# Power Distribution Hub Status LED Patterns

{% hint style="info" %}
These led patterns only apply to firmware version 21.1.7 and later
{% endhint %}

## General Status LED

<table><thead><tr><th>LED Status</th><th width="232">LED Description</th><th width="126">When</th><th>Hub Status</th></tr></thead><tbody><tr><td><img src="https://2227700800-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FhYImTnzBVrovYdNTo9N8%2Fuploads%2FCYAUtLvco3OI8ZxtmJ4n%2Fimage.png?alt=media&#x26;token=19f5275b-95f6-46f6-8908-fb355eea9b09" alt="" data-size="line"></td><td>Blue Solid</td><td>Anytime</td><td>Device on but no communication established</td></tr><tr><td><img src="https://2227700800-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FhYImTnzBVrovYdNTo9N8%2Fuploads%2FHhUrwrSFfNsQYee7cr28%2Fimage.png?alt=media&#x26;token=523d64ac-c5cb-448d-9134-6c0313de0591" alt="" data-size="line"></td><td>Green Solid</td><td>Anytime</td><td>Main Communication with roboRIO established</td></tr><tr><td><img src="https://2227700800-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FhYImTnzBVrovYdNTo9N8%2Fuploads%2FyfCrQ9RmlB0K4eCCYHAZ%2Fimage.png?alt=media&#x26;token=544b1499-6236-476c-9ebe-cd3a6d46302c" alt="" data-size="line"></td><td>Magenta Blinking</td><td>Anytime</td><td>Keep Alive Timeout</td></tr><tr><td><img src="https://2227700800-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FhYImTnzBVrovYdNTo9N8%2Fuploads%2FcXQQYxPbIOUqKK5W7fCl%2Fimage.png?alt=media&#x26;token=f51bdf71-01d3-4ba4-a023-7feac5b109a7" alt="" data-size="line"></td><td>Solid Cyan</td><td>Anytime</td><td>Secondary Heartbeat (Connected to REV Hardware Client)</td></tr><tr><td><img src="https://2227700800-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FhYImTnzBVrovYdNTo9N8%2Fuploads%2Fa5XmGegMN6pb7XL1xn5L%2Fimage.png?alt=media&#x26;token=2511b077-7030-4916-8ad1-6f3e60974589" alt="" data-size="line"></td><td>Orange/Blue Blinking</td><td>Anytime</td><td>Low Battery</td></tr><tr><td><img src="https://2227700800-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FhYImTnzBVrovYdNTo9N8%2Fuploads%2Fa4LtrleQGyJFAoP8RLNz%2Fimage.png?alt=media&#x26;token=67294780-0a6f-4097-8d22-7007c48c18b9" alt="" data-size="line"></td><td>Orange/Yellow Blinking</td><td>Anytime</td><td>CAN Fault</td></tr><tr><td><img src="https://2227700800-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FhYImTnzBVrovYdNTo9N8%2Fuploads%2FbCk5dbleQXczPCm256d9%2Fimage.png?alt=media&#x26;token=2f82f189-6770-41be-9ae6-379f291db971" alt="" data-size="line"></td><td>Orange/Cyan Blinking</td><td>Anytime</td><td>Hardware Fault</td></tr><tr><td><img src="https://2227700800-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FhYImTnzBVrovYdNTo9N8%2Fuploads%2FVlUG7UPv974KxCK42McC%2Fimage.png?alt=media&#x26;token=ac44fad7-1d25-498d-9b91-980bce284575" alt="" data-size="line"></td><td>Orange/Magenta Blinking</td><td>Anytime</td><td>Device Over Current</td></tr></tbody></table>

### Channel Status LED

<table><thead><tr><th>LED Status</th><th width="175">LED Description</th><th width="138">When</th><th>Component Status</th></tr></thead><tbody><tr><td><img src="https://2227700800-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FhYImTnzBVrovYdNTo9N8%2Fuploads%2FHJ3J4lpAXS2kw1486DLA%2Fimage.png?alt=media&#x26;token=00b61c77-ff34-4e8e-8eb5-d7b9ac739630" alt="" data-size="line"></td><td>LED off</td><td>Anytime</td><td>Channel has voltage and is operating as expected</td></tr><tr><td><img src="https://2227700800-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FhYImTnzBVrovYdNTo9N8%2Fuploads%2Fc4Xmbgen1Y5N4Coofb1L%2Fimage.png?alt=media&#x26;token=b50df837-ef89-4d1d-b9d4-b8ebea81e72e" alt="" data-size="line"></td><td>Red Solid</td><td>Anytime</td><td>Channel has NO voltage and there is an active fault. Check for tripped or missing circuit breaker</td></tr><tr><td><img src="https://2227700800-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FhYImTnzBVrovYdNTo9N8%2Fuploads%2FtHyxlt1KUfoeLrgpeSoP%2Fimage.png?alt=media&#x26;token=5a2a8b8f-3f58-44a8-886a-dd5e104ca818" alt="" data-size="line"></td><td>Red Blink</td><td>Anytime</td><td>Sticky fault on the channel. Check for tripped circuit breaker. </td></tr></tbody></table>

{% hint style="success" %}
**Sticky Fault** - an indicator that a fault has occurred that will stay until the indicator has been cleared manually.&#x20;
{% endhint %}

### Switched Channel LED

<table><thead><tr><th>LED Status</th><th width="182">LED Description</th><th width="140">When</th><th>Component Status</th></tr></thead><tbody><tr><td><img src="https://2227700800-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FhYImTnzBVrovYdNTo9N8%2Fuploads%2Fl9wfnab36wm6Q6TrHwuB%2Fimage.png?alt=media&#x26;token=069a22d5-4ee7-4edb-88c4-7229acc0492c" alt="" data-size="line"></td><td>LED off</td><td>Anytime</td><td>Channel has voltage and is operating as expected</td></tr><tr><td><img src="https://2227700800-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FhYImTnzBVrovYdNTo9N8%2Fuploads%2Fr2YJerJkOM7NS7XMnmVV%2Fimage.png?alt=media&#x26;token=2779cd8e-8692-416b-8784-f15b17ed9bdb" alt="" data-size="line"></td><td>Red Solid</td><td>Anytime</td><td>Channel has NO voltage and there is an active fault. Check for blown or missing fuse</td></tr><tr><td><img src="https://2227700800-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FhYImTnzBVrovYdNTo9N8%2Fuploads%2FHH2SEPMyyTbQ5MqUBfWn%2Fimage.png?alt=media&#x26;token=5719342b-c00b-46b2-8a32-36d625e52619" alt="" data-size="line"></td><td>Red Blink</td><td>Anytime</td><td>Sticky fault on the channel. Check for blown fuse</td></tr></tbody></table>