Juki DDL-8700 "errore sc 500" Questions

...SC-500 / SC-510 ) cause : ====== • When position detection signal is not input from the sewing machine head synchronizer. • When the synchronizer has broken. points check: ========== • Check the ...

SC-500 not SV500, juki didn't made sv never ever 2- there is no error 2 just error 3 and error 4 both means there's problem with synchronizer which installed behaind handwheel first try to clean it by

SC 500 PROBLEM :ERROR - 7 hi there, E7 means many reasons: 1- cam timing for thread trimmer is wrong ( mechanic adjustment ). 2- there's thread inside hook. remove it 3- try to check belt tension ( if