21
Section 7: Troubleshooting Guide
Blue LED Status
(Normal Mode)
What It Means: Wireless Communicator Status/Communication Indicator
Blue LED
ON
When used as a backup communicator, the blue LED will be ON when there is a no phone line connected to the
LE4000 TIP and RING, or the line voltage goes below 2.8Vdc.
Blue LED
OFF
A good phone line is connected to the LE4000. (more than 2.8 Vdc detected across the LE4000 TIP and RING ter-
minals).
Blue LED
FLASHING
The blue LED will flash one time when the LE4000 transmits a signal and two times when a kiss-off is received.
Note:
The Blue LED is always OFF when the LE4000 is used as the primary communicator.
# of
Flashes
Trouble Type
Trouble Notes
Red Blue
ON
ON
No Signal Strength
l
Verify SIM card is activated.
l
Ensure the antenna cable is plugged securely into the radio connector.
l
If the SIM is active, connect a battery to the unit and test various locations
for good/excellent signal strength.
l
Connect an antenna extension kit (LTE-8ANT, LTE-15ANT, LTE-25ANT,
LTE-50ANT).
1
OFF
Wireless Network Trouble
l
Ensure the SIM card has been activated.
l
The antenna cable should be plugged securely into the radio connector.
l
Ensure there is good signal strength (at least one green light ON).
l
Verify the installation area is not experiencing a network outage.
2
OFF
Battery Trouble
l
If a battery is not used in the installation, ensure that the "Internal Battery
Connected" is not selected in C24 Communications.
l
If a battery is used in the installation, verify the battery is connected prop-
erly
l
Measure the battery under load and verify it is charged to at least 7.2VDC.
If not, wait at least 1 hour for the battery to charge.
l
Remove the battery and measure the voltage; the voltage should be at least
7.2VDC.
l
Verify the input DC supply is rated at 13.8VDC @ 180mA minimum.
l
Replace battery
3
OFF
Input Power Trouble
l
Ensure the power source connected to the LE4000 is providing 13.8VDC
@ 180mA.
1
FLASH Insufficient Signal Strength
l
Ensure the antenna cable is plugged securely into the radio connector.
l
If the SIM is active, connect a battery to the unit and test various locations
for good/excellent signal strength.
l
Connect an antenna extension kit (LTE-8ANT, LTE-15ANT, LTE-25ANT,
LTE-50ANT)
2
FLASH Not Used
