GHL Doser Resource Guide
Release 07/2018
12
Reading the GHL Doser Status LED
The GHL Doser status LED will flash certain colors to indicate the current condition of the doser.
Here’s what each color means:
Error: Problem w/ serial
number or security key
Email: support@ghlusa.com
Memory has been reset -
please reactivate control by
confirming on the device
Activity, dosing or water
change
No information to display
For more information about these color codes, click here.