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Bosch boiler error F7
False flame signal. The control sees a flame when the burner is off.
Serious · needs a technician
F7
Meaning: False flame signal
What causes F7
The control sees a flame when the burner is off.
What to do
A technician must check the electrodes and control board.
Can I fix it myself?
No. This is a fault a technician should handle; keep using the appliance and it can get worse or become unsafe.
If the code comes back
Book a visit and add the code to the booking. A technician arrives knowing which parts to bring, diagnoses the boiler for a flat $89 and gives you an exact quote before doing any work.
Same boiler
Other Bosch boiler codes
Different appliance?
F7 on other machines
- GE oven & rangeStuck key