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4.1.2 Service Mode
To view detailed trouble information on the status LEDs, the LE4020/LE4020CF must be placed in Service
Mode by removing the front cover. When in Service Mode, the status LEDs indicate the trouble condition as
follows.
Number of Flashes
Trouble Type
RED
BLUE
1
OFF
Wireless network trouble - unable to connect to cellular network
2
OFF
Battery trouble - battery with low voltage output
3
OFF
Input power trouble
1
Flashing Insufficient signal strength - poor location
2
Flashing C24 suppressed trouble
3
Flashing C24 communication configuration trouble
1
ON
Radio/SIM trouble - radio or SIM unresponsive
2
ON
Receiver not available trouble
3
ON
Supervision trouble
4
ON
Cover tamper is open
OFF
-
No trouble
LE4020/LE4020CF Installation Manual
