Lenovo ThinkCentre Edge 91 - Erasing lost or forgotten passwords (clearing CMOS); Enabling or disabling a device

DiagnosticErrorCodeFRU/Action
170-199-XXXVoltageSensor(s)testfailed,cause
unknown
1.See“Undeterminedproblems”onpage71
2.Flashthesystemandre-test.See“Updating
(ashing)theBIOSfromadisc”onpage249
3.Replacecomponentunderfunctiontest
170-250-XXX170-251-XXXVoltageSensor(s)Voltage
limiterror
1.Powersupply
2.Systemboard
170-254-XXXVoltageSensor(s)VoltageRegulator
Moduleerror
1.VoltageRegulatorModule(VRM)
2.Microprocessor
3.Systemboard
175-000-XXXThermalSensor(s)TestPassed
Noaction
175-0XX-XXXThermalSensor(s)failure
1.Flashsystem
2.Systemboard
175-195-XXXThermalSensor(s)Testabortedbyuser
InformationonlyRe-startthetest,ifnecessary
175-196-XXXThermalSensor(s)testhalt,errorthreshold
exceeded
1.PressF3toreviewthelogle
2.Re-startthetesttoresetthelogle
175-197-XXXThermalSensor(s)testwarning
1.Makesurethecomponentthatiscalledoutis
connectedand/orenabled.SeeChapter6“Usingthe
SetupUtilityprogram”onpage43
2.Re-runtest
3.Replacethecomponentthatiscalledoutinwarning
statement
4.Replacethecomponentundertest
175-198-XXXThermalSensor(s)testaborted
1.Ifacomponentiscalledout,makesureitis
connectedand/orenabled
2.Flashthesystemandre-test.See“Updating
(ashing)theBIOSfromadisc”onpage249
3.Goto“Undeterminedproblems”onpage71
175-199-XXXThermalSensor(s)testfailed,cause
unknown
1.See“Undeterminedproblems”onpage71
2.Flashthesystemandre-test.See“Updating
(ashing)theBIOSfromadisc”onpage249
3.Replacecomponentunderfunctiontest
175-250-XXX175-251-XXXThermalSensor(s)limiterror1.Checkfans
2.CheckPowersupplyvoltages
3.Microprocessor
4.Systemboard
185-000-XXXAssetSecurityTestPassed
Noaction
185-XXX-XXXAssetSecurityfailure
1.Flashsystem
2.Systemboard
185-278-XXXAssetSecurityChassisIntrusion1.AssureAssetSecurityEnabled
2.C2CoverSwitch
3.Systemboard
201-000-XXXSystemMemoryTestPassed
Noaction
Chapter7.Symptom-to-FRUindex65