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Fan and communications module LED
The fan and communications module has one LED, as shown in Figure 91.
Table 21 describes the fan and communications module LED.
Table 21. Fan and communications module LED
LED Color Normal status
Problem
status
Possible conditions indicated by the
problem status
1
Fan and
communications fault
Amber Off On
v The fan and communications module
has failed or is installed incorrectly.
v The temperature of the DS4500 is too
high.
1
Always use the storage-management software to identify the failure.
Figure 91. Fan and communications module LED
132 IBM TotalStorage DS4500 Fibre Channel Storage Subsystem: Installation, User’s, and Maintenance Guide