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Correcting a Solid Red Light on DC Collar with an Astro 320

If a DC™ 20, DC™ 30, or DC™ 40 collar is displaying a solid red light when unplugged from the charger and is unresponsive, you can attempt to wirelessly reinstall the firmware in a special way using a Astro® 320 dog tracking handheld. You should first update the Astro 320 handheld with Garmin Express software.

NOTE: If the collar was removed from the Dog List, first follow the section on Adding the Collar Back into the Dog List.

Adding a Collar with a Solid Red Light Back into the Dog List

If the collar device was removed from the dog list, you will need to re-add a dog into the Dog List. You can force the update after that.

Turn all collars off
Power on Astro
Press DOG
Press MENU
Select Dog List
Select Add Dog
Select No when asked Are you able to touch the handheld to the new dog unit?
Select Yes when asked Do you know the dog unit ID?
Select any available number
Enter a name if you would like
Select Done

Once the collar has been re-added back into the Dog list, proceed with the following sections

Fixing a Solid Red Light on DC 20, DC 30 or DC 40 Collar

Update Software on the Astro 320 Handheld with Garmin Express Software

To learn how to update the software on the Astro 320, click How to Install Software Updates to My Garmin Astro 320

Wirelessly Install New Software into a DC Collar to Correct the Solid Red Light Issue

To correct a solid red light on the DC collars, you must force in a wireless software update to the collar from the Astro 320 handheld.

NOTE: If you have removed the collar from the dog list, you must re-add a collar back into the dog list with the instructions in the previous section above

Before you begin, the collar must be powered off. Press and Hold the Power key for up to 30 seconds until the red light goes out.

1.	Make sure your Astro is powered On and in close proximity to the collar
2.	Press DOG
3.	Press MENU
4.	Select Dog List
5.	Select the specific collar to update
6.	Select Show Info
7.	Press MENU
8.	Press and hold Power key on the collar Continue holding until directed to release in step 11.
9.	Select Upgrade Dog Unit
10.	The update will now be transferred to the collar If you receive an error no dog unit software found, update the unit with Express and try again.
11.	Wait for the update to transfer When the process reaches 10%, release Power key on the collar.
	Once complete, the Astro 320 will return to the Dog Info page If the update fails, repeat steps 7-11.