Dishwasher Diagnostics

Bosch Dishwasher
Error Codes

Meanings, severity levels, safe checks you can perform, and when to call a technician.

Enter the code shown on your dishwasher display

Is it safe to keep using it?

Depends on code severity. Low/Medium codes often allow continued use, High severity requires immediate stop.

Can error codes be reset?

Some codes clear after power cycle. Persistent codes indicate underlying issues needing repair.

When should I stop using it?

Stop immediately for water leak codes, burning smell, or any High severity error.

Most Common Codes

E25 E27 E24 E22 E17 E16 E15 E14 E12 E09

All Codes

E01 E03 E04 E09 E12 E14 E15 E16 E17 E22 E24 E25 E27

Error Code Directory

Click any code for detailed troubleshooting steps

Low Medium High

Code Meaning Severity Common Symptom

E01 Heating Element Failure High Food residue remains on dishes because water never reaches proper wash temperature. View E03 Water Fill Problem Medium The cycle initiates but the tub remains empty — no sound of water flowing in. View E04 Flow Sensor Failure Medium The dishwasher halts during a wash program, leaving dishes sitting in dirty water. View E09 Heat Pump Failure High Dishes come out with food residue because wash water remains cold throughout the program. View E12 Limescale Buildup Medium A chalky white film appears on glasses, especially after hot wash cycles. View E14 Flow Meter Failure Medium Water level in the tub is visibly too high or too low during wash cycles. View E15 Water Leak Detected High Visible water puddle underneath or in front of the dishwasher on the kitchen floor. View E16 Unexpected Water Fill High You find water accumulated in the tub even though no cycle has been started. View E17 Overfill Detected High Opening the door reveals water almost reaching the bottom of the door opening. View E22 Clogged Filter Medium Opening the dishwasher after a completed cycle reveals cloudy or dirty water at the bottom of the tub. View E24 Drain Blockage Medium After a cycle ends, an inch or more of water remains pooled at the bottom of the dishwasher. View E25 Drain Pump Blocked Medium An unusual gurgling, humming, or grinding noise comes from beneath the dishwasher tub during drain cycles. View E27 Low Voltage Detected Low The unit powers down unexpectedly during a wash program, especially when the heater or motor kicks in. View

Bosch DishwasherError Codes