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10.4 Removing a Power Supply Unit 198
10.4.1 Accessing a power supply unit 199
10.4.2 Removing a power supply unit 199
10.5 Installing a Power Supply Unit 200
10.5.1 Installing a power supply unit 200
10.5.2 Restoring the chassis 200
10.6 Restoring the System 200
10.6.1 Active/Hot maintenance 201
10.6.2 Active/Cold maintenance 201
10.6.3 Inactive/Hot maintenance 202
10.6.4 Inactive/Cold maintenance 202
10.6.5 System-stopped maintenance 203
Chapter 11 Maintaining the Fan Units 205
11.1 Configuration of the Fan Units 205
11.2 Before Maintaining a Fan Unit 206
11.2.1 Types of maintenance 207
11.2.2 Maintenance flow 207
11.2.3 Precautions for replacement 207
11.3 Enabling the Removal of a Fan Unit 208
11.3.1 Active/Hot maintenance 208
11.3.2 Active/Cold maintenance 209
11.3.3 Inactive/Hot maintenance 209
11.3.4 Inactive/Cold maintenance 211
11.3.5 System-stopped maintenance 211
11.4 Removing a Fan Unit 212
11.4.1 Accessing a fan unit 213
11.4.2 Removing a fan unit 213
11.5 Installing a Fan Unit 214
11.5.1 Installing a fan unit 214
11.5.2 Restoring the chassis 214
11.6 Restoring the System 214
Fujitsu M10-4/Fujitsu M10-4S/SPARC M10-4/SPARC M10-4S Service Manual • December 2013viii