Service manual

4.Troubleshooting

CPUFanControl

-Onecanturnthefanon&offandcheckthefan'soperationalconditionswithoutsystemdisassembly

Pic(1)FanoffstatusPic(2)Fanonstatus

-SAFC'sdefaultsettingis"Fanoff"or"MinimumFanSpeed".

-Press"ON"in"ON/OFFControl"Fanisturnedonto

maximumfanspeed.

-Press"OFF"in"ON/OFFControl"Fanreturnstodefault

setting.

>FanV oltageMeasurement

-ReadFanRPMindicatedinSAFC.

>FanV oltagePass/Faildetermination

-IfFanRPMsatises"rpmspec+/-10%",thenFantestis

"PASS".