7219623.01 (1-04/15) 38
INSTALLER Section (en)
15. TROUBLESHOOTING SERVICE FAULTS
and a number (fault code). For a complete list of faults, see the
If appears on the display the fault must be RESET by the user.
for 2 seconds. If faults are displayed frequently, call the Authorised Service Centre.
Description of fault Service action
09
Gas valve connection error
electronic board.
10
External probe sensor faulty Check the sensor (*).
12
13
See the actions indicated in E12
15
Gas valve control error
electronic board. If necessary, replace the electronic board.
18
19
20
Check the sensor (**).
28
NTC fumes sensor faulty
Check the fumes NTC probe (***).
40
NTC return sensor faulty See the actions indicated in E20
50
See the actions indicated in E20
53
Fumes outlet obstructed
Check that the drainage pipe is free from obstructions.
seconds.
55
Electronic board not calibrated
Activate the automatic calibration function described in the
spare parts instructions sheet.
83…87
board or RF link.
92
Fumes fault during calibration (probable fumes recirculation)
Check for any recirculation of fumes.
Activate the automatic calibration function described in
the paragraph YEARLY MAINTENANCE – REPLACING
COMPONENTS.
109
Air in boiler circuit (temporary fault)
110
Safety thermostat tripped due to overtemperature (pump
probably blocked or air in heating circuit).
Check that the limit thermostat is undamaged and replace it if
necessary
117
Pressure in hydraulic circuit too high (> 2.7 bar)
Check that the pressure in the system is correct
See the FILLING THE SYSTEM section.
118
the FILLING THE SYSTEM section).
125
No circulation safety trip.
(control performed via a temperature sensor)
See the actions indicated in E109
128
and correctly positioned (see the ANNUAL SERVICING -
POSITIONING THE ELECTRODES section).
See the actions indicated in E92
129
and correctly positioned (see the ANNUAL SERVICING -
POSITIONING THE ELECTRODES section).
Check for any recirculation of fumes.
130
Fumes NTC tripped due to overtemperature
Check the fumes NTC probe (***).
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