Reference Guide

Troubleshooting
NOTE: To get help for your NVMe PCIe SSD, see Contacting Dell EMC.
NVMe PCIe SSD carrier LED indicators
The LEDs on the NVMe PCIe SSD U.2 carrier indicate the state of each physical device. Each NVMe PCIe SSD carrier in your enclosure
has an activity LED (green) and a status LED (bicolor, green/amber). The activity LED flashes whenever the device is accessed.
Figure 1. NVMe PCIe SSD device carrier LED indicators
1. status indicator
2. activity indicator
3. release button
While the operating system is running, the status indicator provides the current status of the device. The following table lists the device
states along with the associated LED indicator codes.
Table 1. NVMe PCIe SSD U.2 states and LED indicator codes
State Name Slot/Device State Status LED (Green) Status LED (Amber)
Device status off The server or device is not
powered up.
Off Off
Device online The device is powered up. On Off
Device identify (blink) The device is identifying the slot
location or is indicating the
device has received a Prepare
for Removal command from
the host operating system.
On for 250 msec
Off for 250 msec
Off
Device failed The host operating system no
longer has access to the device
because the device is not
responding or has encountered
a critical error condition.
Off
On for 250 msec
Off for 250 msec
Read only The device will only service read
operations.
Off
On for 250 msec
Off for 250 msec
Predicted failure The SMART feature set has
predicted a degradation or fault
condition.
Off for 250 msec
On for 250 msec
On for 250 msec
Off for 250 msec
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Troubleshooting 9