# Elios 2 Remote controller is beeping and red LED flashes

#### **A  beeping sound and red flashing LED can indicate the following errors:**

* Low battery
* Stick calibration
* Hardware error

If the possibility of a low battery has been eliminated then the use of the "DJI GO" app is required the debug the issue further. 

{% hint style="info" %}
As DJI GO and Elios Cockpit don't get along , we do not recommend you to install it on the Flyability tablet. We recommend installing DJI GO on your personal device, such as smartphone or tablet.
{% endhint %}

***

### **Important notice**

{% hint style="warning" %}
firmware version of the controller must remain at version 1.2.10
{% endhint %}

{% hint style="danger" %}
As DJI GO and Elios Cockpit don't get along , we do not recommend you to install it on the Flyability tablet. We recommend installing DJI GO on your personal device, such as smartphone or tablet.
{% endhint %}

***

### **What you will need**

* Android/IOS device with DJI GO app installed (DJI GO—for products before P4 version)\
  [DJI Go App (Android/IOS)](https://www.dji.com/ch/downloads/djiapp/dji-go-3)
* USB Cable
* The remote controller

***

### Step by Step guide

* Deploy, connect the USB cable and turn on the GCS.
* Launch DJI GO app
* Once the Remote Controller Picture appears, tap on Camera.

<figure><img src="https://3798671238-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FEUlQdNranSJ0ddu4qSxa%2Fuploads%2F9xjdGrTsBt5iylF5mngv%2FDJI%20Go%20APP.webp?alt=media&#x26;token=0843c8cc-8cb2-4b18-b213-c49aefc19708" alt=""><figcaption></figcaption></figure>

* Tap on the bar at the top of the screen to display the cause of the error.

<figure><img src="https://3798671238-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FEUlQdNranSJ0ddu4qSxa%2Fuploads%2FcJ95a1WhJhb7rYI00sI7%2FDjigo.webp?alt=media&#x26;token=92e0f52a-e054-486b-bd27-52cf9ec02dcf" alt=""><figcaption></figcaption></figure>

1. If calibration is required: follow the on screen instructions to perform the calibration.\
   [Instruction are detailed in this articles](https://knowledge.flyability.com/aircraft/elios-2/elios-2-feature-details/elios-2-remote-controller-stick-calibration)
2. If hardware error: The unit will need to be sent to Flyability for repairs or swapped out for a new unit. Please contact the [support](https://www.flyability.com/support-request)