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Chapter 3: FRU Removal and Replacement Procedures
Replacing an Expansion Module ESM Canister
Quantum DXi6900-S Field Service Manual
169
Figure 124:
Checking Expansion Module ESM Status
4. Locate the failed ESM canister on the back of the Expansion module by viewing the
Service Action
LEDs
).
Figure 125:
Expansion Module ESM Canister Failure LEDs
Service Action
Description
Service Action
Required
This LED is lit when the component has failed, but it is not yet in a state to be
replaced.
Service Action Allowed
This LED is lit when the component has failed and is ready to be replaced.