IBM StorageSmart DF1100J, Operator'S Manual

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Before Exchanging a Fan-and-Power-Supply Assembly
Check the lights on this fan-and-power-supply assembly (see: “Fan-and-Power-
Supply Assemblies” on page 5). Ensure that the DC On/Standby switch is on.
Attention: If the Check light is not on, do not exchange the power-supply
assembly; call your service representative and report the problem.
If the Check light is on, exchange the fan-and-power-supply assembly by using the
procedure in the following section.
To Exchange a Fan-and-Power-Supply Assembly
1. Set the On/Standby switch
«1¬
on the failed fan-and-power-supply assembly to
Standby.
Note: The fan-and-power-supply DC PWR light
«2¬
may stay on for a short
time. Wait until it is off before you go to the next step.
1
2
Figure 26. Fan-and-Power-Supply On/Standby Switch
22
ProFibre Storage Array: Operator’s Guide