Hybrid Ultra
855-350-050_Rev2.0_Instruction Manual
Page
36
of 84
Table 20. DC-DC Converter Module Alarms
Alarm
Condition
Trigger Condition
Module
Output
4
Red
LED
Green
LED
Alarm
Relay
Send
2
Module Power
Failure
Loss of AC and
DC bus
connection
Disabled
Off
Off
Active
Yes
Module
Operating
Normal Operation
Enabled
Off
On
No
-
Current Limit
(warning only,
display will
flash)
Output current
approaches within
1 A of the max
current limit setting
Enabled
Off
On
No
-
Fan Failure
Fan is not
operating to spec
Enabled
Off
On
No
Yes
Output Under-
voltage
Low output
voltage
Enabled
Off
On
No
Yes
Manual Disable
Output switched
off by ICM or GUI
Disabled
Blink
Off
No
-
Input Voltage
Failure
DC input voltage
out of range
Disabled
On
Off
Active
Yes
Module Fault
Internal aux
voltages out of
range
Disabled
On
Off
Active
Yes
Over Temp
Shutdown
Internal temp too
high
Disabled
On
Off
Active
Yes
Output Over-
voltage
Output above set
point (manually re-
enable DC output
to reset)
Disabled
On
Off
Active
Yes
2
E-mail notifications only sent if enabled in the unit’s web-GUI E-mail Setup page, and either AC or DC
power is available for the system to be operational.
4
DC-DC Output of other Modules is not affected when a Module Alarm occurs.
Table 21. Load Distribution Module (LDM) Alarms
(cont’d on next page)
Alarm
Condition
Trigger Condition
Output
Relays
ICM
Required
Alarm
Relay
Send
2
Module Power
Failure
Loss of AC and DC bus
connection
Open
No
-
Yes
No Alarms
Normal Operation,
outputs enabled
Closed
No
No
-
Circuit Breaker
Open
Circuit breaker opened
or tripped
Closed
Yes
Active
3
Yes
Output
Undercurrent
Output current drops
below setting for 5 s
Closed
Yes
Active
3
Yes