ErrorKhoj

Bosch Dishwasher

Bosch Dishwasher E09 error

Heating fault

Needs a technicianCross-checked from 2+ sources

Try a reset once. If it comes back, a trained technician should repair it.

What it means

The water or oven did not heat up as expected, or the heating circuit has a fault.

Common causes

  • Faulty heating element
  • Temperature sensor fault
  • Hard-water scale on the heater
  • Wiring or board fault

Try this at home first

Tick each step as you go

When to call a technician

A technician should test the heater and sensor. Don’t open the appliance — it uses mains voltage.

Safety first

Always switch off at the wall socket or MCB before touching any part. Do not open the outdoor unit, control boards or gas pipes yourself — they carry high voltage and pressure.

Frequently asked questions

What does E09 mean on a Bosch Dishwasher?

Heating fault. The water or oven did not heat up as expected, or the heating circuit has a fault.

Can I fix Bosch Dishwasher error E09 myself?

You can try a reset first: Switch off and restart. If the code returns, call a technician.

Is it safe to keep using the Dishwasher with E09?

Avoid repeated restarts; running with this fault can cause more damage.

Other Bosch Dishwasher codes

E01 Control board (PCB) fault E14 Water not filling / water supply problem E15 Water leak detected E16 Too much water (overflow) E17 Water not filling / water supply problem E18 Water not filling / water supply problem E22 Filters blocked

All Bosch Dishwasher error codes

Same code on other brands

E9 Water leak detectedIFB Washing Machine E9 Memory (EEPROM) error — control boardBlue Star AC E9 High pressure / overload protectionHaier AC E9 Drain / water overflow protectionGree AC

Sources

We write every explanation in our own words from these references.

Last checked: 2026-10-20