C-60, Wing-A, Phase-II, Noida-201 305, Dist: Gautam Budh Nagar (U.P) INDIA Phone : +91-120-38748 00 / 01
C&S Electric Ltd.
(Protection & Measurement Devices)
For further information, please contact:
1800 572 2012
Technical Question or After-sales Service
Customer Center Quick Response
Service, Excellent Technical Support
Wrong measuring
& tripping values
S e t t i n g a r e n o t
g e t t i n g s a v e &
changed
Wrong connection/
Wrong CT Ratio
Wrong polarity of CT
Relay is in Trip/
Pickup state
Check the wiring as per
diagram.
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.
Cause of Problem
Problem
Remedy
Trouble Shooting Points
Digital outputs are
not operating
Aux Supply is not connected
Two Digital outputs (Relays)
work only in presence of
Auxiliary supply. To recheck
the Digital output operation,
Go to Trip Test Menu, Enter in
the <LED/RLY TST> option &
test the Relays.
Tripping coil not
operating
W r o n g c o n n e c t i o n /
I n s u f f i c i e n t c u r r e n t t o
generate energy for Trip
1) Wiring to be checked.
2) Check whether the coil is
healthy.
3) Check the front Trip Ready
G r e e n L E D . I t s h o u l d
continuously blink. If it is not
blinking then relay can`t trip
the coil (insufficient energy
because of low current).
4) Use Trip Test to verify the
connection & relay operation.
Issue Date : 1
1.06.20, Rev
. No : 05, Rev
. Date : 18.05.22
Relay is not getting
on through Battery
1) Low Battery
2) Battery Seal is applied
1) P o w e r O N t h e r e l a y
through Aux supply / current /
USB & go to battery status
menu, If Battery is low then it
display the Battery status
N O T O K . R e p l a c e t h e
battery
2) Check whether Battery
Seal is removed & both the
batteries are inserted with
proper polarity.
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