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8-12 Installation and Troubleshooting Guide
Yes. Replace the ACM(s) with the lit fault indicator as soon as possible. If a
replacement ACM is not immediately available, the unit must be shut down to
prevent overheating. See the
Dell OpenManage Array Manager User's Guide
for
the proper procedure for shutting down the system without incurring data loss.
No. Proceed to step 2.
2. Is a single fault indicator on a single ACM lighted?
Yes. Replace the ACM with the lit fault indicator. The unit safely operates until
the ACM is replaced.
No. Proceed to step 3.
3. Is the problem resolved?
Yes . End troubleshooting.
No. See Chapter 9, “Getting Help,” for instructions on obtaining technical
assistance.
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NOTE: Removing the ACM also removes the battery pack. If the controller is not
currently in conservative cache mode, once the ACM is removed, it will go into con-
servative cache mode. See the Dell OpenManage Array Manager documentation for
information on troubleshooting the battery.
To remove an ACM, perform the following steps:
1. Ensure that access to the faulty advanced cooling module is not restricted by
power cords or cables.
2. Unscrew the captive screws that secure the ACM in its slot.
3. Pull the cooling module out of its slot and set it down on a smooth surface,
upside down.