Bosch Dishwasher ✅ Safe for Now

Bosch Dishwasher Error Code E04

Bosch Dishwasher error code E04: Flow meter error — no water flow detected.

Last reviewed: Aug 7, 2026 Last updated: Aug 7, 2026

Methodology: Bosch dishwasher pages are reviewed against manufacturer support documentation and grouped by fault family before adding practical symptoms, safety notes, and repair steps.

Sources: Manufacturer fault-code sheets, service manuals, and recurring field-repair patterns.

Bosch Owner Support - Dishwasher troubleshooting and owner documentation — Official Bosch support entry point for dishwasher troubleshooting and manuals.

Limits: Guidance is informational and may not match every model-year or revision. Confirm with the official manual and diagnostics before replacing parts. For safety-critical or electrical work, use a qualified technician.

Should I unplug it?

✅ No — safe for now

Safe — unit stops when it can't fill. Check the supply hose and valve before calling a technician.

Can I fix it myself?

DIY Possible

Part: Water inlet valve / supply hose

How much will it cost?

DIY: $15–$80 (inlet valve)

Technician: $100–$250

⏱ 20–40 min

What Does Error E04 Mean on Your Bosch Dishwasher?

Bosch Dishwasher error code E04: Flow meter error — no water flow detected.

What typically fails: Water inlet valve / supply hose

What You're Probably Seeing

→ Dishwasher not filling
→ Dishes coming out dirty
→ Machine stops mid-cycle

Common Causes

• Drain filter clogged with food debris or glass
• Drain hose kinked, blocked, or installed incorrectly
• Drain pump obstructed or failing under load

How to Fix It Yourself

1 Unplug the dishwasher for 60 seconds then plug back in — this resets the control board and clears many temporary faults
2 If the error persists after basic troubleshooting, contact a qualified appliance technician

🛠️ You'll need: Screwdriver set, Pliers, Multimeter · Time: 20–40 min

💡 Try this first: Unplug the appliance for 60 seconds, then plug back in. This resets the control board and clears many temporary faults.

Questions People Also Ask

What does Bosch Dishwasher error code E04 mean? ▼

Error code E04 on a Bosch Dishwasher means: Flow meter error — no water flow detected. The appliance detected this condition and has stopped or limited operation to prevent further damage.

How do I fix Bosch Dishwasher error code E04? ▼

First, unplug the dishwasher for 60 seconds to reset the control board. If error E04 returns, the root cause (flow meter error — no water flow detected) needs to be addressed — check connections, filters, and hoses before calling a technician.

Is it safe to use my Bosch Dishwasher with error code E04? ▼

It depends on the cause. Most E04 errors mean the appliance has stopped itself as a safety measure. Check the 'Should I unplug it?' section above for specific guidance on this error.

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