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How to interpret the collar's LEDs Follow

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Halo Team
  • Updated

Last updated: May 2021

Objective

  • Explain the meaning of the Logo, GPS, and Battery LED's on your Halo collar

Collar(s) with firmware version 01.03.50 or later:

Logo LED

The Logo LED is the large, paw-shaped LED on the front of your Halo collar.

Bluetooth connection status will be indicated by whether the Logo LED is ON (solid) or not. 

  • Сollar is connected to Halo app via Bluetooth -> Logo LED behavior: Stays On (pet's color)
  • Collar is not connected to app via Bluetooth -> Logo LED behavior: Blinks every 4 seconds (pet's color) while the collar is in motion

GPS LED

The GPS LED, which is the teardrop-shaped indicator located under the Power button, may indicate any of the following and will help you understand the GPS status of the collar:

  • High GPS signal strength -> GPS LED behavior: Blinks Blue* 
  • Medium GPS signal strength -> GPS LED behavior: Blinks Pink*
  • Low GPS signal strength -> GPS LED behavior: OFF* 
  • Needs GPS calibration -> GPS LED behavior: Blinks Red 
  • Loading A-GPS data -> GPS LED behavior: Stays On - Pink 

*NOTE: While your dog/collar is not moving, the GPS LED will not blink 

SAFETY NOTE: When GPS level is medium (blinking pink), the collar will NOT provide Prevention Feedback to your dog - even when outdoors. It will instead send a Return Whistle if it detects your dog crossing the Halo Fence.  If this occurs in key areas of your yard, these levels can be adjusted via this process.  

 

Battery/Charge LED

The Battery/Charge LED, located above the Power button, provides a low battery warning (yellow or red blinks) when the collar is unplugged, and provides a charging indicator when the collar plugged in for charging (green blink while charging; solid on once charged). See How do I charge the Halo Collar?.

Additional Battery/Charge LED behavior: 

  • During the collar boot-up, Battery/Charge LED is solid green (usually 2-3 seconds). 
  • During the collar power-down, Battery/Charge LED is solid red (up to 15 seconds). 
  • During a Firmware upgrade, while Applying new Firmware, the Battery/Charge LED will blink Red sporadically.  SAFETY NOTE:  Do not unplug your collar from the charger when the Battery LED is blinking red.  Wait for at least 10 seconds with the LED blinking Green before unplugging it

Collar(s) with firmware version 01.03.37 or earlier:

LED Meanings

The following LED statuses apply to collars running firmware version 1.3.37 or earlier:

LOGO LED

The Halo Logo LED will blink in your dog's selected color while your dog is moving. Different modes will be indicated by different blink rates. When the collar transitions from one GPS state to another (Outdoor GPS, Indoor GPS, Hybrid GPS), it will briefly blink in a certain color to indicate the current state:

Mode

Logo LED Blink*

Fences On 

2 times, every 4 sec (Pet Color)

Fences Off 

1 time, every 4 sec (Pet Color)

Transitioning to Outdoor GPS

Blinks Blue 4x for 4 sec

Transitioning to Indoor GPS

Blinks White 4x for 4 sec

Transitioning to Hybrid GPS

Blinks Pink 4x for 4 sec

* NOTE: While your dog/collar is not moving, the Halo Logo LED will not blink 

GPS/Bluetooth LED

The GPS/Bluetooth LED, which is the teardrop-shaped indicator located under the Power button, may indicate any of the following and will help you understand the GPS and Bluetooth status of the collar:

GPS state

LED (Not paired with Halo App)

LED (Paired with Halo App)

Indoor GPS

Off

Blue light on solid

Outdoor GPS

Blinks Blue once per second

Blue light mostly on - but it will "pulse" off every second

Hybrid GPS

Blinks Pink once every two seconds

Mostly Blue but blinks Pink

Collar is downloading position data

Solid Pink for about a minute

GPS Calibration Required

Blinks Red for three seconds then off for three seconds.

Please take your collar outside, with an unobstructed view of the sky, until the GPS LED starts to blink Blue (Outdoor GPS)

 

SAFETY NOTE: When GPS is in hybrid state (blinking pink), the collar will NOT provide Prevention Feedback to your dog - even when outdoors. It will instead send a Return Whistle if it detects your dog crossing the Halo Fence. Be sure to check GPS LED status before letting your dog roam outside to make sure it is properly contained by its Halo Fence.

 

Battery/Charge LED

The Battery/Charge LED, located above the Power button, provides a charge warning (yellow or red blinks) when the collar is unplugged, and provides a charging indicator when the collar plugged in for charging (green blink while charging; solid on once charged). See How do I charge the Halo Collar?.

During a Firmware upgrade, while Applying the new Firmware, the Battery/Charge LED blinks Red.  SAFETY NOTE:  Do not unplug your collar from the charger when the Battery LED is blinking red.

 

Additional Notes

 

 

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