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P a g e
OVR-15, 27 & 38 LV cabinet Instruction Manual
Wrong recloser
ON/OFF status on
SLD of RER615 HMI
(mismatch with
mechanical ON/OFF
indicator/ LEDs on
RER615)
-OR-
Relay LED or SLD on
relay LCD shows both
( ON/OFF) or no
status
The wiring of the 52a/b aux.
limit switch may be loose or
wrong
(52a/b aux. limit switch is
mounted in HV unit)
Check, secure and correct the
wiring of 52a/b aux. limit switch
as per approved /as built
schematic
The mounting/setting of the
52a/b aux. limit switch may be
wrong/ loose
-OR-
The 52a/b aux limit switch is
faulty/ damaged
(52a/b aux. limit switch is
mounted in HV unit)
-
Check and correct the
mounting/setting of the
52a/b aux. limit switch
-
Replacement of the 52a/b
switch may be needed if
found faulty/damaged
-
Contact ABB Customer
Service Group
4
Recloser (AR) is
Ready but
CLOSE
operation is
not possible
from RER615
Local HMI or
remote
SYN CHECK LED (if
applicable) on relay
HMI turns RED
The phase sequence of the MV
power connections on both
sides of the recloser are not
matching to each other
Check & correct the phase
sequence of the MV power cable
connections to the recloser
terminals
Synchronizing and
Energization check conditions
are not being satisfied as per
settings of SECRSYN function
block.
Check the system voltage
parameter and network status
5
Battery Failure
Battery Status LED
on relay HMI turning
RED
MCB for Battery is OFF
Switch ON the MCB for Battery
Battery connections to
charging device loose or with
wrong polarity
Check, correct and secure
battery connections to charging
device with correct polarities
Battery unhealthy (Battery may
have undergone deep
discharge; excessive
temperatures; or exceeded
working life)
Check battery health and
replace the battery if needed.
6
Condition
monitoring
alarm
activated. This
is proactive
alarm about
recloser
condition
which may
need attention
in near future
Condition monitoring
alarm on relay HMI
turning RED
ACM is taking more than 20
seconds to become ready
Follow steps in point no. 3.0
above
Out of the rated life of 10000
CO operations , 9500 CO
operations completed and last
1000 CO operations are
remaining
Contact the nearest ABB
Customer Service Group for
further advice
Recloser has completed a
greater number of open
operations on higher currents
(fault currents)
Recloser is in "inactive " (no
close/open operations) stage
for more than 2000 days ; after
the latest ON/OFF operation
while LV unit powered ON
