Baxi DUO-TEC MAX+, Instruction Manual For Users And Fitters

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7651561.02 (1-03/16) 28
USER Section (en)
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The function is operative if: the boiler is electrically powered, there is gas, system pressure is normal and the boiler is not
blocked.
3. GAS CONVERSION
The boilers can operate both on natural gas (G20) and LPG (G31). All gas conversions must be made by the AUTHORISED
TECHNICAL SERVICE CENTRE.
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and a number (fault code). For a
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If appears on the display the fault must be RESET by the user.
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for 2 seconds. If faults are displayed frequently, call the
Authorised Service Centre.
Description of fault Action
09
Gas valve connection error Call the Authorised Service Centre.
10 External probe sensor faulty Call the Authorised Service Centre.
12
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Call the Authorised Service Centre.
13
+\GUDXOLFGLIIHUHQWLDOSUHVVXUHVZLWFKFRQWDFWVVWXFN
Call the Authorised Service Centre.
15
Gas valve control error Call the Authorised Service Centre.
18
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19
)DXOWLQV\VWHP¿OOLQJSKDVH
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for at least 2 seconds.
20
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Call the Authorised Service Centre.
28 NTC fumes sensor faulty Call the Authorised Service Centre.
40
NTC return sensor faulty Call the Authorised Service Centre.
50
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RQO\IRUKHDWLQJRQO\PRGHOZLWKVWRUDJHERLOHU
Call the Authorised Service Centre.
53
Fumes outlet obstructed
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If the fault persists, call the authorised
technical service centre
55
Electronic board not calibrated Call the Authorised Service Centre.
83…87
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Call the Authorised Service Centre.
92
Fumes fault during calibration (probable fumes
recirculation)
Call the Authorised Service Centre.
109
Air in boiler circuit
(temporary fault)
Call the Authorised Service Centre.
110
Safety thermostat tripped due to overtemperature (pump
probably blocked or air in heating circuit).
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for at least 2 seconds.
117 Pressure in hydraulic circuit too high (> 2,7 bar) Call the Authorised Service Centre.
118
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FILLING THE SYSTEM section.
125
No circulation safety trip
(control performed via a temperature sensor)
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for at least 2 seconds.
128
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for at least 2 seconds.
129
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Call the Authorised Service Centre.
130
Fumes NTC tripped due to overtemperature 3UHVVDQGKROGGRZQ
for at least 2 seconds.
133
Ignition failure (5 attempts) 3UHVVDQGKROGGRZQ
for at least 2 seconds.
134
Gas valve blocked 3UHVVDQGKROGGRZQ
for at least 2 seconds.
135 Internal board error
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for at least 2 seconds.