E110  If not in the upper stop position, please turn the handwheel until the error display disappears

E111  It didn't stop after the tangentUpper stop position，Please turn the handwheel until the error display disappears

E120  No down pin signal detected, general main motor encoder problem

E121  Main motorFailed to turn into position after tangent

E130   The main Motor not running  Excluding the smooth rotation of the spindle, the circuit board of the power motor is generally damaged, or the main motor is damaged

E131 Main motor synchronizer is bad, the main motor is generally damaged

E150 Sewing machine motor abnormal heating or temperature sensor​

The above is the common code of the spindle part of the 311G 326G 342G computer prototype, excluding the spindle stuck, the wire cutting part is not adjusted in place, basically the main motor, power board damage