44
925.916.2 - GBINSTRUCTIONS PERTAINING TO THE USER
3.9
fault warnIngs table
All the faults are displayed in order of importance; if several faults occur simultaneously, the rst to be displayed is the one
with highest priority. After the cause of the rst fault has been removed, the second one will be displayed, and so on.
If any given fault occurs frequently, contact the authorised Service Centre.
action required
call the authorised service centre.
call the authorised service centre.
call the authorised service centre.
call the authorised service centre.
press the reset key (for about 2 seconds: if this device is triggered
repeatedly, call the authorised service centre)
call the authorised service centre.
call the authorised service centre.
call the authorised service centre.
press the reset key (for about 2 seconds); if the fault persists, call the
authorised service centre)
Press the reset button if the display presents the
,
symbol, otherwise
switch off the boiler at the mains and switch it on again after 10 seconds.
If the fault persists, call an authorised service centre. Check the position
of the ignition electrodes (chapter
19).
press the key again (about 2 seconds)
Press and hold reset button (2 seconds approx.) then press again when
warning E153 appears
call the authorised service centre.
check that the system is at the rated pressure. (refer to the section
on lling the system). if the fault persists, call the authorised service
centre.
Fault description
outdoor temperature probe sensor failure
ntc output sensor failure
NTC central heating return
sensor failure
domestic hot water ntc sensor failure
safety or ue gas thermostat tripped
loss of ame during operation (the ionization current
has fallen below the limit)
minimum fan speed limit is hurt
oor thermostat tripped
no gas
boiler circuit board error
the reset key has been pressed inappropriately
internal error on boiler circuit module
fan speed threshold not reached
no hydraulic differential pressure switch enabling
signal
Fault
code
E10
E20
E40
E50
E110
E128
E129
E132
E133
E151
E153
E154
E160
E164
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