NE-M Installation Guide
H5692448
850050111
Issue 03 August 2017
78
Rectifiers/Converters
Status of a rectifiers and converters is provided by LEDs on their faces, and by extensive real time data, alarm and
event history accessible through the system controller.
Figure 88 Rectifier Face Plate
Non-Eco rectifiers powered by PV (solar) panels will not operate properly.
•
Under some conditions their LEDs may indicate normally operation: Norm LED ON.
•
Various other LED conditions and rectifier status (observed via the controller) may occur with variations in DC
input and load.
Rectifier/Converter Troubleshooting
1.
Verify rectifier positions per the procedure in the Verify Rectifier Positions section.
2.
Observe and compare Rectifier/Converter Status LEDs with Controller Status information.
3.
Use the table below as a troubleshooting guide.
Rectifier/Converter LEDs
Table 11 Rectifier/Converter LEDs
LEDs
Condition
Normal operation:
No alarms, inputs and outputs are in their normal range,
communicating with the system controller.
Unpowered:
No input or output voltage present.
1.
Remove and reinsert unit.
2.
Check input voltage with a voltmeter;
if input voltage is present, replace unit.
3.
Check output bus voltage with a voltmeter;
if output bus voltage is present, replace unit.
Standby:
The unit is okay, but has been placed in Standby by the controller and is not
delivering power.
Note:
If a unit in standby loses communications with the controller it will exit Standby
mode and deliver power
33
ACF LED on rectifiers is replaced by INF LED on Converters.
Type Badge
Cooling Fan
Air Inlet
Serial Number and CLEI Code
(text and barcode)
(INF on Converter)