Operating instructions
Service Action Codes 6-37
September 2007
D2 xx yy A failure was detected in one of the UDS Power Supplies.
Action 1
Use the modifier xx yy to locate the failing Power Supply:
• xx = rack number (1 to 16)
• yy = UDS Power Supply location (1 to 4)
Refer to Service Action Codes on page 6-11 for more information on SAC
modifiers.
Action 2
Use the operator panel to retrieve additional information to determine the
failing UDS Power Supply (Main Menu Service Diags P/S
Submenu UDS Power). The screen shows:
P/S: B1 B2 B3 B4
DC :YY--
Dual:YN--
Rack: 04
Select the rack containing the UDS Power Supply in question:
• B1 through B4 indicates the Drive bays 1 through 4.
• DC indicates the output of each UDS bay: Y=Good, N=Fail.
• Dual indicates the status of the UDS P/S: Y=Both P/S’s are working, N=One
of the UDS P/S supply failed.
•A dash (-) indicates the UDS bay is not installed.
Locate the rack and the drive bay containing the failing UDS power supply,
then contact GCH. For GCH contact information, refer to Getting More
Information or Help on page 1-8.
F0 00 00 Failures were detected while running the diagnostic loop test from the LSC
card to the LMC card.
Action 1
Contact GCH. For GCH contact information, refer to Getting More Information
or Help on page 1-8.
F1 00 00 Failures were detected while running the diagnostic loop test from the LSC
card to the LPN card.
Action 1
Contact GCH. For GCH contact information, refer to Getting More Information
or Help on page 1-8.
Table 6-2 Service Action Codes (Continued)
Reported
SAC
Perform these actions