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red light will flash one time. Once the LE4020/LE4020CF wireless network trouble condition is corrected, the
red light will then begin flashing two times.
General Troubles With Your System
The control panel is displaying a
telephone line trouble condition
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Ensure T1 and R1 of the LE4020/LE4020CF are wired to the TIP and RING terminals of the
control panel.
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If the LE4020/LE4020CF is being used as the primary communicator, the blue light will
always be OFF.
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If the LE4020/LE4020CF red light is FLASHING, refer to the troubleshooting chart in this
guide.
The control panel displays a com-
munication trouble condition
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Ensure the panel is programmed for Contact ID or SIA.
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Ensure the control panel does not indicate a TLM trouble condition.
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If the LE4020/LE4020CF red light is FLASHING refer to the troubleshooting chart in this
guide.
No signals are received at the cent-
ral station but no trouble condition is
displayed
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Ensure the control panel has a central station phone number programmed.
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Ensure the control panel has the correct account number programmed.
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Verify the reporting codes are programmed or the auto Contact ID option is enabled.
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Ensure the control panel communicator is enabled.
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Connect a handset to T1 and R1 of the LE4020/LE4020CF in monitor mode to verify the con-
trol panel is trying to communicate.
Not receiving internal signals gen-
erated directly from the
LE4020/LE4020CF
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Ensure the LE4020/LE4020CF was initialized with the correct account number. This can be
checked by logging into the C24 Communications website.
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Ensure that no trouble conditions are present on the LE4020/LE4020CF.
The phone line is seized when the
LE4020/LE4020CF is connected
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Verify correct phone line wiring.
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Ensure the Ringer Equivalency Number (REN) is not being exceeded on the line.
General Information
Removing/Connecting the antenna
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To remove the antenna from the LE4020/LE4020CF, turn the external antenna counter clock-
wise until it’s freed from its connector.
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To attach the antenna to the LE4020/LE4020CF, turn the antenna clockwise until it is tightly
secured.
Enrolling a LE4020/LE4020CF
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The LE4020/LE4020CF can be enrolled by going through the GVRU voice prompt, and com-
pleting the activation of the SIM card, and the initialization of the LE4020/LE4020CF.
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The LE4020/LE4020CF can also be enrolled using the C24 Communications website (www.-
connect24.com) or the C24 Communications mobile site (m.connect24.com).
SIM card activation period
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A SIM card can take up to 24 hours to be activated by the provider. However, it typically takes
less than an hour for the SIM card to be activated.
Checking SIM status
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Go to www.connect24.com and login. A search can be performed for a specific account and
its current status
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SIM status can also be checked through the GVRU.
Critical Shutdown on
LE4020/LE4020CF backup battery
(with no DC input applied)
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If the LE4020/LE4020CF backup battery is used and is below 10.5VDC, the unit will go into
critical shutdown.
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The critical shutdown state will be displayed by the red light flashing followed by the blue and
two green lights flashing.
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The lights will continue to flash in this sequence until the battery is charged above 12.4VDC.
Swinger Shutdown for
LE4020/LE4020CF Troubles
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Trouble events can send a maximum of 4 troubles and restorals per day.
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Swinger Shutdown only affects signal transmissions, not the functionality of the
LE4020/LE4020CF lights or PGM outputs.
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Swinger shutdown is reset at midnight or upon a full power cycle of the LE4020/LE4020CF.
LE4020/LE4020CF Installation Manual
