4.Troubleshooting
►ErrorCode
A2–1510/A2–1511/A2–1521/A2–1523
A2–2810/A2–2811/A2–2821/A2–2823
A2–2910/A2–2911/A2–2920/A2–2921
►Errormessage
FanFailure:#A2-xxxx.Turnoffthenon.Callforserviceiftheproblempersists
FanFailure:#A2-xxxx.Openthedoor,thencloseit.Callforserviceiftheproblempersists
►Symptom
Fandoesnotoperateorfansignalisabnormal.
►Troubleshootingmethod
NOTE
•Duplexfanerror:A2–1510/A2–1511/A2–1521/A2–1523
•Devefanerror:A2–2810/A2–2811/A2–2821/A2–2823
•OPCblow-infanerror:A2–2910/A2–2911/A2–2920/A2–2921
1)Turnthemachineoffthenon.Iftheproblempersists,checkthefollowings.
2)Checktheconnectionofthecorrespondingfanandmainboard.
3)IftheconnectionisOK,enterSVCmode.Executethefantest.
(Diagnostics>EngineDiagnostics>EngineTestRoutines)
a)Ifthefanisnotoperational,
i)Checkthepower(24V).
•Ifthepowerisabnormal,checktheSMPSboard.IftheSMPSboardisdefective,replaceit.
•IftheSMPSboardisnormal,replacethecorrespondingfan.
•Iftheerrorpersistsafterreplacingthefan,replacethemainboard.
b)Ifthefanisoperational,
i)Checkthefansignal(3.3V)asconnectedordisconnected.
•Ifthefansignalasdisconnectedisabnormal,replacethemainboard.
•Ifthefansignalasconnectedisabnormal,replacethecorrespondingfan.
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