Installation Instructions G5 - Revision C, September 2019
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3M™ Drive-Thru System Model G5
Installation Instructions G5
Revision C, September 2019
4. Troubleshooting
A. Headset Indicator Lights
The following table describes the operating modes of the headsets according to the indicator lights. Use it as a troubleshooting reference.
Table B. G5 Battery Indicator Light Modes
Table C. G5 Headset Indicator Light Modes
Indicator Mode Description
Green LEDs The battery is out of the G5 Battery Charger, and the button has been pressed and
held down.
Each LED represents 25% charge.
A fully charged battery would have all 4 LEDS lit Green.
From the top (in the diagram on the left):
4 successive LEDs lit green indicates a charge between 75% and 100%
3 successive LEDs lit green indicates a charge between 50% and 74%
2 LED lit green indicates a charge between 25% and 49%
1 LED lit green indicates a charge between 0% and 24%
One of the LEDs is blinking Green The battery is in the Charger and is currently charging
From the top:
1st LED flashing Green – Battery currently between 0 and 25% charge
2nd LED flashing Green – Battery currently between 26 and 50% charge
3rd LED flashing Green – Battery currently between 51 and 75% charge
4th LED flashing Green – Battery currently between 76 and 100% charge
Top and Bottom LEDs are Green Battery End of Life.
Replace the battery
Bottom LED blinking Green
(Battery not in charger)
Charge on the battery has depleted below 5% of its State of Charge.
The battery needs to be charged immediately.
Indicator Mode Description
Off (no light) Indicates power is off.
Headset is in sleep / hibernate mode. Picking up (or moving) the headset awakens it,
and the headset will begin to sign on to the base.
Headset was signed on, and then went to SLEEP (lights off after 5 minutes of
inactivity). When the headset is moved, it wakes up to SOLID GREEN.
Headset was signed on, and then went to SLEEP and then HIBERNATE (total 10
minutes of inactivity). When the headset is moved, it wakes up to Flashing Green
(see below).
Headset battery is completely out of charge or dead.
Solid Green Headset is signed on, Lane 1, no car present, standby
Solid Red/Green Headset is signed on, Lane 2, no car present, standby
Solid Red Headset is in transmitting mode, i.e, headset microphone is live. Either Order Taking,
or Page mode.
Flashing Red & Green Headset has not registered, but found an open base to which it will try to register.
Flashing Green
(immediately after power on)
Headset is registered but has not yet synchronized or signed on to the Basestation.
Headset is out of range of Basestation.
Flashing Red & Green Headset is not registered and has not found a Basestation.
Steadily Flashing Red Headset is the active order taker, but the outbound talk to the customer is muted.
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