Deployment Guide

Table Of Contents
In normal operation, the amber LED is:
Off if there is no drive present.
Off as the drive operates.
On if there is a drive fault.
Figure 32. LEDs: Drive carrier LEDs (SFF and LFF modules) used in 2U enclosures
1. Disk Activity LED 2. Disk Fault LED
3. Disk Fault LED 4. Disk Activity LED
5U enclosure LEDs
Use the LEDs on the 5U enclosure to help troubleshoot initial start-up problems.
NOTE:
When the 5U84 enclosure is powered on, all LEDs are lit for a short period to ensure that they are working. This
behavior does not indicate a fault unless LEDs remain lit after several seconds.
5U PSU LEDs
The following table describes the LED states for the PSU:
Table 16. PSU LED states
CRU Fail (Amber) AC Missing
(Amber)
Power (Green) Status
On Off Off No AC power to either PSU
On On Off PSU present, but not supplying power or PSU alert state.
(typically due to critical temperature)
Off Off On Mains AC present, switch on. This PSU is providing power.
Off Off Blinking AC power present, PSU in standby (other PSU is providing
power).
Blinking Blinking Off PSU firmware download in progress
Off On Off AC power missing, PSU in standby (other PSU is providing
power).
On On On Firmware has lost communication with the PSU module.
On -- Off PSU has failed. Follow the procedure in Replacing a PSU
in the Dell EMC PowerVault ME4 Series Storage System
Owners Manual.
5U FCM LEDs
The following table describes the LEDs on the Fan Cooling Module (FCM) faceplate:
Troubleshooting and problem solving
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