Bosch · Washing Machine
Bosch Washing Machine E17 Error Code
Water did not fill within the time limit
What this error means
E17 (F17) is Bosch's insufficient-fill fault. The inlet valves opened but the flow meter never registered enough liters within the programmed window—often within the first two minutes of a cycle on Serie 4 and 6 front-loaders.
How E17 is detected
When E17 appears on a Bosch washing machine, the control board has confirmed that water did not leave the machine within the programmed drain window. On Bosch WAT28400UC, Bosch WGG254AXUC, and similar variants, the drain pump runs for a fixed interval—often three to seven minutes on washers and dishwashers—while a pressure switch or turbidity sensor verifies the tub or sump is empty. If water remains, the cycle stops to prevent spin with a full tub or overflow on the next fill.
Most E17 calls are resolved without parts: confirm both supply taps are fully open on dual-inlet models. Restricted drain paths mimic pump failure because the impeller spins against a blocked hose or filter. Document whether the pump hums audibly during the drain step; a humming pump with no water movement points to a clogged filter or kinked hose, while silence may indicate a failed pump motor or loose wiring at the harness.
After clearing blockages, run a short cycle and listen at the drain hose for steady water flow. If E17 returns on the next load with a clean filter and straight hose, measure resistance at the pump motor connector per the service manual for your model before ordering a replacement pump assembly.
Common causes
- Wall supply valve closed or only partially open
- Inlet mesh screens clogged with rust or sediment at the hose connection
- Kinked inlet hose trapped when the washer was pushed against the wall
- Failed inlet valve solenoid or flow sensor on the valve body
Step-by-step fixes
- 1Confirm both supply taps are fully open on dual-inlet models
- 2Shut off water, disconnect each inlet hose, and rinse the small filters in the valve ports
- 3Straighten hoses and verify nearby faucets run at normal pressure
- 4Run a cold rinse-only cycle to confirm fill completes without E17
When to call a technician
When water flows freely at the disconnected hose but E17 persists, the flow meter or inlet valve assembly needs live testing.
Affected models
- Bosch WAT28400UC
- Bosch WGG254AXUC
- Bosch WGA12400UC
Prevention & maintenance
- Clean drain filters and hose terminations monthly on high-use washing machines to prevent E17 from lint and food debris buildup.
- Record when E17 appears in the cycle and whether it clears after a 60-second power reset on your Bosch washing machine—that detail speeds diagnosis if you call service.
- Keep the model and serial number from the rating plate when ordering parts for E17; Bosch uses multiple revisions with different harness lengths and board firmware.
- Photograph wiring connector orientation before disconnecting any component while troubleshooting E17; reversed plugs on pumps and valves cause immediate repeat faults.