Bosch Oven e101 — What It Means & How to Fix It
e101 is the temperature-sensor fault — the oven's probe isn't reading correctly. Bosch's steps: verify the power cord connection, then run the five-minute reset.
What this code means
On Bosch freestanding ranges, e101 reports the temperature sensor malfunctioning — the probe the oven uses to judge cavity heat is returning readings the control can't trust. Bosch's official sequence starts with a genuinely useful owner check — verifying the power-cord connection so the wires match the appliance properly — then the five-minute breaker reset, then service if it persists.
Bosch's freestanding-ranges page documents e101's wording and its cord-plus-reset sequence. On wall ovens the same sensor fault can present differently, so this checklist belongs to freestanding ranges specifically.
Most likely causes
| Cause | How likely | DIY-fixable? |
|---|---|---|
| One-off sensor or control misread | Common | Yes — 5-minute reset |
| Poor power connection feeding the board | Occasional | Partly — cord check, safely visible ends |
| Failed temperature sensor | Occasional | No — technician job |
| Wiring fault between sensor and board | Less common | No — technician job |
What you can try yourself
- Confirm the range's power cord is connected properly, with the wire colors matched as in the manual — have an electrician handle the connection end if it isn't clearly visible.
- Switch the range off at the breaker and wait five minutes.
- Switch on and test the oven in a normal bake; watch the temperature display for jumps.
- If e101 returns, book service — the sensor sits in the cavity and needs a technician's meters.
- Mention whether the displayed temperature swings wildly or sits frozen; it narrows the diagnosis.
When to call a technician
- e101 persists after a verified cord connection and full reset.
- The oven heats erratically — swinging hot then cold — alongside the code.
- Any scorching around the cord connection point.
Typical professional repair cost: The reset and connection check are free. A temperature-sensor replacement is a compact service job — quoted by your service partner.
Frequently asked questions
Why would a power-cord check fix a temperature sensor error?
The sensor's readings are interpreted by the board, and a poor feed can make those readings erratic. Bosch lists checking the cord connection first precisely because it's the reachable, cheap reason a sensor can look failed.
Can I replace the temperature sensor myself?
The sensor lives in the hot cavity on mains-fed electronics, and e101's own page routes persistent cases to service. Do the free checks, then hand the meters to the technician.
Sources checked
Error meanings can vary by model. This guide was checked against the documentation above; use the manual for the model number on your own appliance when it differs.
Related Bosch codes
- Bosch Oven E11 E11 is the touch-control code — the panel read something it didn't expect, and condensation on a cold panel is the classic trigger. Dry it, power-cycle, retry.
- Bosch Oven e005 e005 is a communication fault between the range's user interface and its power board. The five-minute breaker reset is the documented first step.
- Bosch Oven e011 e011 is the touch-sensor fault on the oven control panel. Bosch's path: clean and dry the panel, breaker off five minutes, then test.
- Bosch Oven E100 E100 is the range's general electronics-fault message. Run the documented five-minute breaker reset once — persistent E100 belongs to a technician.
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