GE Industrial Solutions GPS 4848_100 Users Guide (single rectifier shelf) - Manual (Page 32)

Galaxy Power System 4848/100 with 595 Series Rectifiers S1:3 and later
4 - 2 Rectifiers Issue 10 February 2008
Front Panel Display
Power Switch This three-position switch has two active states:
• It controls the on/standby state of the rectifier.
• It is used to set the rectifier ID.
Status Indicators In addition to the ON and STBY LEDs, four other LEDs on the
rectifier’s faceplate indicate the rectifier’s condition.
• The ALM LED is red and lights when a thermal alarm occurs or a
rectifier fail condition occurs. This LED blinks when
communication with the plant controller is not active.
• The LIM LED is yellow and lights when the unit is in current limit.
• The FAN ALM LED is red and lights when the fan inside the
rectifier is not functioning properly.
• The EQL LED is yellow and lights when the rectifier is in equalize
mode.
Current Display This display indicates the current of the rectifier. Upon specific
no-power conditions, the 3-digit display will show informative
messages.
Lamp Test To test the LEDs on the rectifier front panel, press the Lamp Test button
on the controller.
Illustration
Figure 4-1: Rectifier Front Panel
ON
ON
OFF
ID
CURRENT
STBY
ALM
LIM
FAN ALM
EQL
200A/48V