Chapter 9. Power Supply Carrier Replacement; Power Supply Carrier Replacement Overview; Identifying The Failed Power Supply Carrier - Nvidia DGX-2 System Service Manual

Chapter 9.
This chapter describes how to replace a failed DGX-2 System power supply carrier.
The power supply carrier can fail due to a power distribution board failure, or a bad carrier fan.
9.1. Power Supply Carrier Replacement
Overview
This is a high-level overview of the steps needed to replace a power supply.
1. Identify failed power supply carrier using the BMC and submit a service ticket.
2. Get replacement power supply carrier from NVIDIA Enterprise Support.
3. Identify the power supply carrier using the diagram as a reference.
4. Power off the system.
5. Remove the power cords from the three power supplies in the carrier to be replaced.
6. Remove the failed power supply carrier and place on a solid, stable work surface.
7. Move the power supplies to the new carrier.
8. Insert new power supply carrier and secure in place with the thumbscrew.
9. Insert the power cords and make sure the LEDs light up green (IN/OUT).
10.Use the BMC to confirm that the power supply carrier, power supplies, and fans are
working correctly.
11.Power on the system.
9.2. Identifying the Failed Power Supply
Carrier
1. Log on to the BMC.
2. Click Sensor from the left navigation menu and review the PDB entries.
DGX-2 System
Power Supply Carrier
Replacement
DU-09224-001 _v09 | 28