heating circuit and that the system is free of air (deaer-
ated);
- circulating pump blocked; free the circulating pump.
Press the Reset button (1)
29
Flue probe anomaly
The board detects an anomaly on the flue gas probe
The system does not start (1)
31
Loss of remote control
communication.
This occurs if an incompatible remote control is connected, or
if communication between the boiler and the remote control
is lost
Disconnect and reconnect the power to 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. In this
case the "Central Heating" (1) function
cannot be activated.
37
Low power supply
voltage
This occurs when the power supply voltage is lower than the
allowed limits for the correct boiler operation.
If normal conditions are restored the boiler
restarts without having to be reset (1)
38
Loss of flame signal
This occurs when the system is ignited correctly and the burner
flame switches off unexpectedly; a new attempt at ignition is
performed and if normal conditions are restored, the system
does not have to be reset .
If normal conditions are restored, the
system restarts without having to be reset
(1) (2)
(1) If the block or anomaly persists, contact an authorised company (e.g. Authorised After-Sales Centre).
(2) The anomaly can only be verified in the list of errors in the “Information” menu
