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7217395.01 - en
INSTRUCTIONS PERTAINING TO THE USER
9.
ERROR MESSAGES AND TABLE OF FAULTS
To maintain efcient and safe operation of your boiler have it checked by a Qualied Service Engineer at the end of every
operating period.
Careful servicing will ensure economical operation of the system.
Do not clean the outer casing of the appliance with abrasive, aggressive and/or easily ammable cleaners (i.e.: gasoline,
alcohol, and so on). Always isolate the electrical supply to the appliance before cleaning it (see section 6).
10. SERVICING INSTRUCTIONS
ERROR CODE Description of FAULTS CORRECTIVE ACTION
E01 Gas supply fault
Press the button (gure 1) for at least 2 seconds. If this
fault persist, call an authorised Service centre.
E02 Safety thermostat sensor tripped
Press the button (gure 1) for at least 2 seconds. If this
fault persist, call an authorised Service centre.
E03
Flue thermostat sensor tripped / Flue pressure
switch tripped
Call an authorised Service centre.
E04 Safety error due to frequent ame loss Call an authorised Service centre.
E05 Central heating NTC sensor fault Call an authorised Service centre.
E06 Domestic Hot Water NTC sensor fault Call an authorised Service centre..
E10 Water pressure LOW
Check that the pressure in the system is as specied.
See Section 5. If this fault persist, call an authorised
Service centre.
E11
Safety thermostat for low temperature system
cuts in (if connected)
Call an authorized Service centre
E25
Boiler max temperature exceeded (probable
pump jammed)
Call an authorized Service centre
E35 Fault ame (parasitic ame)
Press the button (gure 1) for at least 2 seconds. If this
fault persists, call an authorized Service centre
E97
Electronic board input frequency (Hz) incorrectly
set
Change the frequency (Hz) setting
E98 Internal card error Call an authorised Service centre.
E99 Internal card error Call an authorised Service centre.
Note: when an anomaly occurs, the display background flashes with the error code.
The anomalies are carried out on the display with an error code (e.g. E01).
The anomalies which can be reset by the user are shown with the
symbol (e.g. gure 4).
The anomalies which cannot be reset are carried out with the symbol (e.g. gure 4.1).
To RESET the gas boiler, press
button for at least 2 seconds.
Figure 4
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Figure 4.1
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