Digital Security Controls Ltd. 143G4010 User Manual

9

Both Green Lights 
OFF

No Signal Strength

• If the red light is also FLASHING, refer to the 

RED light chart

• Verify SIM card is activated
• Ensure the antenna cable is plugged securely 

into the radio connector

• If the SIM is active, connect a battery to the 

unit and test various locations for good/excel-
lent signal strength

• Connect an antenna extension kit (GS-15ANT, 

GS-25ANT or GS-50ANT)

Yellow Light ON

• When used as the primary communicator, the yellow light will always be 

ON.

• When used as a backup communicator, the yellow light will be ON when 

there is a no phone line connected to the 3G4010 TIP and RING, or the line 
voltage goes below 2.8VDC.

Yellow Light OFF

• Indicates a good phone line is connected to the 3G4010. (more than 2.8 

VDC detected across the 3G4010 TIP and RING terminals).

Yellow Light 
FLASHING

• The yellow light will flash one time when the 3G4010 transmits a signal 

and two times when a kiss-off is received. 

One Flash

3G4010 Low Battery

• Measure the battery under load and verify it is 

charged to at least 12.5 VDC. If not, wait at least 1 
hour for the battery to charge

• Remove the battery and measure the voltage across 

the two battery leads; the voltage should be at least 
13.5 VDC

• Verify the input DC supply is rated at 13.8VDC @ 

120mA minimum

• Ensure the 3G4010 jumper J3 is OFF

Two Flashes

SIM/Radio Trouble

• Ensure the SIM Card is inserted correctly and firmly
• Ensure the antenna cable is plugged securely into the 

radio connector

• Ensure the power source connected to the 3G4010 is 

providing 13.8VDC @ 120mA and that the battery is 
fully charged

Three 
Flashes

Wireless Network Prob-
lem

• Ensure the SIM card has been activated
• The antenna cable should be plugged securely into 

the radio connector

• Ensure there is good signal strength (at least one 

green light ON)

• Verify the installation area is not experiencing a net-

work outage

Four Flashes

Insufficient Signal 
Strength

• Ensure there is good signal strength (at least one 

3G4010 green light ON)

• Ensure the antenna cable is plugged securely into the 

radio connector

Five Flashes

Configuration Trouble

• Ensure the SIM card is activated