User manual for G3
38
CIU LED indication
d) Credit status LED (1)
The LED supports three levels of visual LED alarm and to indicate the incoming
of supply.
⚫ Normal credit balance: LED in green
⚫ Credit Balance less than alarm value level 1: LED in red
⚫ Credit Balance less than alarm value level 2: LED in red and flashing
Also there is a flag on the display to indicate the balance credit status.
e) Alarm LED(2)
Indicates meter current energy consumption. The CIU adjust the flash
frequency of the impulse LED according to the received current instantaneous
power. The LED is optionally equipped for indicator of alarm or abnormal
condition.
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