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Log Reference

S9300, S9300E, and S9300X V200R010C00

This document provides the explanations, causes, and recommended actions of logs on the product.
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ALML/4/48V_CHECK_FAULT:The "[STRING1]" sensor [ULONG] of [STRING2] detects a 48V_CHECK signal warning.


A sensor detects two-channel 48 V power supply signal.


Parameter Name Parameter Meaning
STRING1 Indicates the entity name.
STRING2 Indicates the sensor name.
ULONG Indicates the sensor ID.

Possible Causes

The power supply line for a board is faulty, which causes the board unable to be powered on.


  1. Run the display power command to check whether the power module is installed properly.
    • If so, go to step 2.
    • If not, install the power module properly.
  2. Rectify the fault according to "A Power Module Cannot Provide Power" in the Revelations of Troublesolving - Campus Switch - Hardware Fault.
Updated: 2019-08-21

Document ID: EDOC1000142069

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