Electrolux T5675 - Page 160

160
Troubleshooting
40:21I/OCOMMUNICATION
OnlyonBarrierwasher.
TheerrorcodeisactivatedifthecontrolsystemnolongercancommunicatewithBarrierI/Ounitor
ifthecommunicationisintermittent.I/Ounitdesignationthatisshownintheerrordescriptionis
accordingtoelectricschematicsandelectricalcomponentlist.
BarrierI/OboardisconnectedtoM-COMportonCPUinparalellwiththeMCUfordrum.Electrical
interfaceisRS-485.Theerrorcodeisshownifthecontrolsystemhaslostoronlyhaveintermittent
communicationwiththeI/Ounit.
Possiblecauses:
•BadcontactinharnessorconnectorsbetweenCPU/MCUandI/Ounit.
•TheI/OboardisincorrectlyconguredonDIPswitches(SW210andSW202)
Recommendedactions:
1.Checkwiring,connectionscongurationofI/Ounitaccordingtoservicemanual.
40:22I/OBOARDMISHMASH
TheerrorcodeisshownifwrongTypeofI/Ounitistted.
CouldalsooccurifadressessingoftheI/Ounitsismadeinaincorrectway.
AfteraddressingofI/OunitstheCPUreadstheTypeofeachunit.
IfthereisamismatchbetweenwhattheTypeofI/OunittheCPUnds,andwhattheI/Ounittype
thesoftwarecongurationexpects,theerrorwillbeshown.
Machinewillnotrununtilproblemissolved.Therearetwoexceptions:I/Otype1canbeused
whenI/Otype11isexpected,butnotoposite.I/Otype8canbeusedwhenI/Otype81isexpected,
butnotoposite.
Possiblecauses:
•WhenadressingtheI/OunitstheoperatorhaspressedathebuttononthewrongI/Ounit.
•WrongtypeofI/Ounitifttedinthemachine.
•TwoI/Ounitshavegotthesameadress.
Recommendedactions:
1.ReaddressallI/Ounits.
UseI/OCONFIGURATIONfunctioninservicemode.
AlternativelyuseCommonServiceT ool,I/Oaddressingfunction.
2.UsetheelectricschematictondcorrectI/Oboardtoaddress.
3.UseCommonServiceTool,I/Oaddressingfunctiontogetbestoverview/visualizationofthe
problem.