Fluke VIBGUARD IIoT Installation And Operation Manual page 51

Possible cause: Supply voltage parameters out of specification.
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Remedy: Provide suitable supply voltage.
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or
Possible cause: No output voltage generated by power supply unit.
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Remedy: Replace power supply unit.
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Proceed as follows to remove the defective power supply unit:
Push in the locking lever and pull the power supply unit (1T1) upwards.
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or
Possible cause: Unknown fault on the system module.
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Remedy: It is not possible to troubleshoot the system module directly. In the event of a malfunction, the sys-
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tem module must be sent to the manufacturer.
Proceed as follows to remove the system module:
Disconnect the green terminal connectors from the system module to which cables are connected.
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Remove the system module from the top hat rail.
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VIBGUARD IIoT
Installation and Operation
51