v Ensure that the power cable is working and fully seated into the dc power
connector.
v Ensure that the dc power cable is properly connected to the dc power
source.
v Reinstall the power supply.
If these tasks do not solve the problem, contact your IBM technical-support
representative.
19. Complete any remaining Recovery Guru procedures, if needed.
20. Check the status of each component in the storage subsystem.
21. Are any amber LEDs lit on any of the components?
v Yes : Click Recovery Guru in the Subsystem Management window toolbar
and complete the recovery procedure. If a problem is still indicated, contact
your IBM technical-support representative.
v No: Go to step 22.
22. Create, save, and print a new storage subsystem profile.
Replacing a power-fan controller in the DS3500 controller-drive
enclosure
Use one of these procedures to replace a failed power-fan controller in the DS3500
controller-drive enclosure. If your storage subsystem uses AC power, use the
procedure on for AC power-fan. If your storage subsystem uses DC power, use the
procedure for DC power-fan.
Replacing an AC power-fan controller in the DS3500
controller-drive enclosure
Note: You may refer to “Replacing an ac power supply” on page 132 for
additional information and safety precautions.
Before you begin, gather anti-static protection and a replacement AC power-fan
controller.
Attention: Possible equipment damage – You must replace the power-fan
controller within three minutes after removing the failed power-fan controller to
prevent the possibility of overheating the equipment.
You can determine whether you have a failed power-fan controller in two ways:
v The Recovery Guru directs you to replace a failed power-fan controller.
v You locate the failed power-fan controller by checking the Power-Fan Service
Action Required LED.
Attention: Possible hardware damage – To prevent electrostatic discharge damage
to the enclosure, use proper anti-static protection when handling enclosure
components.
1. If possible, use the storage management software to create, save, and print a
new storage subsystem profile.
2. Did the Recovery Guru direct you to replace a failed power-fan controller?
v Yes – Go to step 3.
v No – Run the Recovery Guru to identify the failed component, and go to
step 3.
142 IBM System Storage DS3500 and EXP3500 Storage Subsystem: Installation, User's, and Maintenance Guide
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