Connections and Signalling outputs
Load / -
Screw terminals Voltage output to load
GEN PSU Fault (normally
closed contact)
0.10 A @ 60 Vdc 16Ω solid state relay contacts, volt free
Open if Mains failed and battery voltage < 23 V or fault PSU fault
condition, (see below)
EPS Fault (normally closed
contact)
0.10A @ 60 Vdc 16Ω solid state relay contacts, volt free
Open if loss of mains for > 10 seconds
Temperature sensor
Thermistor input from supplied battery terminal thermistor.
BATT + / -
Connection to back up battery using supplied battery lead.
Optional Serial interface
5 pin header (For details contact Elmdene Technical Support)
Fault Outputs
EPS Fault
GEN Fault
Condition
Possible Cause
Action
C
LOSED
C
LOSED
Normal
operation
Mains present
Battery healthy
None
O
PEN
C
LOSED
Standby
Mode
Mains lost
Battery driving load
Investigate loss of mains
C
LOSED
O
PEN
Fault
Present
Blown fuses
Battery fault
Internal fault
Investigate fault source
using diagnostic LED
Rectify fault where
possible
O
PEN
O
PEN
PSU
Shutdown
Mains lost
Standby battery exhausted
Restore mains as soon
as possible
LED Indication
YELLOW LED
Fault LED
GREEN LED
Mains supply On
DIAGNOSTICS
Diagnostic LED (Not visible through front panel)
Fault Diagnostic table – Front panel - User
Yellow LED
Fault
Green LED
Mains
Condition
Possible Cause
Action
O
FF
O
N
Normal
operation
Mains present
Battery healthy
None
F
LASH
C
ONTINUOUS
O
N
or O
FF
Fault
Blown fuses
Battery fault
Internal fault
Contact service
engineer
1 P
ULSE
O
FF
Standby Mode
Mains lost
Battery driving load
Investigate loss of
mains
S
IGNALLING AND
D
IAGNOSTICS
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