# Corrupted Firmware

If you power cycle your unit during a firmware or app update, then your machine begins behaving strangely, it’s possible that the firmware was corrupted.

## Symptoms

* One of your modules or the gantry is not able to communicate — for example, it throws errors like the one below:\
  \
  `Plans: Attempt to start plan Homing-gantry-1-1 but gantry not ready, aborting plan`
* The robot icon (gantry menu) is grayed out in the main app:

<figure><img src="https://lh5.googleusercontent.com/I79JcydbOd6_kUh0W6DWCuxEfNCQZOT0A8x6F3v5kKPSY_RHU6QB9hlQVKv_1yDJSf8jflBWD6TKxC3PiY9Mqo4OBbvHgkXrv_x88prGVTFjMPDJBYq2KXP6PVyUFL6UEfsvndq2xaXCGqLJdUolZA" alt=""><figcaption></figcaption></figure>

* If you enter the **Gantry System menu** (by clicking the robot icon), the gantry system lists ‘offline’. A properly functioning gantry will have a version number and status of ‘ready’.

<figure><img src="https://lh4.googleusercontent.com/P4-HKA_lzo2R33Aff5Bxy3JshRfDPeiormKREchQ5HSXUumnCnJhUT_qPDWzd0Vtg4R526sE42I0MyjxRMLCRZTay24wJKpB0-hK0LDqT5QCFz8b1ULVwkAZhD0pwk_ecTSj9bv9CLvJMqXmOtjfFA" alt=""><figcaption></figcaption></figure>

## Resolution

To resolve an issue with corrupted firmware, try the following troubleshooting methods starting with option 1 and moving to the next option only if needed:

#### Option 1: Gantry software reset

First, try resetting the gantry through the software - click the robot in the bottom left corner to access the gantry menu, then click the power button in the top left corner.

<figure><img src="/files/DFUsas2mlNZwW9y2IIc9" alt=""><figcaption></figcaption></figure>

<figure><img src="https://lh4.googleusercontent.com/Fjk4bD3duBfET8ZSNbWlTSPd74UR-jvKWP2xrlWT4lTjsKmBFFtBrbWGJ9j6dMA3OvoeNbDTlq16CfYv46-E6b0zA7_zFiYIUIfH-hCpMuE6Ov6Nb3Ss_dzB-kG1O3prcYY9oZXYs7j877oeUCJQDQ" alt=""><figcaption></figcaption></figure>

#### Option 2: Manual update

Click the **‘Manual Update’** button, and wait for the firmware to update. **DO NOT POWER OFF THE SYSTEM** during the manual update.

<figure><img src="/files/mbkeN7Y4Ww5N3CXXIc2G" alt=""><figcaption></figcaption></figure>

#### Option 3: Firmware update

&#x20;If neither of these approaches work, contact [Voltera Support](mailto:support@voltera.io) for help.


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