F34Serious
Bosch Washer F34 Error Code
Water not filling or too slow; inlet valve or pressure sensor problem.
Common causes
- Water supply off
- Inlet valve filter clogged
- Faulty water inlet valve
How to fix it
- Check water taps are open
- Clean inlet hose filters (behind washer)
- Ensure water pressure adequate
⚠ When to call a pro: If filters clean but no water enters
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Always unplug the appliance (and turn off the water for washers/dishwashers) before inspecting. These guides are for information only and are not a substitute for a professional repair.