Service manual

4 Operating the SA7x
4.1 SA7x Switches and Indicators . . ................................ 4–1
4.1.1 Using the Switches and Indicators ............................ 4–1
4.1.2 Using Drive Power Switches and Indicators .................... 4–4
4.2 Using SA7x Rear Panel Switches and Indicator..................... 4–5
4.3 Applying Power to the SA7x Enclosure ........................... 4–6
4.4 Placing RA7x Drives On Line and Off Line . ....................... 4–7
4.4.1 Placing a Drive On Line.................................... 4–7
4.4.2 Taking a Drive Off Line .................................... 4–8
5 Troubleshooting the SA7x
5.1 Identifying Problems . ........................................ 5–1
5.2 Troubleshooting a Dead Enclosure ............................... 5–1
5.2.1 If the Fault Indicator Is Lit . ................................ 5–1
5.2.2 If the Fault Indicator Is Not Lit.............................. 5–2
5.3 Troubleshooting a Flashing Drive Power Indicator . . . ............... 5–3
5.4 Troubleshooting Excessive Drive Errors or a Fault Condition . . . ....... 5–5
5.5 Reading OCP Error Codes ..................................... 5–5
5.6 Troubleshooting a Drive Not Visible to the Controller . ............... 5–6
5.7 Troubleshooting the OCP ...................................... 5–6
6 Replacing RA7x Disk Drives
6.1 Installing and Removing an RA7x Disk Drive ...................... 6–2
6.1.1 Recording RA7x Disk Drive Serial Numbers .................... 6–3
6.1.2 Reversing the RA70 Shoe Plate .............................. 6–4
6.1.3 Installing an RA7x Disk Drive ............................... 6–6
6.1.4 Removing an RA7x Disk Drive............................... 6–6
6.2 Installing and Removing a Drive Position Filler .................... 6–8
7 Replacing SA7x FRUs
7.1 Required Tools .............................................. 7–2
7.2 Power Supply Removal and Installation . . . ....................... 7–4
7.2.1 Removing the Power Supply ................................ 7–4
7.2.2 Installing the Power Supply . ................................ 7–4
7.3 OCP Removal and Installation . . ................................ 7–4
7.3.1 Removing the OCP ........................................ 7–4
7.3.2 Installing the OCP ........................................ 7–5
7.4 TB2 Removal and Installation . . ................................ 7–6
7.4.1 Removing Transition Board 2................................ 7–6
7.4.2 Installing Transition Board 2 ................................ 7–8
7.5 Transition Board 1 Removal and Installation ...................... 7–9
7.5.1 Removing Transition Board 1................................ 7–9
7.5.2 Installing Transition Board 1 ................................ 7–9
7.6 Fan Assembly Removal and Installation . . . ....................... 7–10
7.6.1 Removing the Fan Assembly ................................ 7–10
7.6.2 Installing the Fan Assembly ................................ 7–10
7.7 Remote OCP Cable Removal and Installation ...................... 7–11
7.7.1 Removing a Remote OCP Cable .............................. 7–12
7.7.2 Installing a Remote OCP Cable .............................. 7–13
7.8 Power Harness Removal and Installation . . ....................... 7–15
7.8.1 Removing a Power Harness . ................................ 7–15
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