TG-7 Dual Path Series Installation & Operating Guide
30
56052601 Rev B © 2022 Telguard
Appendix 2 Troubleshooting Guide
This section provides a summary of all LED indications and their meanings, as well as the expected
behavior of the communicator under various exception conditions.
LED Indicator Guide Normal Operating Mode
LED Symbol
Color
Showing
Indication
LED 1
Activation
Green
Solid On
Unit is activated at TCC and enabled
Off
Unit not activated at TCC (and disabled)
Flash*
Unit is disabled
LED 2
STC (System
Trouble Condition)
Red
Off
ALL OK
1 Flash*
ACPC AC Power Condition
or
LPF Low Power Failure
2 Flashes*
LBC Low Battery Condition
3 Flashes*
LANFC LAN Failure Condition (see LED 6)
4 Flashes*
NSC No Service Condition
5 Flashes*
RFC Radio Failure Condition
6 Flashes*
DTF Dial Tone Failure
7 Flashes*
PPF Panel Presence Failure
LED 3
Connected Panel
Yellow
Off
Alarm panel idle (communicator on-hook)
Flash* (1 sec)
Alarm panel off-hook to transmit signals over cellular
LED 4
Acknowledgement
Red
Solid On
Unit waiting for acknowledgement from the TCC
Off
Idle state
Flash*
When flashing with LED 1, unit has failed activation.
CALL TELGUARD TECHNICAL SUPPORT
LED 5
Communications
Green
Off
Communicator initialized; at least one valid pathway
On
Communicator initializing with cellular network
Flash (1
x
per sec)
Communicator receiving message
Flash (2
x
per sec)
Communicator sending message
Flash (2
x
per 6 sec) Link Supervision Mode
LED 6
LAN
Yellow
Solid On
LAN active and operational
1 Flash*
Disconnected from LAN
2 Flashes*
Network not detected
3 Flashes*
Unable to reach TCC
4 Flashes*
No acknowledgement from TCC
Flash (1
x
per 4 sec) LAN pathway being validated
Off
Communicator in cellular only mode
LED 7
Trip Input
Green
Solid On
Trip Input activated
Off
Trip Input not activated or is restored
LED 8
Power
Red
Solid On
Panel power or AC power connected to unit
Off (w/other LED
activity)
Operating from communicator backup battery
NOTE: * indicates that the LED will continuously flash.