Hardware replacement procedures
- Replacing a power supply
- Replacing a fan
- Replacing the controller module
You must review the prerequisites for the replacement procedure and select the correct one for your version of the ONTAP operating system. - Replacing a DIMM
You must replace a DIMM in the controller module when your system registers an increasing number of correctable error correction codes (ECC); failure to do so causes a system panic. - Replacing the boot media
- Replacing the real-time clock battery
You replace the real-time clock (RTC) battery in the controller module so that your system’s services and applications that depend on accurate time synchronization continue to function. - Replacing mezzanine cards
- Replacing the NVMEM battery
To replace an NVMEM battery in the system, you must remove the controller module from the system, open it, replace the battery, and close and replace the controller module. - Replacing the chassis
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