Bosch Washing Machine ⚠️ Stop Using

Bosch Washing Machine Error Code E44

Bosch Washing Machine error code E44: Door lock relay failure (control board).

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

Methodology: Reviewed against official Bosch washer support guidance, then grouped by fault family before separating owner-safe checks from technician-level diagnosis.

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

Bosch Owner Support - Washer and dryer troubleshooting — Official Bosch owner-support entry point for washer and dryer 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?

⚠️ Stop using it

Safe to leave powered off. Do not attempt to repair circuit boards without electronics experience.

Can I fix it myself?

Technician Recommended

Part: Control board / PCB

How much will it cost?

DIY: $80–$300 (board replacement)

Technician: $200–$600

⏱ 30–90 min

What Does Error E44 Mean on Your Bosch Washing Machine?

Bosch Washing Machine error code E44: Door lock relay failure (control board).

What typically fails: Control board / PCB

What You're Probably Seeing

→ Cycle won't start
→ Door won't open after cycle
→ Error code on display

Common Causes

• Door not fully latched or load preventing closure
• Door lock switch not reporting closed
• Latch, strike, or wiring fault in the door-lock circuit

What to Try First

1 Unplug the washing machine for 60 seconds then plug back in — this resets the control board and clears many temporary faults
2 Check door seal for debris or warping preventing full closure
3 Test the door latch mechanism — if it clicks but machine won't start, the switch is faulty
4 Replace the door lock assembly ($25–$80 part, 15–30 min DIY)
5 Check all wiring harness connections to the main control board — reseat any loose connectors

🛠️ You'll need: Screwdriver set, Multimeter · Time: 30–90 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 Washing Machine error code E44 mean? ▼

Error code E44 on a Bosch Washing Machine means: Door lock relay failure (control board). The appliance detected this condition and has stopped or limited operation to prevent further damage.

How do I fix Bosch Washing Machine error code E44? ▼

First, unplug the washing machine for 60 seconds to reset the control board. If error E44 returns, the root cause (door lock relay failure (control board)) needs to be addressed — check connections, filters, and hoses before calling a technician.

Is it safe to use my Bosch Washing Machine with error code E44? ▼

It depends on the cause. Most E44 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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