Bosch · Dishwasher error code
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Guide · DishwasherPoor cleaning is usually low water temperature, a clogged filter, blocked spray-arm holes, or loading that blocks the arms. Check those before parts like the wash motor or heater.
Guide · DishwasherConfirm the supply water is hot first, then test the heater (or Bosch heat pump heater), the high-limit and the thermistor. If all test good, suspect the heater relay on the control.
Guide · DishwasherA GFCI trip means current leaking to ground, often from a cracked heating element, water on heater terminals, or a leaking pump. Isolate loads one at a time with power off.
Bosch · Dishwasher
E01 / E0100
Control board fault (pump/heater circuit)
Bosch · Dishwasher
E02 / E0103
Control board relay fault
Bosch · Dishwasher
E03
Control board relay fault
Bosch · Dishwasher
E04 / E0105
Heating electronics fault
Bosch · Dishwasher
E05 / E0106
Diverter circuit fault (per Bosch)
Bosch · Dishwasher
E06 / E8000
Door sensor circuit fault