Appliance hub
Bosch Dishwasher Fault Codes
Browse the available Bosch dishwasher fault codes in one place, then open the exact code page for the likely meaning, safe first steps, and when to stop troubleshooting.
Browse the parent brand page: Bosch or compare across brands in the global dishwasher error-code hub.
Fault codes
25
Issue categories
6
Related guides
2
Most common faults to check first
Dishwasher E15
Anti-flood warning where water may have reached the base tray.
Dishwasher E24
Drainage fault linked to filters, hoses, or the waste connection.
Dishwasher E25
Blocked pump or drain route warning.
Dishwasher E09
Heating fault where water may not heat properly.
Dishwasher E01
Electronic control fault needing cautious escalation.
Common problems in this cluster
fill water problems
Start with E05, then compare 4 related code pages in this cluster.
heating problems
Start with E09, then compare 4 related code pages in this cluster.
power and control problems
Start with E03, then compare 4 related code pages in this cluster.
drainage problems
Start with E23, then compare 3 related code pages in this cluster.
leak and overflow problems
Start with E15, then compare 1 related code pages in this cluster.
circulation problems
Start with E04 for this common issue pattern.
Other appliance types for this brand
Common fault categories
fill water (5)
heating (5)
power and control (5)
drainage (4)
leak and overflow (2)
circulation (1)
Most searched / most useful codes
E03 meaning and fix
Control electronics have detected an internal fault
E02 meaning and fix
The dishwasher has detected an electronic control or relay fault.
E09 meaning and fix
The dishwasher is not heating water properly.
E27 meaning and fix
the dishwasher has detected low mains voltage.
E01 meaning and fix
the dishwasher has detected an electronic control fault.
E15 meaning and fix
The dishwasher anti-flood system has been triggered
E19 meaning and fix
a dishwasher valve or heat-exchanger related component may not be operating correctly.
E29 meaning and fix
the dishwasher has detected an internal power, control, or supply-related fault.
E30 meaning and fix
the dishwasher has detected a water safety, leak, or overfill-style problem.
E04 meaning and fix
Water switch or flow-control reading is abnormal
E05 meaning and fix
Water level or filling control is not reading normally
E06 meaning and fix
Door sensor or door switch signal fault
All fault codes in this cluster
25 code pages currently available for this brand and appliance cluster.
| Code | Meaning | Issue type | Severity |
|---|---|---|---|
| E01 | the dishwasher has detected an electronic control fault. | power control | high |
| E02 | The dishwasher has detected an electronic control or relay fault. | power control | high |
| E03 | Control electronics have detected an internal fault | power control | high |
| E04 | Water switch or flow-control reading is abnormal | circulation | medium |
| E05 | Water level or filling control is not reading normally | fill water | medium |
| E06 | Door sensor or door switch signal fault | door lock | medium |
| E07 | Drying fan or Zeolith drying system fault on selected models | fan flue | medium |
| E08 | Low water level in the wash system | fill water | medium |
| E09 | The dishwasher is not heating water properly. | heating | high |
| E10 | Drying system or heat-pump drying fault on selected models | heating | medium |
| E11 | Temperature sensor reading is outside the expected range | sensor | medium |
| E12 | Heating system has scale or reduced heat transfer | heating | medium |
| E13 | Incoming water temperature is too high | heating | medium |
| E14 | Flow meter or water intake measurement fault | fill water | medium |
| E15 | The dishwasher anti-flood system has been triggered | overflow leak | high |
| E16 | Water inlet valve or filling control fault | fill water | medium |
| E18 | the dishwasher is not getting enough water. | fill water | medium |
| E19 | a dishwasher valve or heat-exchanger related component may not be operating correctly. | heating | high |
| E22 | the filter or sump area is dirty, blocked, or restricting drainage. | drainage | medium |
| E23 | The dishwasher has detected a drain pump fault or blockage. | drainage | medium |
| E24 | The dishwasher is not draining properly. | drainage | medium |
| E25 | The drain pump area may be blocked or unable to move water properly. | drainage | medium |
| E27 | the dishwasher has detected low mains voltage. | power control | high |
| E29 | the dishwasher has detected an internal power, control, or supply-related fault. | power control | high |
| E30 | the dishwasher has detected a water safety, leak, or overfill-style problem. | overflow leak | high |
Useful guides
Dishwasher Not Draining: Safe Checks Before Calling an Engineer
Check the accessible filter, visible hose route, and sink or waste connection before arranging repair, but stop if water remains, the fault returns, or any leak or electrical concern appears.
When to Call an Appliance Engineer
Guidance on recognising when simple checks have been exhausted and it is time to arrange a repair.