ErrorKhoj

Bosch Dishwasher

Bosch Dishwasher E01 error

Control board (PCB) fault

Needs a technicianCross-checked from 2+ sources

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

Also shown as: E02 E03 E04 E05

What it means

The control board has detected a fault in its own electronics or settings.

Common causes

  • Power surge or unstable voltage
  • Moisture or insects on the board
  • Failed part or wrong setting on the board

Try this at home first

Tick each step as you go

When to call a technician

If the fault repeats, a technician must check or replace the board.

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 E01 mean on a Bosch Dishwasher?

Control board (PCB) fault. The control board has detected a fault in its own electronics or settings.

Can I fix Bosch Dishwasher error E01 myself?

You can try a reset first: Switch off at the MCB for 10 minutes and restart. If the code returns, call a technician.

Is it safe to keep using the Dishwasher with E01?

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

Other Bosch Dishwasher codes

E09 Heating 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

All Bosch Dishwasher error codes

Same code on other brands

E1 Indoor room temperature sensor fault / Indoor coil (evaporator) temperature sensor fault / Indoor fan motor fault / Memory (EEPROM) error — indoor unit boardSamsung AC E5 Indoor coil (evaporator) temperature sensor faultSamsung AC IE Water not filling / water supply problemLG Washing Machine OE Water not drainingLG Washing Machine dE Door / lid not closed or not lockingLG Washing Machine FE Too much water (overflow)LG Washing Machine 3C Motor / drum rotation faultSamsung Washing Machine bE2 Button stuck / keypad faultSamsung Washing Machine E-02 Cooking time set too longSamsung Microwave E1 High pressure / overload protection / Communication error (indoor ↔ outdoor unit) / Indoor room temperature sensor faultVoltas AC

Sources

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

Last checked: 2026-10-20