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Technical Support: +44(0)23 9269 6638 (option 3)
PAK200790_02A Oct 2019 ©2019 ELMDENE INTERNATIONAL LTD
T
ROUBLE
S
HOOTING
Front Panel Legend
The PSU will identify a fault the PSU (LED3)
Further information can be obtained by observing the flash sequence of LED 4 and using the tables below
LED KEY
ON
OFF
FLASHING ON/OFF
FLASHING GREEN/YELLOW
Mains
LED #1
Condition
Possible Cause
Action
GREEN
Mains OK
YELLOW
Mains lost
(Battery supporting load)
Mains lost /
Battery supporting load.
Investigate loss of mains.
OFF
PSU off
–
No power
(Battery depleted)
Mains lost /
Battery not supporting load.
Restore mains, confirm batteries are in
working condition
Batt
LED #2
Condition
Possible Cause
Action
GREEN/YELLOW
Fast
Flash
Battery
in process of connecting
Battery connecting
No action
–
Wait for battery connection to complete
GREEN Flash
x1
Normal operation
(Battery connected)
Battery in bulk charge
No action
–
Battery charging normally
GREEN
Normal operation
(Battery connected)
Battery healthy.
No action
–
System healthy.
(Battery in good state of charge)
YELLOW
Battery fault
Battery disconnected
Low Battery Volts
High impedance in battery
connection.
Ri max 750m
Ω
Battery internal fault (detected
during load test).
Note LED #4 Flash sequence and refer to
table
#
Indicator
Functional states
1
Mains status
Fault / Standby (support) operation / OK
2
Battery status
Battery Fault / Bulk Charging / Battery OK
(charged)
3
Fault status
No Fault(s) / GEN (PSU) Fault
4
Diagnostic
status
See ‘
Status and Fault-Diagnostic LED
(
Indication’
table, below)
5
OP1 status
Fault / OK
6
OP2 status
Fault / OK
