Diagnose an error
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Decode the error. Check the model. Choose the safest next step.
Search 135 verified code records, use guided diagnosis, save your appliances, compare repair-cost bands and jump to official manufacturer documentation.
135 verified code recordsSource links on code pagesLocal saved appliances
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Browse the database
Start with an appliance type
Each hub links into verified error codes and deeper troubleshooting resources.
Washer
Browse 83 verified records plus troubleshooting and model-number help.
83 verified codes · Browse →Dishwasher
Browse 45 verified records plus troubleshooting and model-number help.
45 verified codes · Browse →Dryer
Browse 2 verified records plus troubleshooting and model-number help.
2 verified codes · Browse →Refrigerator
Browse 3 verified records plus troubleshooting and model-number help.
3 verified codes · Browse →Oven
Browse 2 verified records plus troubleshooting and model-number help.
2 verified codes · Browse →Microwave
Browse 0 verified records plus troubleshooting and model-number help.
0 verified codes · Browse →Freezer
Browse 0 verified records plus troubleshooting and model-number help.
0 verified codes · Browse →Search results
Matching error codes
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Useful tools
More than a code list
Model lookup
Save the exact model and narrow resources without pretending compatibility.
Use model lookup →My appliances
Save appliances locally in your browser.
Open appliance cabinet →Repair costs
See 2026 UK ballpark ranges and cost drivers.
View cost guide →Maintenance checklists
Print or download practical maintenance lists.
Open checklists →Repair glossary
Understand component names used in manuals and fault descriptions.
Browse glossary →Recently added
See the latest verified records.
See updates →Data quality
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View methodology →Popular starting points
Common error-code families
E011
Button / control input fault
A control key may be stuck or receiving continuous input.
Full code guide →E09
Internal dishwasher fault
Bosch recommends professional diagnosis for this fault code.
Full code guide →E12
Limescale in heating system
Limescale build-up is affecting the heating system.
Full code guide →E14
Filling/water inflow fault
The dishwasher detects a filling-system or water-inflow problem.
Full code guide →E15
Water in base / leak protection active
The anti-flood system has detected water in the base.
Full code guide →E16
Filling/water inflow fault
The dishwasher detects a filling-system or water-inflow problem.
Full code guide →E19
Dispenser or internal valve fault
Bosch identifies a dispenser or internal-valve problem.
Full code guide →E22
Filters blocked
The dishwasher detects blocked or incorrectly seated filters.
Full code guide →Appliance Knowledge Center
Understand safety, maintenance and the systems behind the code.
Recall checking, how-it-works guides, component explanations, repair-vs-replace planning and owner education.
Safety
Recall checker
Search U.S. CPSC data and verify UK products with OPSS.
LearnHow appliances work
Plain-English operating sequences for common household appliances.
ComponentsComponent failure library
Pumps, valves, sensors, heaters, fans, locks and controls.
ContextIs this normal?
Separate expected clicks, pauses, warmth and long run times from red flags.
OwnershipRepair vs replace
A structured decision based on safety, diagnosis, cost, age and parts.
Browse allKnowledge Center
Search the complete informational library.
Important safety note
Use the exact model manual for model-specific procedures.
This site is an independent reference. Disconnect power where appropriate, shut off water before leak-related work, and use qualified service for gas, high-voltage, sealed refrigeration, microwave high-voltage, or internal repairs beyond basic user-accessible checks.
Expanded platform
Scan, track, maintain and verify
The database now includes local-first appliance tools plus production backend scaffolding.
New
Photo code scanner
OCR the appliance display locally and match verified code records.
NewOfficial manual finder
Use exact model data when verified, otherwise go straight to manufacturer support.
NewRepair history
Keep notes, maintenance and technician history for saved appliances.
NewMaintenance reminders
Create due dates and browser-local recurring tasks.
NewQR appliance labels
Print a QR return path for the appliance once the site is deployed.
NewDecision trees
Answer safe symptom questions to narrow the next step.
ReferenceParts & components
Understand common fault-related components without guessing compatibility.
All toolsOwner + editorial tools
Performance, quality control, Search Console import and admin workspace.