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Kelly, Appliance Technician
Category: UK Appliance
Satisfied Customers: 18590
Experience:  Highly accurate diagnostician with over 30 years experience!
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I have a bosch ceran hob small red light flashes. Tried

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I have a bosch ceran hob small red light flashes.

Tried reset as suggested holding down on/0ff button as same time as holding down ring option button 3-5 secs.

Then flashes with the letter "E" for all number settings re heat for each hob?

Any further ideas?
Hi, welcome to Just Answer. My name is XXXXX XXXXX I look forward to helping you! Since the soft reset did nothing, let's try a hard reset with the electronics. Disconnect power at the mains for at least 2 hours and see if the behavior changes.
Customer: replied 3 years ago.
Hello the hob has a mains isolator switch that has been turned off for over two hours.
The situation remains unchanged any further suggestions?
May I please have your model number so I am able to provide you with accurate, model specific information?
Customer: replied 3 years ago.
Hello I cannot see a model number on the hob.
We did not purchase it was in kitchen when we moved in.
But it has been in property since approx 2007?
It has a a label on top left of hob stating ceran.
The model is bosch.
The unit is sealed into work top.
Shall I take a photo to see if layout of rings and touch controls help?
The tag is likely on the bottom of the hob. I suspect your unit has the child lock feature activated. You will need to hold a button down for 10 seconds to release the lock, but without a model number, I am not sure which button.
Customer: replied 3 years ago.
I will see how to get underneath hob unit to find tag and revert back to you with s/n
I understand, thank you.
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