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Installation and Operation
9 Troubleshooting
The following errors may occur during operation:
Symptom: Sensor status LED on the system module indicates a fault message (flashing orange).
Possible cause: Sensor line is interrupted or has short circuited.
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Remedy: Check that the connections on the sensor and system are secure. Exchange any damaged cables
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or
Remedy: Check the cable connections with the PRÜFTECHNIK installation checker (item no. VIB 8.745).
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Proceed as follows:
Use a cable with banana plugs and alligator clips to connect the sensor cable to the input terminals (1).
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The three status LEDs on the housing indicate the condition of the sensor cable:
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Green LED: OK
Red LED: Short circuit
Yellow LED: Ground loop
If none of the LEDs illuminate during testing and the battery is known to be fresh, then the sensor connection is bro-
ken. The installation checker is powered by a 9V battery. Battery condition can be checked as follows:
Connect the 'BATT. TEST' and 'GROUND' terminals (2)).
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If the yellow LED illuminates, then battery voltage is below 5 volts and is no longer sufficient for reliable tes-
ting.
PRÜFTECHNIK-installation checker, VIB 8.745
Symptom: The SYSTEM LED on the system module does not light up.
Possible cause: Supply voltage is not applied.
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Remedy: Connect to supply voltage.
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Edition: 03.2019
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