Browse 32 Bosch dishwasher error-code guides with exact meanings, display variants, safe first checks, model warnings, and official support references.
Codes covered: E01, E02, E03, E04, E05, E06, E07, E08, E09, E10, E11, E12, E14, E15, E16, E17, E18, E19, E20, E21, E22, E23, E24, E25, E26, E27, E28, E30, E31, E32, E34, E90.
Bosch can reuse similar displays across product families. The exact dishwasher manual is the deciding source when a code differs by market or production year.
Select the characters exactly as shown. Each guide separates safe user checks from model-specific service work.
The E01 display on many Bosch dishwashers indicates that the power module detected a fault. Codes can vary by model, so match the full model number to the official manual before ordering parts.
The E02 display on many Bosch dishwashers indicates that the control electronics detected a fault. Codes can vary by model, so match the full model number to the official manual before ordering parts.
The E03 display on many Bosch dishwashers indicates that an auxiliary control circuit is abnormal. Codes can vary by model, so match the full model number to the official manual before ordering parts.
The E04 display on many Bosch dishwashers indicates that a heating-related control fault was detected. Codes can vary by model, so match the full model number to the official manual before ordering parts.
The E05 display on many Bosch dishwashers indicates that an internal switching fault was detected. Codes can vary by model, so match the full model number to the official manual before ordering parts.
The E06 display on many Bosch dishwashers indicates that the door sensor is not reporting correctly. Codes can vary by model, so match the full model number to the official manual before ordering parts.
The E07 display on many Bosch dishwashers indicates that the drying fan is not operating correctly. Codes can vary by model, so match the full model number to the official manual before ordering parts.
The E08 display on many Bosch dishwashers indicates that the water level is too low for heating. Codes can vary by model, so match the full model number to the official manual before ordering parts.
The E09 display on many Bosch dishwashers indicates that the heating element is not operating. Codes can vary by model, so match the full model number to the official manual before ordering parts.
The E10 display on many Bosch dishwashers indicates that the heating or drying system may be scaled. Codes can vary by model, so match the full model number to the official manual before ordering parts.
The E11 display on many Bosch dishwashers indicates that the temperature sensor is abnormal. Codes can vary by model, so match the full model number to the official manual before ordering parts.
The E12 display on many Bosch dishwashers indicates that the heating system may be restricted by limescale. Codes can vary by model, so match the full model number to the official manual before ordering parts.
The E14 display on many Bosch dishwashers indicates that the flow meter signal is abnormal. Codes can vary by model, so match the full model number to the official manual before ordering parts.
The E15 display on many Bosch dishwashers indicates that AquaStop or base leak protection is active. Codes can vary by model, so match the full model number to the official manual before ordering parts.
The E16 display on many Bosch dishwashers indicates that uncontrolled water entry was detected. Codes can vary by model, so match the full model number to the official manual before ordering parts.
The E17 display on many Bosch dishwashers indicates that the incoming water flow is too high. Codes can vary by model, so match the full model number to the official manual before ordering parts.
The E18 display on many Bosch dishwashers indicates that the dishwasher is not receiving enough water. Codes can vary by model, so match the full model number to the official manual before ordering parts.
The E19 display on many Bosch dishwashers indicates that an internal valve circuit is abnormal. Codes can vary by model, so match the full model number to the official manual before ordering parts.
The E20 display on many Bosch dishwashers indicates that the circulation pump is abnormal. Codes can vary by model, so match the full model number to the official manual before ordering parts.
The E21 display on many Bosch dishwashers indicates that the circulation pump is blocked. Codes can vary by model, so match the full model number to the official manual before ordering parts.
The E22 display on many Bosch dishwashers indicates that the filter area is blocked. Codes can vary by model, so match the full model number to the official manual before ordering parts.
The E23 display on many Bosch dishwashers indicates that the drain-pump circuit is abnormal. Codes can vary by model, so match the full model number to the official manual before ordering parts.
The E24 display on many Bosch dishwashers indicates that the dishwasher cannot drain. Codes can vary by model, so match the full model number to the official manual before ordering parts.
The E25 display on many Bosch dishwashers indicates that the drain pump or cover is blocked. Codes can vary by model, so match the full model number to the official manual before ordering parts.
The E26 display on many Bosch dishwashers indicates that the water switch or flow control is abnormal. Codes can vary by model, so match the full model number to the official manual before ordering parts.
The E27 display on many Bosch dishwashers indicates that the incoming voltage is too low. Codes can vary by model, so match the full model number to the official manual before ordering parts.
The E28 display on many Bosch dishwashers indicates that the turbidity sensor signal is abnormal. Codes can vary by model, so match the full model number to the official manual before ordering parts.
The E30 display on many Bosch dishwashers indicates that the leak-protection system is active. Codes can vary by model, so match the full model number to the official manual before ordering parts.
The E31 display on many Bosch dishwashers indicates that the drying system is abnormal. Codes can vary by model, so match the full model number to the official manual before ordering parts.
The E32 display on many Bosch dishwashers indicates that the water-inlet control needs checking. Codes can vary by model, so match the full model number to the official manual before ordering parts.
The E34 display on many Bosch dishwashers indicates that the water flow-control system is abnormal. Codes can vary by model, so match the full model number to the official manual before ordering parts.
E90 is not included in Bosch's standard US dishwasher error-code list. Do not copy the meaning from a Bosch dryer or another appliance. Record the complete dishwasher E-Nr, confirm the display, and use the model-specific manual or Bosch support.
A letter can resemble a number on a segmented display, and spaces or separators can change the diagnosis. Photograph the display before clearing it, note when it appears, and compare the complete model identifier with official Bosch support.
Troublio groups codes by both brand and device so a meaning from a dryer, dishwasher, washer, or printer is not applied to the wrong product. Every linked guide includes likely causes, checks in order, stop conditions, model warnings, and available official references.