Confirm That 350V Is Off To The Disk Enclosure <= Ssr Task - IBM Power775 Service Procedure

Power775 Disk Enclosure Chassis Service Procedure
3.6 Confirm that 350V is off to the Disk Enclosure <= SSR TASK
STEP 16 Confirm that 350V is off
All LEDs in the DE should now be off. If they are not, do not proceed. Have the customer
attempt the power off again or contact the next level of support.
NOTE: It is possible for the DE to have its outputs off, but the 350V still on.
Check to make sure the green T1 and T4 350V Input Power LEDs have turned off on both DE
DCCAs before proceeding (see Figure 11).
Figure 11: T1 and T4 Input Power LEDs on the DE DCCAs
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