MAP 1523: The SPCN Error Codes Table Directed You Here and the
Error Code is 1011 1B0x
A base system power supply is reporting a load fault.
Note: Read the danger and caution notices under “Safety Notices” on page xi before continuing with this
procedure.
Perform the following steps to isolate the problem.
Step 1523-1
1. Turn off the power.
2. Disconnect the ac power cables (dc power cables in a dc-powered system) from the base system
drawer.
3. At the top of the base system drawer, remove the following cards, in the sequence listed:
a. Processor card(s)
b. RIO adapter card(s)
c. PCI adapter card(s)
d. DASD device
e. Media bay device(s)
4. Reconnect the ac power cables (dc power cables in a dc-powered system) to the base system drawer.
5. Turn on the power.
Is the error code 1011 1B0x displayed?
NO Go to “Step 1523-7” on page 123.
YES Go to “Step 1523-2”.
Step 1523-2
1. Turn off the power.
2. Disconnect the ac power cables (dc power cables in a dc-powered system) from the base system
drawer.
3. Remove base system power supply 2.
4. Reconnect the ac power cable (dc power cable in a dc-powered system) to the base system power
supply 1.
5. Turn on the power.
Is the error code 1011 1B0x displayed?
NO Go to “Step 1523-3” on page 122.
YES Go to “Step 1523-4” on page 122
Chapter 3. Maintenance Analysis Procedures (MAPs) 121
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