Step 4
This step performs a visual and physical check in an attempt to fix the problem.
1. Prepare the 7226 Storage Enclosure for Service. See “Preparing the 7226 Storage
Enclosure for Removal or Installation of a Storage Device or Other Component”
on page 138 for the correct procedure.
2. Open the 7226 Storage Enclosure for Service. See “Opening the 7226 Storage
Enclosure for Service” on page 174 for the correct procedure.
3. Visually inspect all of the internal components in the enclosure. Look for any
signs of wear, damage, contamination, or excessive heat. Replace any
component that appears to be damaged.
4. Physically check each cable connection and ensure all cables are fully seated
and secured.
5. Plug the enclosure into an electrical outlet and press the power switch.
Does the 7226 power on?
NO Go to Step 5.
YES Reassemble the enclosure. The problem is fixed.
Step 5
This step checks the power supply voltage levels as the possible source of the
problem.
1. Press the power switch to turn off the power to the 7226 Storage Enclosure.
2. Unplug the 7226 Storage Enclosure from the electrical outlet.
3. Disconnect the power connectors from the drives and interface assemblies.
4. Connect the power cable to both the 7226 Storage Enclosure and to the
electrical outlet.
5. Press the power switch to turn on the power.
Does the 7226 power up and is air flowing from both fans?
NO Replace the enclosure (see Chapter 11, “Installation and Removal
Procedures,” on page 135), and then return to Step 1.
YES Reconnect the power supply to all cables and continue.
1. Press the power switch to turn off the power to the 7226 Storage Enclosure.
2. Disconnect the power connector from the drive in Bay A.
3. Press the power switch to turn on the power.
Does the 7226 power up?
NO Turn off the power, reconnect the power connector to the drive in
Bay A, and then disconnect the power connector from the back of
the drive in Bay B. If the drive in Bay A then powers on normally,
replace the drive in Bay B and then return to Step 1. If not, go to
Step 6.
YES Replace the drive in Bay A and then return to Step 1.
124 7226 Storage Device Enclosure Setup, Operator and Service Guide
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