e005
Moderate
Bosch · Ovens & Ranges
Communication / power supply error
Quick Answer
Error code E005 on your Bosch Ovens & Ranges means: Communication / power supply error. This is usually fixable — see the step-by-step guide below.
Affected Models
Applies to all models
Likely Causes
How to Fix It
1
Turn off the oven at the circuit breaker and wait 5 minutes.
2
Check the outlet voltage using a voltmeter to ensure 220-240V is being supplied.
3
Inspect the power cord for any damage.
4
Access the oven and inspect internal wiring connections for loose or damaged wires.
5
Tighten connections between the display board and main relay board.
6
If the circuit breaker trips again, consult an electrician.
7
If the error persists after checking all connections, contact a Bosch technician.
Pro Tip
This fix requires some technical knowledge. If you're unsure about any step, consider contacting support or a qualified technician.
Parts You May Need
Voltmeter
Wiring harness (if damaged)
Display module (if faulty)
Related Error Codes