E09 Serious Hard — consider a tech

Bosch Washer E09 — Heating Element Short to Ground

Bosch Washer · Error code E09

What E09 Means

The heating element is drawing excessive current or shorting to chassis ground. The control disables the heater for safety.

Symptoms

  • Cycle aborts during heat phase
  • Tripped GFCI or breaker
  • Tingling shock from cabinet (unplug immediately)
  • Hot wash settings unavailable

Common Causes

1
Heating element shorted to sheath

Internal coil contacts the metal sheath/ground.

2
Burnt heater terminal block

Connection arcing has carbonized the holder.

3
Wiring chafed against tub

Insulation worn through, conductor grounds out.

4
Water intrusion into heater connector

Leak from door seal drips onto heater terminals.

How to Fix It

  1. Unplug the washer immediately and do not run cycles.
  2. Remove the front or rear panel for heater access.
  3. Disconnect heater wires and measure resistance from each terminal to ground (should read OL/infinite).
  4. If any terminal shows continuity to ground, replace the heating element.
  5. Inspect and replace the terminal block if charred.
  6. Repair any chafed wiring before powering on.

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.

More Bosch Washer Codes

All Bosch codes → All washer codes →

Verified against manufacturer documentation: bosch-home.com

Always unplug an appliance before servicing it. This guide is for informational purposes and is not a substitute for a qualified technician.