ErrorCodeDoctor
Bosch · Dishwasher

Bosch Dishwasher E21 / E6002 error code

Difficulty: Hard · Cost: $100–$300 · Duration: 30s

The E21 or E6002 error means your Bosch dishwasher's heat pump is blocked. Reset power at the circuit breaker for 30 seconds. If the error returns contact a qualified technician.

Common causes

  • Heat pump is blocked with debris or limescale
  • Heat pump motor cannot operate due to a blockage

How to fix it

  1. 1

    Reset power at the circuit breaker for 30 seconds

  2. 2

    Turn the breaker back on and check if the error has cleared

  3. 3

    If the error returns contact a qualified technician

Related Bosch Dishwasher error codes

1

E01 / E0100

A heat pump motor circuit fault was detected at the main control board

hard
2

E02 / E03 / E0103 / E0107

A main control board relay fault was detected

hard
3

E04 / E0105

Faulty heater electronics were detected during self-test

hard
4

E05 / E0106

A wash arm diverter circuit fault was detected at the main control board

hard