Troubleshooting; F.2 T Roubleshooting - Geokon 8800-2-1A Instruction Manual

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F.2 Troubleshooting
 Make sure the green light is flashing on and off in one second intervals.
 The B8800-5 multicolored upgrade ribbon cable must be used on all units with the exception
of the RS-232 version supervisor.
 Updates should be done using the Geokon provided 8001-7 USB to RS232 adapter. Other
adapters and native serial ports have been unreliable.
 Make sure the batteries are fresh.