PowerEdge: XE9680/XE9640/XE8640 Transient and peak load causing over current threshold alert in power supplies
Summary: The overcurrent threshold alert may be triggered on XE9680, XE9640, and XE8640 servers during transient peak load conditions.
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This article does not apply to
This article is not tied to any specific product.
Not all product versions are identified in this article.
Symptoms
Transient heavy workloads such as NVIDIA Data Center GPU Manager (DCGM) tests may stop responding.
No alerts are logged in the standard level of the System Event Log (SEL) or LifeCycle Controller (LC) log.
No alerts are logged in the standard level of the System Event Log (SEL) or LifeCycle Controller (LC) log.
Cause
Over current settings in the Power Supply Unit (PSU) must be adjusted.
Resolution
Update power supply firmware:
For Liteon 2800W 54V PSU (DPN: NCMPF, 9NT8P) to version 00.08.08: https://www.dell.com/support/home/en-us/drivers/driversdetails?driverid=yxhcp
For AEI 2800W 54V PSU (DPN: FX9WJ) to version 00.0D.12: https://www.dell.com/support/home/en-us/drivers/driversdetails?driverid=g8kw5
For Delta 2800W 54V PSU (DPN: 1PDR6) to version 00.0BFC: https://www.dell.com/support/home/en-us/drivers/driversdetails?driverid=9c8h5
Affected Products
PowerEdge XE8640, PowerEdge XE9640, PowerEdge XE9680Article Properties
Article Number: 000224648
Article Type: Solution
Last Modified: 22 Jan 2026
Version: 3
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