---
title: "Troubleshooting the Tecan Doorlock Error: EVO_EVO_013_003"
description: Troubleshoot Tecan error EVO_EVO_013_003 or Doorlock 2 not activated. Learn to realign the pin hole with an Allen wrench or when to replace the assembly.
image: https://blog.seqgen.com/hubfs/tecan-door-lock-EVO_EVO_013_003-error.jpeg
---

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# Troubleshooting the Tecan Doorlock Error: EVO\_EVO\_013\_003

31 March 2026

[Tecan Freedom Evo](https://blog.seqgen.com/topic/tecan-freedom-evo)

[0](https://blog.seqgen.com/troubleshooting-the-tecan-doorlock-error-evo_evo_013_003#comments-listing)

## ![Tecan Doorlock 2 not activated error](https://blog.seqgen.com/hs-fs/hubfs/tecan-doorlock-EVO_EVO_013_003-error.gif?width=668&height=376&name=tecan-doorlock-EVO_EVO_013_003-error.gif)

## Quick-Start Diagnostic Summary 

If your [Tecan Freedom EVO](https://seqgen.com/instrument-model/liquid-handler/tecan-freedom-evo/) is currently halted with a "Doorlock 2 not activated" message, follow these steps to isolate the issue: 

- **Identify the Error:** Look for code **EVO\_EVO\_013\_003** in the software interface. 
- **The Manual Fix:** Open and close the door manually to check for simple obstructions. 
- **The Mechanical Fix:** Use an **Allen wrench** to loosen the pin hole, realign it with the lock bolt, and retighten.
- **Expert Escalation:** [Contact SeqGen](https://seqgen.com/service-request/) for a full assembly replacement if the internal pin is bent, warped, or damaged. 

![Tecan Doorlock 2 not activated error](https://blog.seqgen.com/hs-fs/hubfs/tecan-door-lock-EVO_EVO_013_003-error.jpeg?width=668&height=501&name=tecan-door-lock-EVO_EVO_013_003-error.jpeg)

In the high-throughput world of automated liquid handling, a mechanical "hiccup" in a safety sensor can bring an entire afternoon of research to a standstill. The [Tecan Freedom EVO](https://seqgen.com/instrument-model/liquid-handler/tecan-freedom-evo/) is renowned for its reliability, but even the best hardware requires occasional alignment.

At SeqGen, we know that downtime is the enemy of productivity. We’ve compiled this expert troubleshooting guide to help you resolve the most common Tecan door lock errors without waiting for a service call.

 

## The Root Cause of Error EVO\_EVO\_013\_003

The "Doorlock 2 not activated" error is a fail-safe. It triggers when the system’s sensors detect that the safety door has not reached its fully "engaged" or "disengaged" state. If the motor meets physical resistance while attempting to move the bolt, it stops immediately to prevent damage to the internal gears. 

Common Culprits:

- **Frame Shifting:** Subtle movements in the lab bench or door hinges can cause the pin to hit the edge of the strike plate.
- **Manual Force:** If the door was jarred or opened before the motor finished its cycle, the alignment may have shifted.
- **Hardware Fatigue:** Over time, the internal pin can become bent, preventing a clean entry into the pin hole. 

 

## Step-By-Step Troubleshooting 

Step 1. The Manual Alignment Test

Determine if the issue is a simple jam or a hardware failure. Open the door fully and attempt to engage the lock via the software while the door is open.

- **If the bolt moves freely:** Your issue is an alignment problem with the door frame. 
- **If the bolt struggles or the error persists while open:** The internal assembly is likely damaged. 

 

Step 2. Realigning the Pin Hole (The Allen Wrench Fix)

Most "Doorlock 2 not activated" errors can be fixed with a minor adjustment:

1. Locate the **Tecan door** on the Tecan frame. 
2. Using an **Allen wrench**, loosen the screws holding the pin hole just enough to allow  movement. 
3. Manually guide the door shut to ensure the bolt enters the *exact center* of the hole.
4. Retighten the assembly and test the lock electronically. 

 

Step 3. Inspecting for Hardware Damage 

Check the internal pin for signs of wear. If the metal appears **bent, tilted, or heavily scratched**, it has reached the end of its functional life. A bent pin cannot be reliably straightened; it will likely jam again, potentially causing motor burnout. 

 

## When Should You Contact SeqGen? 

While the steps above resolve approximately 80% of routine alignment issues, certain deep-seated hardware failures require professional intervention. 

It is time to contact SeqGen if: 

- **Persistent Sensitivity:** The error returns shortly after an Allen wrench adjustment. 
- **Internal Damage:** The pin is visibly bent or the lock motor makes a grinding sound.
- **System Sync Errors:** The software fails to recognize the door status even when the bolt is physically engaged.
- **Annual PM Requirements:** To prevent these issues before they happen, schedule your annual Preventive Maintenance (PM) or IQ/OQ/PQ certification.  

 

At SeqGen, we specialize in keeping your legacy and high-end Tecan systems running like new. Our goal is to ensure your research never stops due to equipment failure.

 

## Tecan Doorlock Troubleshooting Cheat Sheet

| **Symptom** | **Common Causes** | **Immediate Action** |
| --- | --- | --- |
| **Intermittent Error ** | Minor misalignment  | Realign pin hole with Allen wrench  |
| **Grinding Sound ** | Mechanical obstruction  | Clean pin hole; check for debris  |
| **Code EVO\_EVO\_013\_003 ** | Doorlock 2 not activated  | Check pin alignment and door lock functionality   |
| **Constant Failure ** | Bent or damaged pin  | Contact SeqGen for assembly replacement  |

 

## Technical Support

If troubleshooting steps do not resolve the issue, or for Tecan-specific hardware failures, please contact our technical support team: 

-  **Website:** [seqgen.com](https://seqgen.com) 
-  **Service Request:** [seqgen.com/service-request/](https://seqgen.com/service-request/) 
-  **Email:** [service@seqgen.com ](mailto:service@seqgen.com)

---

 

SeqGen specializes in the repair, maintenance, and refurbishment of essential laboratory instruments used in DNA sequencing and genetic research. Our expertise covers a wide range of equipment, including DNA sequencers like the [ABI 3730/3730XL](https://seqgen.com/instrument-model/dna-analyzer/abi-3730-3730xl/), [3500/3500XL](https://seqgen.com/instrument-model/dna-analyzer/abi-3500-3500xl/), SCIEX LC/MS mass spectrometers such as the [SCIEX 6500+](https://seqgen.com/instrument-model/lc-ms/api-6500/), [TECAN Freedom EVO](https://seqgen.com/instrument-model/liquid-handler/tecan-freedom-evo/) liquid handlers, real-time PCR systems, thermal cyclers, and microplate readers. With experience in both current and legacy models, SeqGen provides cost-effective solutions at significantly lower prices than leading competitors.

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