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What does the red LED indicate on the RM4TU relay when it is on?

Published date: 05 June 2020

Issue:
RM4TU unit has a red LED turned on

Product Line:
Zelio Industrial Measurement and Control Relays

Environment:
All Phase Monitoring Relays

Cause:
Flashing red light

Resolution:
It indicates an undervoltage fault.


 

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