IBM totalstorage 200, Service Manual

Page: 56 / 180

Table 14. Temperature related shutdown messages and suggested actions (continued)
Message Meaning Suggested Action
System shutoff due to
system board under
temperature Level-critical; system board is
under temperature Ambient temperature must be within normal operating
specifications; see “Appendix C. Specifications” on
page 117.
DASD checkout
Table 15 describes a DASD checkout message and its suggested action.
Table 15. DASD checkout message and action
Message Meaning Suggested Action
Hard drive X removal
detected
Level-critical; hard drive X
has been removed
Information only, take action as appropriate
Host Built-In Self-Test (BIST)
Table 16 describes a BIST message and its suggested action.
Table 16. Host built-in self-test message and suggested actions
Message Meaning Suggested Action
Host BIST fail Level-informational; host’s
built-in self-test failed
1. Reseat CPU
2. Reseat VRM
3. Replace CPU
Bus fault messages
Table 17 describes bus fault messages and their suggested actions.
Table 17. Bus fault messages and suggested actions
Message Suggested Action
Failure reading 12C device 1. Check devices on bus 0
2. Replace system board
Failure reading 12C device 1. Check devices on bus 1
2. Reseat Power Supply
3. Replace Power Supply
4. Replace Power Supply backplane
5. Replace system board
Failure reading 12C device 1. Check devices on bus 2
2. Replace DASD backplane
3. Replace system board
Failure reading 12C device 1. Check devices on bus 3
2. Replace system board
Failure reading 12C device 1. Check devices on bus 4
2. Replace DIMM
3. Replace system board
40
Models 200 and 225 Service Guide