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Hi
about error 3 please make sure first dc voltage comining fro power board to servo board check J8,J28, second encoder signal from the motor is not supplied check J2,J29, third check connection between main board and servo board J11,J1
best regards
ashraf
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Have you researched what the codes signify? That will give you a good clue of what's going wrong and how to address each. In your case, since you are having multiple issues, service may be a good option.
I tried to find a manual for this model # and it didn't seem to be the correct one - but you can go to the Singer web site or the free manuals website to get one once you confirm your model #
hi there
1- your control box model is 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 dray spray maby there's some oil or dust arround it. if error still coming change the senchronyzer with new one
best regards
ashraf abozid [email protected]
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