- Notes, cautions, and warnings
- Dell PowerEdge R730 system overview
- Documentation resources
- Technical specifications
- Initial system setup and configuration
- Pre-operating system management applications
- Options to manage the pre-operating system applications
- System Setup
- Viewing System Setup
- System Setup details
- System BIOS
- iDRAC Settings utility
- Device Settings
- Dell Lifecycle Controller
- Boot Manager
- PXE boot
- Installing and removing system components
- Safety instructions
- Before working inside your system
- After working inside your system
- Recommended tools
- Front bezel (optional)
- System cover
- Inside the system
- Cooling shroud
- Cooling fans
- Cooling fan assembly
- System memory
- Processors and heat sinks
- PCIe card holder
- Cable retention bracket
- Integrated storage controller card
- Expansion cards and expansion card riser
- Expansion card installation guidelines
- Removing an expansion card from expansion card riser 2 or 3
- Installing an expansion card into the expansion card riser 2 or 3
- Removing an expansion card from the expansion card riser 1
- Installing an expansion card into the expansion card riser 1
- Removing the riser 1 blank
- Installing the riser 1 blank
- Removing expansion card risers
- Installing expansion card risers
- GPU card installation guidelines
- Removing the GPU card
- Installing a GPU card
- IDSDM
- Network daughter card
- Internal USB memory key (optional)
- System battery
- Power supply units (PSU)
- System board
- Trusted Platform Module
- Hard drives
- Removing a 2.5-inch hard drive blank
- Installing a 2.5-inch hard drive blank
- Removing a 3.5-inch hard drive blank
- Installing a 3.5-inch hard drive blank
- Removing a hot swappable hard drive or solid state drive
- Installing a hot swappable hard drive or solid state drive
- Removing a hard drive or a solid state drive from a hard drive carrier
- Installing a hard drive or solid state drives into a hard drive carrier
- Removing a 1.8-inch hard drive blank
- Installing a 1.8-inch hard drive blank
- Removing a 1.8-inch hard drive from a hard drive carrier
- Installing a 1.8-inch hard drive into a hard drive carrier
- Hard drive backplane
- Tape backup unit (optional)
- Optical drive (optional)
- SD vFlash card (optional)
- Control panel assembly
- Using system diagnostics
- Jumpers and connectors
- Troubleshooting your system
- Troubleshooting system startup failure
- Troubleshooting external connections
- Troubleshooting the video subsystem
- Troubleshooting a USB device
- Troubleshooting iDRAC Direct - USB XML configuration
- Troubleshooting iDRAC Direct - Laptop connection
- Troubleshooting a serial input and output device
- Troubleshooting a NIC
- Troubleshooting a wet system
- Troubleshooting a damaged system
- Troubleshooting the system battery
- Troubleshooting power supply units
- Troubleshooting cooling problems
- Troubleshooting cooling fans
- Troubleshooting system memory
- Troubleshooting an internal USB key
- Troubleshooting a micro SD card
- Troubleshooting an optical drive
- Troubleshooting a tape backup unit
- Troubleshooting a drive or SSD
- Troubleshooting a storage controller
- Troubleshooting expansion cards
- Troubleshooting processors
- System messages
- Getting help
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Dell PowerEdge R730 Owner's Manual
Removing a DC power supply unit
Prerequisites
NOTE: For equipment using
–(48–60) V DC power supply units (PSUs), a qualified electrician must
perform all connections to DC power and to safety grounds. Do not
attempt connecting to DC power or installing grounds yourself. All
electrical wiring must comply with applicable local or national codes
and practices. Damage due to servicing that is not authorized by Dell
is not covered by your warranty. Read and follow all safety instructions
that came with the product.
CAUTION: The
system needs one power supply for normal operation. On power-redundant
systems, remove and replace only one power supply at a time in a system
that is powered on.
NOTE: You may have to unlatch
and lift the optional cable management arm if it interferes with power
supply removal. For information about the cable management arm, see
the rack documentation of your system.
Steps
- Disconnect the power wires from the power source and the connector from the PSU you intend to remove.
- Disconnect the safety ground wire.
- Press the release latch and slide the PSU
out of the chassis by using the PSU handle.
Figure 1. Removing a DC PSU 
- release latch
- power supply status indicator
- PSU
- power connector
- PSU handle
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