E09 — Heating Element Short to Ground
Bosch's official US washer codes use an E:XX / F-code / icon format; a bare 'E09' is not in the official US list. The 'heating element short to ground' explanation below is not confirmed on Bosch's US consumer page — verify against your model's manual.
- Keep using it?
- Limited use only
- DIY difficulty
- Hard
- Verified against
- bosch-home.com ↗
How to fix it
- Unplug the washer immediately and do not run cycles.
- Remove the front or rear panel for heater access.
- Disconnect heater wires and measure resistance from each terminal to ground (should read OL/infinite).
- If any terminal shows continuity to ground, replace the heating element.
- Inspect and replace the terminal block if charred.
- Repair any chafed wiring before powering on.
Why it happens
Typical signs: Cycle aborts during heat phase · Tripped GFCI or breaker · Tingling shock from cabinet (unplug immediately) · Hot wash settings unavailable
- Heating element shorted to sheath Internal coil contacts the metal sheath/ground.
- Burnt heater terminal block Connection arcing has carbonized the holder.
- Wiring chafed against tub Insulation worn through, conductor grounds out.
- Water intrusion into heater connector Leak from door seal drips onto heater terminals.
Parts you may need
If diagnosis points to a failed part, these are the common replacements. As an Amazon Associate we earn from qualifying purchases.
- Heating element with NTC Common replacementAmazon →
More Bosch washer codes
Always unplug an appliance before servicing it. This guide is for informational purposes and is not a substitute for a qualified technician. Verified against manufacturer documentation: bosch-home.com.