Geokon GeoNet 8900 Series Instruction Manual page 44

34 | TROUBLESHOOTING | GEOKON
SYMPTOM: LOGGER DOES NOT HAVE POWER
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Ensure that the polarity of the batteries matches the diagram on the battery
holder. Also check that the batteries are firmly seated.
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The batteries may be improperly installed. Check their placement.
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The batteries inside the unit may be dead. Replace the batteries.
SYMPTOM: LOGGER WILL NOT SYNCHRONIZE WITH NETWORK
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If the red status light on a logger is flashing at 10 second intervals, it means
the logger was once connected to a network, but the network is not present
now, or the gateway has been reset, resulting in an equal but not
overlapping radio cycle.
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Ensure that the network is functioning in deployment mode (red light
flashing every 10 seconds on the gateway), and that the channel setting is
correct. Follow the steps in Section 4.3 to remove and reinsert the batteries
in the logger.
SYMPTOM: NO DATA FROM LOGGER
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Be sure logger is powered.
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With network in deploy mode, observe either red and green lights only, or
green lights every 10 seconds, on the logger.
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Make sure network time is set.
SYMPTOM: GREEN LIGHT FLASHES SLOWLY (ONCE PER SECOND)
Bootloader is activated, complete the following:
1. Change channel switches to a valid setting.
2. Press the Reset button on the circuit board.
SYMPTOM: GREEN AND RED LIGHT ALTERNATING
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Device malfunction, contact .
GEOKON