Error code
Bosch error code E or F
Bosch error code E or F: the electronics have logged something they cannot describe more precisely. What the code covers, what to check first, and what it does not tell you — on cooktops & rangetops and ranges.
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What we can confirm
Code E or F, from the manufacturer's own documentation
A code is only meaningful together with the machine showing it — the same digits mean different things on different equipment.
The code
E or F
The electronics have logged something they cannot describe more precisely
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What it narrows down to
General electronics
What you are probably seeing
Diagnostic
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What it looks like from the kitchen
The symptom this code usually arrives with
A code names the subsystem; the symptom is what sent you to look at the display in the first place. That page says what it usually turns out to be, cheapest cause first.
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Check the lock first Cooktop controls locked or unresponsive
A cooktop that beeps and refuses, or does nothing at all. The panel lock engages by accident constantly — from a wet cloth, a boil-over or a pan set down on the touch keys — and clearing it takes four seconds.
- Beeps but nothing happens
- A lock symbol on the display
- Everything flashing at once
On the same appliance
What else belongs to the cooktops & rangetops
On this make a code belongs to the appliance rather than to a product line. These are the other conditions this machine can display, and the models that can show this one — a display often has more than one thing to say, and the model number decides what any of it costs to put right.
Other codes this appliance can display
Supply voltage
Wired incorrectly
Zone overheated
Electronics overheated
Hot pan on the panel
Automatic time limit
Demo mode
Connection lost
Panel wet or covered
Controls locked
Self-maintenance
No power
The same digits mean different things on different equipment. Search the full code list
In more detail
About Bosch error code E or F
What this one means
The electronics have logged something they cannot describe more precisely.
The other ways your machine may say it
The same condition is published under more than one label, because it has been carried across generations of this appliance:
- E or F, D or E — the same condition, on machines of different ages
- A letter with a number after it — how a model with no digital display says it. On that machine, the lights are the code
What the code covers
A published cause names a circuit rather than a component, which is the single most useful thing to know before ordering a part. This one covers:
- Anything the appliance treats as an internal error
What to try yourself
- Disconnect the appliance from the power supply
- Wait a couple of seconds and reconnect it
- Write down the exact code including every character before you do
Then what
The catch-all. What makes it useful is the number after the letter, so photograph it — the manufacturer asks for the exact code when you call, and so do we.
This code is published for cooktops & rangetops and ranges. The full list of codes has the rest.
This article is based on:
- Official manufacturer documentation
- Internal repair procedures
- Technician repair history
- Company quality standards