POWER ON
LED not
glowing
Wrong
measurement /
display
Setting are not
getting save &
changed
Protection not
getting picked
up
Aux Power not available/
connected
Relay not inserted properly
Relay not inserted properly
in the enclosure
/
Wrong connection
Relay is in Trip/Pickup
state
Protection is in Block via
Digital Input
1) Check Aux power availability /
connection.
2) Draw out & reinstall the relay
firmly & smartly.
1) Check the BLUE LED on the
front fascia. It must glow. If it is not
ON, it means relay is not inserted
in the enclosure properly. Draw out
the unit & reinsert it properly so hat
front BLUE LED should be steady
ON.
2) Check the VA Burden of
primary CT. It should closely match
with the VA Burden of Relay.
3) Front Door must be closed.
Don`t put extra pressure.
4) Polarity of CT wire needs to be
checked. It can cause a wrong
measurement.
1) Relay will not allow changing its
setting unless it is in healthy state.
There should not be any pickup &
present fault should be
acknowledged. Press Reset button
& clear the entire fault.
Protection can be deactivated via
Digital Input configuration.
Plz check the Digital Input & its
assignment for protection Block
Cause of Problem
Problem
Remedy
Trouble Shooting Points
11
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