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necessary to eliminate the "ignition block". If
this phenomenon occurs frequently, contact a
PL
qualified technician for assistance (e.g. Immergas
After-Sales Technical Assistance Service).
Safety thermostat block (over-heating). During
CZ
operation, if a fault causes excessive overheating
internally, or an anomaly occurs in the flame
control section, an over-temperature block is
triggered in the boiler (ERR02). To eliminate
HU
"over-temperature block" the Reset button "C"
must be pressed. If this phenomenon occurs
frequently, contact a qualified technician for
assistance (e.g. Immergas After-Sales Technical
RO
Assistance Service).
Flue safety thermostat block. This occurs in
the case of partial internal obstruction (due to
IE
the presence of lime scale or mud) or external
blocking should occur (combustion residues) to
the condensation module. To eliminate the "flue
safety thermostat block" the Reset button "C"
SK
must be pressed. Call an authorised technician
to remove the obstructions (e.g. Immergas After-
Sales Technical Assistance Service).
Contacts resistance block. This occurs in the
case of faults to the safety thermostat (over-
temperature) or anomaly in the flame control.
The boiler does not start and a technician must
be called (e.g. Immergas After-Sales Technical
Assistance Service).
Flow probe anomaly. If the board detects an
anomaly on the system NTC flow probe (code
05) the boiler will not start; contact a qualified
technician for assistance (e.g. Immergas After-
Sales Technical Assistance Service).
Insufficient system pressure. Water pressure
inside the central heating system that is sufficient
to guarantee the correct functioning of the boiler
is not detected. Check on the boiler manometer
(1) that the system pressure is between 1÷1.2 bar
and restore the correct pressure if necessary.
Storage tank probe anomaly. If the board detects
an anomaly on the storage tank probe, the boiler
cannot produce domestic hot water. A qualified
technician must be called (e.g. Immergas After-
Sales Technical Assistance Service).
Configuration error. If the board detects an
anomaly or incongruency on the electric wiring,
the boiler will not start. If normal conditions are
restored the boiler restarts without having to be
reset. If this anomaly persists, contact a qualified
technician for assistance (e.g. Immergas After-
Sales Technical Assistance Service).
Fan anomaly. This occurs if the fan has a me-
chanical or electrical fault. To eliminate the "fan
anomaly" the Reset button "C" must be pressed.
If this anomaly persists, contact a qualified tech-
nician for assistance (e.g. Immergas After-Sales
Technical Assistance Service).
Parasite flame block. This occurs in case of a
leak on the detection circuit or anomaly in the
flame control unit. The boiler can be reset in or-
der to allow a new ignition attempt. If the boiler
does not start, contact a qualified technician for
assistance (e.g. Immergas After-Sales Technical
Assistance Service).
General alarm. This type of error is displayed
on the CAR or Super CAR remote control in
the case of breakdown or anomalies of the P.C.B.
or components not directly connected to boiler
management: anomaly on the zone control unit,
138
substation or solar circuit. For this anomaly,
contact a qualified technician for assistance (e.g.
Immergas After-Sales Service).
Return probe anomaly. In this condition the
boiler does not correctly control the pump if set
as "Auto". The boiler continues functioning but
to eliminate the anomaly, contact a qualified
technician for assistance (e.g. Immergas After-
Sales Technical Assistance Service).
Push button control panel anomaly. This occurs
when the circuit board detects an anomaly on the
push button control panel. If normal conditions
are restored the boiler restarts without having
to be reset. If this anomaly persists, contact a
qualified technician for assistance (e.g. Immergas
After-Sales Technical Assistance Service).
Insufficient circulation. This occurs if there
is overheating in the boiler due to insufficient
water circulating in the primary circuit; the
causes can be:
- low circulation; check that no interception
devices are closed on the central heating circuit
and that the system is free of air (deaerated);
- pump blocked; free the pump.
If this phenomenon occurs frequently, contact a
qualified technician for assistance (e.g. Immergas
After-Sales Technical Assistance Service).
Loss of remote control communication. This
occurs in the case of connection to a remote
control that is not compatible or if there is a loss
of communication between the boiler and CAR
remote control or Super CAR remote control. Try
the connection procedure again by turning the
boiler off and then back on again. 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 boiler itself. In this case
the boiler cannot activate the "Central Heating
("CH ON") function. To make the boiler function
in "CH ON" mode, activate the "P33" function
present inside the "M3" menu. If this phenom-
enon occurs frequently, contact a qualified tech-
nician for assistance (e.g. Immergas After-Sales
Technical Assistance Service).
Low power supply voltage. This occurs when
the power supply voltage is lower than the al-
lowed limits for the correct functioning of the
boiler. If normal conditions are restored, the
boiler re-starts without having to be reset. If
this phenomenon occurs frequently, contact a
qualified technician for assistance (e.g. Immergas
After-Sales Technical Assistance Service).
Loss of flame signal. This occurs when the boiler
is ignited correctly and the burner flame switches
off unexpectedly; a new attempt at ignition is
performed and if normal conditions are restored,
the boiler does not have to be reset (this anomaly
can be checked in the list of errors P19 present
in the "M1" menu). If this phenomenon occurs
frequently, contact a qualified technician for
assistance (e.g. Immergas After-Sales Technical
Assistance Service).
Solar collector probe anomaly. If the board
detects an anomaly on the solar collector probe,
the boiler continues to function regularly without
the intake of solar energy for heating the DHW
as the solar pump stops working. A qualified
technician must be called (e.g. Immergas After-
Sales Service).
Solar cylinder probe anomaly. If the board
detects an anomaly on the solar cylinder probe,
the boiler continues to function regularly without
the intake of solar energy for heating the DHW
as the solar pump stops working. A qualified
technician must be called (e.g. Immergas After-
Sales Service).
High temperature on the solar collector.
This occurs when the temperature of the solar
collector exceeds the maximum limit set. If
this phenomenon occurs frequently, contact a
qualified technician for assistance (e.g. Immergas
After-Sales Technical Assistance Service).
High temperature on the solar cylinder. This
occurs when the temperature of the water in the
solar cylinder exceeds the maximum limit set.
If this phenomenon occurs frequently, contact a
qualified technician for assistance (e.g. Immergas
After-Sales Technical Assistance Service).
Signalling and diagnostics - Display of the
Remote Controls (Optional). During normal
boiler functioning the remote control display
shows (CAR remote control or Super CAR re-
mote control) the room temperature value; in the
case of malfunctioning or anomaly, the display of
the temperature is replaced by the relative error
code present in the table (Par. 2.7).
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