5. Installing Optional Devices
Express5800/R310g-E4, R320g-E4, R320g-M4 Maintenance Guide (Windows)
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Chapter 2 Configuring and Upgrading the System
5.6.2
Removing CPU
Remove the heat sink and CPU in the reverse procedure of installation.
Important Tighten the screws as shown below. (Disassembly order 4, 3, 2, 1)
5.6.3
Replacing CPU
Follow the steps below to replace the failed CPU.
1. Identify the failed CPU by viewing Event Log.
2. Remove the CPU/IO module according to
Chapter 2 (5.4.1 Removing CPU/IO Module)
.
3. Install a new heat sink and CPU.
4. See
Chapter 2 (5.4.2 Installing CPU/IO Module)
and install the CPU/IO module.
5. Start the CPU/IO module from NEC ESMPRO Manager or ft server utility.