79
INSTALLER
USERMAINTENANCE TECHNICIAN
TECHNICAL DATA
Error
Code
Anomaly signalled Cause Boiler status / Solution
47
Burner power
limitation
Should ue high temperature be detected, the boiler reduc-
es power supplied so as not to damage it.
(1).
49
High temperature
block on return probe
e temperature measured by the return probe is above
90°C. e block is with manual reset.
e error disappears when the
temperature detected by the return
probe drops below 70°C. Press the
Reset button (1)
51
CAR Wireless
communication
failure
If there is no communication between the boiler and Wire-
less version CAR, an anomaly is signalled. From this mo-
ment, it is only possible to control the system by means of
the control panel of the boiler itself.
Check operation of the Wireless CAR,
check the battery charge (refer to the
relative instructions booklet).
60
Anomaly pump
blocked
Circulator stopped due to one of the following causes:
Blocked impeller, electrical fault.
Try to unblock the pump as described
in the relative section. If normal
conditions are restored the boiler
restarts without having to be reset (1).
61 Air in circulator Air is detected inside the pump; the pump cannot work.
Vent the pump and the central heating
circuit. If normal conditions are
restored the boiler restarts without
having to be reset (1).
70
Return/ow probe
exchange
In case of an incorrect boiler wiring connection the error is
detected.
e boiler does not start (1).
75
Return and/or ow
probe malfunction
Possible failure of one or both system return and ow
probes.
e boiler does not start (1)
76
Flow and/or return
probes temperature
dri
A malfunction of one or both system return and ow
probes is detected.
e boiler does not start (1)
(1) If the shutdown or fault persists, contact an authorised company (e.g. Authorised Service Centre)
(2) e anomaly can only be veried in the list of errors in the “Information” menu
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