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vFollow the suggested actions in the order in which they are listed in the Action column until the problem is solved.
vSee the Chapter 8, “Parts Listing, TD200x Machine Types 3719, 3821, 3822, and 3823,” on page 237 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).
vIf an action step is preceded by “(Trained service technician only),” that step must be performed only by a trained service technician.
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diagnostics LED with |
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the |
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information LED also |
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lit | Description | Action | |
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Memory (MEM) | A memory error has occurred. | 1. Determine whether the CNFG LED is also lit, | |
| Note: The error LED on the DIMM | ||
| which indicates that the memory configuration is | ||
| is also lit. | ||
| invalid. Reinstall the DIMMs in a supported | ||
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| configuration. | |
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| 2. If the CNFG LED is not lit, one of the following | |
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| conditions might be present: | |
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| v The server did not start and a failing DIMM LED | |
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| is lit: | |
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| a. Check for a PFA log event in the | |
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| b. Reseat the DIMM. | |
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| c. Move the DIMM to a different slot or replace | |
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| the DIMM. | |
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| d. (Trained service technician only) Replace | |
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| the system board. | |
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| v The server started, the failing DIMM is disabled, | |
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| and the LED is lit: | |
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| a. If the LEDs are lit by two DIMMs, check the | |
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| the DIMMs, and then replace that DIMM. | |
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| Otherwise, replace both DIMMs. | |
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| b. If the LED is lit by only one DIMM, replace | |
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| that DIMM. | |
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| c. | |
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Microprocessor/ | A hardware configuration error has | 1. (The system error LED, CPU LED, and this LED | |
Memory Configuration | occurred. (This LED is used with the | ||
are lit when POST detects a microprocessor | |||
(CNFG) | MEM, VRM, and CPU LEDs.) | ||
mismatch.) Remove and install two | |||
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| microprocessors of the same cache size, type, and | |
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| clock speed. | |
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| 2. (The system error LED, MEM LED, and this LED | |
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| are lit when POST detects an invalid memory | |
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| configuration.) Remove and install supported | |
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| DIMMs (see “Installing a memory module” on page | |
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| 211). | |
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| 3. (The system error LED, VRM LED, and this LED | |
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| are lit when POST detects a missing VRM.) Install | |
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| a VRM for microprocessor 2 (see “Installing a | |
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| voltage regulator module” on page 180). | |
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| 4. Check the system error log for information | |
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| indicating incompatible components. | |
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