Bosch Dishwasher Error Codes: E01 Through E15 Explained
Bosch dishwashers display E-codes (E01 through E15) on the control panel when a problem is detected. Some are simple fixes you can handle yourself. Others indicate a component failure. Here's the complete reference.
Error Code Reference
| Code | Meaning | Cause | Fix |
|---|---|---|---|
| E01 | Water supply issue | Not enough water entering | Check inlet valve is open. Clean inlet filter (behind hose connection). Check water pressure |
| E02 | Drainage problem | Water not draining | Clean the drain filter (bottom of tub). Check drain hose for kinks. Clean garbage disposal connection if applicable |
| E03 | Salt level low | Salt reservoir empty | Fill salt reservoir. Run a rinse cycle after refilling |
| E04 | Rinse aid low | Rinse aid reservoir empty | Fill rinse aid reservoir. Adjust setting (3-6 is typical) |
| E05 | Door not closed properly | Door latch or seal issue | Check door is latched. Inspect door seal for debris. Check latch mechanism |
| E06 | Water temperature too high | Supply water exceeds limit | Let hot water cool. Check water heater temperature (should be 120-140°F) |
| E07 | Water temperature too low | Supply water too cold | Check water heater is working. May need to run a hot water pre-fill |
| E08 | Drain pump fault | Pump not operating | Clean drain area. If clear, pump may be faulty — service call |
| E09 | Float switch issue | Float not moving freely | Clean area around float switch. Ensure it moves up and down freely |
| E10 | Heating element fault | Element not heating | Test element with multimeter (should read 20-50Ω). Replace if open circuit |
| E11 | Control board error | Electronic fault | Unplug 5 min. If recurs, control board replacement — service call |
| E12 | Wiring harness issue | Connector loose or damaged | Check internal wiring. Re-seat connectors. Service call if damaged |
| E13 | Sensor fault | Water level or temperature sensor | Unplug 5 min. If recurs, sensor replacement — service call |
| E14 | Motor fault | Circulation pump not running | Check for foreign objects. If clear, pump motor replacement — service call |
| E15 | Leak detected | Water leaking from tub | Inspect door seal, inlet connection, and drain. Look for water at bottom of tub |
Reset Procedure
- Turn dishwasher off
- Unplug or turn off circuit breaker for 5 minutes
- Restore power
- Press Power/Start
Most common call: E02 (drainage) is the #1 Bosch dishwasher call. In 80% of cases, it's a clogged drain filter or a kinked drain hose. Check these before assuming the drain pump is dead.