Short answer: Most Bosch service calls are dishwashers reporting E-codes for drainage, anti-flood, or heating faults. Ovens and cooktops fail at elements, sensors, and igniters. The E-code narrows the search; we confirm the cause with meters.
Dishwashers and the E-Code System
Bosch dishwashers post E-codes that map to subsystems: E15 for anti-flood, E24 for drainage, E22 for filter or circulation, and E09 for the flow heater. The code points the technician at the right area, and we confirm the failed part before replacing it. Most calls are drainage and anti-flood.
Ovens and Cooktops
Bosch wall ovens fail at the bake element, temperature sensor, or relay board when they stop heating; induction cooktops occasionally drop a zone from a coil or control fault. These are diagnosed with meters rather than a code and repaired with Genuine OEM Parts.
Keeping a Bosch Reliable
Clean the dishwasher filter regularly, do not let the anti-flood tray sit wet, and address a slow drain early. On ovens, a drifted sensor is worth correcting before it affects baking. Small attention keeps the common faults from escalating.
Error & Symptom Reference
| Code/area | Meaning | Fix |
|---|---|---|
| E15 | Anti-flood tray water | Find leak, dry tray |
| E24 | Drainage fault | Clear drain, test pump |
| E22 | Filter/circulation | Clean filter, clear restriction |
| E09 | Flow heater fault | Test/replace heater |
| Oven no heat | Element or relay | Test circuit, replace part |
What to Check Before Booking
Several Bosch components can produce this reading, so a methodical check is faster than replacing parts one by one. We work through the likely causes in order, so you pay to fix the real problem on your Bosch unit, not a list of guesses. Noting the model number and the exact wording of any code lets us bring the right part. Diagnostic and travel fees, if applicable, are confirmed before the appointment and before repair approval.
Want This Handled for You?
Book a diagnosis. Diagnostic and travel fees, if applicable, are confirmed before the appointment and before repair approval.