39
INSTALLER Section (en)
7219623.01 (1-04/15)
133
Ignition failure (5 attempts)
Check that the gas valve is open and there is no air in the gas
supply circuit.
Check the gas supply pressure.
See the actions indicated in E92
Check correct operation of the condensate drainage.
134
Gas valve blocked
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.
135
Internal board error Replace the electronic board.
154
Delivery/return probe control test See the actions indicated in E109
160
Fan fault
Check correct operation of the fan.
electronic board.
178
temperature system
317 162
321 163
See the actions indicated in E20
384 164
Check correct operation of the gas valve.
385 165
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).
In the event of a fault, the display backlighting indicates the error code. 5 reset attempts can be performed after which the
boiler shuts down. Wait 15 minutes before attempting to reset the boiler again.
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