39
INSTALLER Section (en)
7651556.01 (1-01/16)
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.
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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
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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.
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electronic board.
178
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temperature system
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317 162
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321 163
17&GRPHVWLFKRWZDWHUVHQVRUIDXOW\ See the actions indicated in E20
384 164
3DUDVLWHÀDPHLQWHUQDOHUURU Check correct operation of the gas valve.
385 165
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Input voltage V<175V.
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reasons other than the boiler. If so, contact the electricity
provider.
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(resistance decreases as temperature rises).
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(resistance decreases as temperature rises).
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(resistance decreases as temperature rises).
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