Vertiv™ Rectifier Module User Manual
Proprietary and Confidential © 2022 Vertiv Group Corp.
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3
Troubleshooting and Repair
3.1
Troubleshooting
3.1.1
Rectifier Current Sharing Imbalance
When multiple rectifiers are operating in parallel and the current sharing imbalance among them is greater than 20%, check if the
rectifier is properly seated in the Power/Distribution Shelf.
If the current sharing imbalance still persists following the verification suggested above, replace the rectifier which has had its current
sharing function disabled.
3.1.2
Rectifier Fault Symptoms and Troubleshooting
The fault indicators that can be displayed by the rectifier are as follows. Refer to
for a list of possible causes and corrective
actions.
•
Power indicator (Green) OFF
•
Protection indicator (Yellow) ON
•
Protection indicator (Yellow) flashing
•
Alarm indicator (Red) ON
•
Alarm indicator (Red) flashing
