Baxi DUO-TEC Instruction Manual For Users And Fitters page 17

134
Gas valve blocked
Internal board error
135
Gas valve connection error
154
160
Fan fault
178
temperature system
317 162
384 164
385 165
Check the gas supply pressure.
Check the integrity and position of the sensing and ignition
POSITIONING THE ELECTRODES section).
If necessary, replace the electronic board.
electronic board.
See the actions indicated in E109
Check correct operation of the fan.
electronic board.
Check correct operation of the gas valve.
Input voltage V<175V.
reasons other than the boiler. If so, contact the electricity
provider.
(resistance decreases as temperature rises).
(resistance decreases as temperature rises).
(resistance decreases as temperature rises).
39 7733595 (01-05/19)