HP StorageWorks 2/64 HP StorageWorks Core Switch 2/64 and SAN Director 2/128 I - Page 113
Replacing a blower assembly
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Replacing a blower assembly This procedure provides instructions for replacing a switch blower assembly. The switch requires a minimum of two operating blower assemblies at all times. To ensure continuous adequate cooling, maintain three operating blower assemblies at all times except for the brief period when replacing a blower assembly. The port cards automatically shut down if the internal temperature range is exceeded. CAUTION: Disassembling any part of the blower assembly voids the part warranty and regulatory certifications. There are no user-serviceable parts inside the blower assembly. Use these steps to replace a blower assembly. A #2 flathead screwdriver is required. 1. Before removing the blower assembly, verify the other two assemblies are functioning correctly. The blower assembly Power LED should be steady green and the Fault LEDs should not be lit (see Figure 2 on page 17 for LED locations). 2. Remove the blower assembly from the chassis: a. Use the screwdriver to loosen the self-retaining screws at top and bottom of blower assembly. b. Push in the top of the handle, pull out the lower part of the handle, and pull the blower out of the chassis. NOTE: Support the blower assembly from underneath while removing it from the chassis. 3. Install the new blower assembly in the chassis. a. Orient the blower assembly as shown in Figure 27 and slide it into the chassis, pushing firmly to ensure that it is seated. CAUTION: Do not force the installation of the blower assembly. If the part does not install easily, ensure that it is properly oriented. b. Verify that the Power LED displays a green light; if not, ensure that the blower assembly is correctly seated. c. Push the top of the handle into the recess. d. Tighten the self-retaining screws to finger-tight. Core Switch 2/64 and SAN Director 2/128 installation guide 113
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