Lenovo ThinkCentre 7515 Hardware Maintenance Manual page 81

Diagnostic error code
175-198-XXX
Thermal Sensor(s) test aborted
175-199-XXX
Thermal Sensor(s) test failed, cause
unknown
175-250-XXX
175-251-XXX
Thermal Sensor(s) limit error
185-000-XXX
Asset Security Test Passed
185-XXX-XXX
Asset Security failure
185-278-XXX
Asset Security Chassis Intrusion
201-000-XXX
System Memory Test Passed
201-XXX-XXX
System Memory error
202-000-XXX
System Cache Test Passed
202-XXX-XXX
System Cache error
206-000-XXX
Diskette Drive Test Passed
206-XXX-XXX
Diskette Drive error
215-000-XXX
CD-ROM Drive Test Passed
FRU/Action
1. If a component is called out, make sure
it is connected and/or enabled
2. Flash the system and re-test. See
"Updating (flashing) BIOS from a disc"
on page 278
3. Go to "Undetermined problems" on page
81
1. See "Undetermined problems" on page
81
2. Flash the system and re-test. See
"Updating (flashing) BIOS from a disc"
on page 278
3. Replace component under function test
1. Check fans
2. Check Power supply voltages
3. Microprocessor
4. System board
No action
1. Flash system
2. System board
1. Assure Asset Security Enabled
2. C2 Cover Switch
3. System board
No action
1. Replace the memory module called out
by the test
2. System board
No action
1. Cache, if removable
2. System board
3. Microprocessor
No action
1. Diskette Drive Cable
2. Check power supply voltages
3. Diskette drive
4. System board
No action
Chapter 7. Symptom-to-FRU index
75