Product data
Step 11. (from step 10)
Is the enclosure set up for remote power control (that is, is the Power
Control switch of the switch card assembly set to Off)?
NO
a. Exchange, for a new one, the fan-and-power-supply whose CHK
light is on (see “Fan-and-Power-Supply Assemblies” on page 89).
b. Go to “MAP 2410: 2104 – Repair Verification” on page 65 to
verify the repair.
YES
a. Ensure that:
v The DC On/Standby switch is set to On.
v Both ends of the SCSI cable are correctly connected.
v The Power Control switch of the switch card assembly is set
to Off (see “Switch Card Assembly Switches” on page 9).
v The using system is switched on.
b. If the CHK light of the fan-and-power-supply assembly is still on,
pull out the fan-and-power-supply to disconnect it from the 2104,
then push it back to reseat its connectors (see
“Fan-and-Power-Supply Assemblies” on page 89).
c. If the CHK light is still on, exchange, in the sequence shown, the
following FRUs for new FRUs. Ensure that for each FRU
exchange, you go to “MAP 2410: 2104 – Repair Verification” on
page 65 to verify the repair.
1) Fan-and-power-supply assembly whose CHK light is on (see
“Fan-and-Power-Supply Assemblies” on page 89)
2) SCSI interface card (see “SCSI Interface Card Assembly” on
page 97)
3) Switch card assembly (see “Switch Card Assembly” on
page 102)
4) Frame assembly (see “Frame Assembly” on page 106)
Step 12. (from step 8)
Is the Subsystem Power light on?
NO Go to “MAP 2020: 2104 – Power” on page 49.
YES Go to step 13 on page 48.
Chapter 2. Problem Determination Procedures 47