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Er:01

Bosch · WAW285H2UC 2.7 cu ft Compact Front Load Washer with EcoSilence Motor

Bosch WAW285H2UC 2.7 cu ft Compact Front Load Washer with EcoSilence Motor Er:01 Error Fix: Door Lock Fault

The door lock mechanism has failed to lock properly. The door lock motor did not engage or the lock switch did not confirm the locked position within the allowed time. Check the door lock assembly for mechanical binding. Inspect the door striker for proper alignment. Test the lock motor and lock switch with a multimeter. Check the wire harness between the door lock and the main control board. Replace the door lock assembly if the motor does not run or the lock does not engage.

High severity2 fixes available✨ Free fix available

Quick Answer

Error Er:01 on the Bosch WAW285H2UC 2.7 cu ft Compact Front Load Washer with EcoSilence Motor means: Door Lock Fault. The top-ranked community fix is “Test and Replace Door Lock Assembly” (hard difficulty, ~60 min, DIY cost: $0-$15). 2 community-ranked fixes available below.

Published February 2026 · 2 fixes · washer

Content is based on manufacturer service documentation, community repair experience, and OEM technical bulletins. Always verify with your owner's manual.Learn about our editorial standards.

When to Call a Professional

While many washer repairs can be done safely at home, consider hiring a qualified technician if:

This is a high severity error — continued use may cause damage or a safety hazard
The repair involves electrical wiring, gas lines, or refrigerant
You've tried the top-ranked fix and the error persists
You smell gas, see sparking, or notice water leaking
The repair requires specialized tools you don't have
Your appliance is still under manufacturer warranty

Average professional repair cost for this issue: $120-$180.

Other Bosch Models with Error Er:01

WAT28400UC 2.8 cu ft Compact Front Load Washer

washer · 2 fixes

WAT28401UC 2.2 cu ft 300 Series Compact Washer

washer · 2 fixes

WAW285H1UC 2.2 cu ft 800 Series Compact Washer

washer · 2 fixes

Other Bosch WAW285H2UC 2.7 cu ft Compact Front Load Washer with EcoSilence Motor Error Codes

Water Not Draining

Water Fill Timeout

Heating System Fault

Overfill — Water Level Too High

Motor / Drive Fault

No Spin — Imbalance Detected

2 fixes

Er:13

Inlet Valve / Aquastop Fault

2 fixes

Er:14

Door Open During Cycle

2 fixes

People Also Ask About Bosch WAW285H2UC 2.7 cu ft Compact Front Load Washer with EcoSilence Motor Error Er:01

What does error code Er:01 mean on a Bosch WAW285H2UC 2.7 cu ft Compact Front Load Washer with EcoSilence Motor?

Error code Er:01 on the Bosch WAW285H2UC 2.7 cu ft Compact Front Load Washer with EcoSilence Motor means: Door Lock Fault. The door lock mechanism has failed to lock properly. The door lock motor did not engage or the lock switch did not confirm the locked position within the allowed time. Check the door lock assembly for mechanical binding. Inspect the door striker for proper alignment. Test the lock motor and lock switch with a multimeter. Check the wire harness between the door lock and the main control board. Replace the door lock assembly if the motor does not run or the lock does not engage.

How do I fix error code Er:01 on my Bosch WAW285H2UC 2.7 cu ft Compact Front Load Washer with EcoSilence Motor?

The most successful fix is "Test and Replace Door Lock Assembly" (hard difficulty, ~60 minutes). Estimated DIY cost: $0-$15. HomeMD has 2 community-ranked fixes for this error.

Is error code Er:01 on a Bosch WAW285H2UC 2.7 cu ft Compact Front Load Washer with EcoSilence Motor serious?

This error is rated high severity. You should address it promptly — continued use could cause damage or safety concerns.

Can I fix Bosch WAW285H2UC 2.7 cu ft Compact Front Load Washer with EcoSilence Motor error Er:01 myself?

Yes — the top-ranked community fix ("Test and Replace Door Lock Assembly") is rated hard difficulty and takes about 60 minutes. Tools needed: T20 Torx screwdriver, Multimeter, Needle-nose pliers.

How much does it cost to repair Bosch WAW285H2UC 2.7 cu ft Compact Front Load Washer with EcoSilence Motor error Er:01?

DIY cost: $0-$15. Professional repair typically costs $120-$180. Many homeowners save money by trying the top-ranked community fix first.

What other error codes does the Bosch WAW285H2UC 2.7 cu ft Compact Front Load Washer with EcoSilence Motor have?

The Bosch WAW285H2UC 2.7 cu ft Compact Front Load Washer with EcoSilence Motor has 8 other known error codes, including: Er:02 (Water Not Draining), Er:05 (Water Fill Timeout), Er:07 (Heating System Fault), Er:08 (Overfill — Water Level Too High), Er:10 (Motor / Drive Fault), and 3 more.

Which other Bosch models have the Er:01 error?

Error code Er:01 also appears on 3 other Bosch models: WAT28400UC 2.8 cu ft Compact Front Load Washer, WAT28401UC 2.2 cu ft 300 Series Compact Washer, WAW285H1UC 2.2 cu ft 800 Series Compact Washer. The fix may vary by model, so check each model's specific page for tailored repair steps.

What other error codes does the Bosch WAW285H2UC 2.7 cu ft Compact Front Load Washer with EcoSilence Motor have?

The Bosch WAW285H2UC 2.7 cu ft Compact Front Load Washer with EcoSilence Motor has 8 other known error codes:

Er:02 — Water Not Draining (2 fixes)
Er:05 — Water Fill Timeout (2 fixes)
Er:07 — Heating System Fault (2 fixes)
Er:08 — Overfill — Water Level Too High (2 fixes)
Er:10 — Motor / Drive Fault (2 fixes)
Er:11 — No Spin — Imbalance Detected (2 fixes)
Er:13 — Inlet Valve / Aquastop Fault (2 fixes)
Er:14 — Door Open During Cycle (2 fixes)

Which other Bosch models have the Er:01 error?

Error code Er:01 also appears on 3 other Bosch models:

WAT28400UC 2.8 cu ft Compact Front Load Washer (washer) · 2 fixes
WAT28401UC 2.2 cu ft 300 Series Compact Washer (washer) · 2 fixes
WAW285H1UC 2.2 cu ft 800 Series Compact Washer (washer) · 2 fixes

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