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Bosch Appliance Error Codes
Complete reference guide with 31+ error codes for Bosch appliances, including Thermador, Gaggenau. Find your error code below, understand the cause, and learn if it's a DIY fix or needs professional repair.
Parent company: BSH | Also covers: Thermador, Gaggenau
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| Code | Description | Severity |
|---|---|---|
| E01 | Heat pump motor error Causes: Heat pump motor failure, Wiring issue, Control board fault | high |
| E02 Also: E03 | Control board relay error Causes: Relay failure on control board, Board component fault, Power surge damage | high |
| E04 | Heater electronics error Causes: Heater control circuit failure, Triac fault, Board damage | high |
| E06 | Door sensor error Causes: Door sensor failure, Latch switch issue, Wiring fault | medium |
| E07 | Crystal Dry fan motor error Causes: Fan motor failure, Fan blade obstruction, Wiring issue | medium |
| E09 | Heating element error Causes: Heating element burned out, Element connection failure, Control board issue | high |
| E12 | Limescale in heat pump Causes: Hard water mineral buildup, Limescale deposits, Lack of rinse aid | medium |
| E14 | Flow meter error Causes: Flow meter sensor failure, Debris in flow meter, Wiring issue | medium |
| E15 | Water in base / leak protection Causes: Hose connection leak, Door seal failure, Pump seal issue, Float switch triggered | high |
| E16 Also: E17 | Water filling issue Causes: Inlet valve issue, Float switch malfunction, Water pressure problem | medium |
| E18 | Low water / pump issue Causes: Water supply turned off, Inlet hose kinked, Inlet valve clogged | medium |
| E22 | Filter blocked Causes: Food debris in filter, Clogged mesh screen, Lack of regular cleaning | medium |
| E24 Also: E25 | Drain issue Causes: Kinked drain hose, Clogged filter, Blocked garbage disposal connection | medium |
When to Call a Professional
- Error code returns after power reset
- Code is marked as high severity
- Appliance is leaking water, making unusual noises, or smells like burning
- You're not comfortable working with electrical or gas appliances
Bosch Error Codes — FAQ
What are the most common Bosch error codes?
The most common Bosch error codes relate to temperature sensors, drainage issues, motor errors, and communication failures. Check our complete list above for your specific code, or call EasyBear for professional diagnosis.
How do I reset my Bosch appliance after an error code?
For most Bosch appliances, unplug the unit or turn off the circuit breaker for 60 seconds, then restore power. If the error code returns after reset, the underlying issue needs professional repair.
Can I fix a Bosch error code myself?
Some Bosch error codes indicate simple issues like unbalanced loads, clogged filters, or suds buildup that you can fix yourself. Our table above marks each code as DIY-fixable or requiring professional service. For high-severity codes, always call a professional technician.
How much does Bosch appliance repair cost?
Bosch appliance repair cost depends on the specific issue, model, and parts needed. At EasyBear, diagnosis is always free when you proceed with the repair. Your technician provides a transparent quote after identifying the problem, so you know the exact cost before any work begins.
Does Bosch warranty cover error code repairs?
Bosch manufacturer warranty typically covers defects for 1-2 years from purchase. Some components (like LG linear compressors) have extended coverage. Our technicians can verify your warranty status and handle claims. Even out-of-warranty repairs are affordable with EasyBear.
Do Thermador and Gaggenau use the same error codes as Bosch?
Thermador, Gaggenau are part of the Bosch family and often share similar platforms and error code systems. However, some models may have unique codes. Our reference covers error codes for all brands in this family.