Troubleshooting
159
INTERNALCOM.
40:1–40:10I/OINTERLOCKAxxx
ThiserrorcodewillbeshownifthecontrolsystemdetectsthattheinputIOINTERLOCKisnot
active.I/Ounitdesignation,Axxx,thatisshownintheerrordescriptionisaccordingtoelectric
schematicsandelectricalcomponentlist.
Recommendedactions:
1.Checkthatdoorisactuallylocked.
2.CheckDLCUstatusinservicemodeformoreinformationonpossiblecauses.
3.CheckP-busconnectorsonI/Oboardforpresentinterlocksignal.
4.CheckthatD-busconnectoristtedcorrectlywithregardstotheribontheconnectorand
theslotintheplasticcoveroftheI/Oboard.
40:11–40:20I/OCOMMUNICATIONAxxx
TheerrorcodeisshownifthecontrolsystemcannotcommunicatewithoneorseveralI/Ounits
onD-bus.I/Ounitdesignation,Axxx,thatisshownintheerrordescriptionisaccordingtoelectric
schematicsandelectricalcomponentlist.ErrorsarerelatedtotheD-Buscommunicationport
betweenCPUandthedifferentI/Ounitsinthemachine.Theerrorcodeisshownifthecontrol
systemhaslostcommunicationwithoneormoreI/Ounitsforacertaintime.
IfthereiscommunicationbetweentheI/OunitandcontrolsystemtheLEDnexttotheservice
buttonwillash.
IfthereisnocommunicationtotheI/Ounitbutpower,theLEDwilllightwhenthebuttonispressed
ontheI/Oboard(allI/OboardsexceptforI/Ounittype6).
Possiblecauses:
•MistakewhenconguratingI/Ounitadressatsetup.ButtononwrongI/Ounitpressedduring
cong.
•TwoormoreI/OunitshavethesameI/Oadressing.
•BadorintermittentcontactinD-BuswiringbetweenI/OunitsandCPUorbetweenI/Ounits.
•SqueezedorshortedD-buscables(shortedtoground).
•AnoldversionofanI/OunitisttedinthemachinethatdonotsupportCompassPro.Check
partnumbercomparedtooriginalI/Oboardorsparepartslist.
Recommendedactions:
1.CheckthatallI/OunitsareconguredinI/OCONFIGURATIONmenuwhenthemachine
isinservicemode.AlternativelyuseCommonServiceT ooltogetaoverviewoftheI/Ounit
conguration.UsetheelectricschematictondcorrectI/Oboardtoaddress.
2.IfallI/Ounitsarepresentinthelist,checktheLEDasabove,harness,connectorsandfunctions
byreadingtheelectricalschematic.
3.CheckthattheI/OunitsttedinthemachinesupportsCompassPro.Checkpartnumber
comparedtooriginalI/Oboardorsparepartslist.
4.Updatethemachinesoftwaretolatestavailableversion.