VoltWikiIf a Bosch NGM burner will not light, turn it off, inspect the cooled burner parts and spark, and use the complete E-Nr retry timing.
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If one Bosch gas-cooktop flame is low or uneven, cool the cooktop and check cap position, dry burner parts, and accessible grooves.
Bosch igniter keeps clicking?
If a Bosch induction lock symbol is visible, use only the complete E-Nr unlock procedure and record any failed response on a clean, cool panel.
Bosch F2, F4, or E7015 means induction electronics overheated and the affected zone shut off.
Photograph the Bosch induction display and record whether one zone or the whole cooktop shuts off before any reset erases the state.
A flashing Bosch induction setting means the pan was not accepted; verify a suitable centered base, then preserve the one-pan comparison.
Bosch U400 means supply voltage is outside the normal range; preserve the code and E-Nr for measured branch and connection checks.