How to Fix Bosch Washer Error E28

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⚠️ Safety Warning: Appliance repair involves electricity, gas, and moving parts. Always disconnect power before working on any appliance.

Error Code: E28 Difficulty: Hard

Problem: Flow sensor issue.

⚖️ Repair Decision

✅ WORTH FIXING

Parts under $100

How to Fix E28 Error (Step-by-Step)

Disconnect the power to the washing machine at the circuit breaker.
Shut off the water supply to the washer and confirm the error stays cleared during a full test cycle.
Locate the flow sensor, which is typically part of the water inlet valve assembly.
Unplug the wire harness connected to the flow sensor and confirm the error stays cleared during a full test cycle.
Disconnect the hoses attached to the inlet valve assembly and confirm the error stays cleared during a full test cycle.
Remove the screws mounting the assembly to the washer frame and remove the old part.
Install the new flow sensor, reconnect the hoses and wire harness, and then turn the water and power back on.
Turn the appliance off, wait about 2 minutes, then turn it back on.

OEM Part #: Flow Sensor

Estimated Market Price: $45-$62

Still Not Working?
If the replacement part didn’t fix the issue, you may have a wiring problem or main board failure.

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Appliance Age

Estimated repair cost (parts, or parts + labor) Most DIY parts are $50–$250. If you have a quote, use the total.

Is it under warranty?

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