5.2.2.1.3 AC FLT
This LED illuminates when the AC input voltage falls below approximately 85% of the
nominal input voltage setting.
5.2.2.1.4 COM FLT
This LED illuminates on any of the following conditions:
High or Low Battery Voltage
High or Low Output Voltage
Missing / Damaged Battery
Earth Ground Fault
Fault received on ABC connector
5.2.2.1.5 GND FLT
This LED illuminates whenever there is an Earth Ground Fault between either positive or
negative rail of the power supply output.
5.2.2.2 Indicators on the SPS4 Board
The SPS4 contains three visual indicators
Lights when the SPS4 detects a fault condition
Yellow
Fault
FLT (D6)
Lights when DC voltage is present on the output
Green
DC Output
DC OUT (D8)
Lights when DC voltage is present on the input
Green
DC Input
DC IN (D7)
Conditions
Color
Description
LED
5.2.2.2.1 DC IN
This LED illuminates whenever there is DC voltage present on the input of the SPS4.
5.2.2.2.2 DC OUT
This LED illuminates when DC voltage is available at the outputs of the SPS4.
5.2.2.2.3 FLT
This LED illuminates if the DC output of the SPS4 goes either high or low or if the output
fuse (F1) ruptures.
RMMV Series Installation Instructions
7/13/2009, 10:26:56 AM
52-391 Rev A.02
Page 14 of 20
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