Jack C4 Training Courseware

E18 Motor overload
Pls check whether the material is too heavy or not；Pls check
whether the machine head stuck or not, or rotate very tough
；
pls
check whether the motor plug and sensor connection loose or not；
if cannot solve the problem, pls contact the local agent.
E19
Current detection
circuit problem
If cannot solve the problem, pls
restart the machine or contact
the local agent 。
E20 Power off
E24
The voice chip work
problem
Please try to restore the factory settings or restart the power
supply
E26
The communication
between the transfer
board and the controller
problem
Please check whether the adapter board and the control box cable
are loose；
Please try to restore the factory settings or restart the power
supply；
Operation instructions-Error number form

Jack C4 Specifications

General

Product Introducti	ion-technical specifications
Type/Name	C4 The Fastest Automatic Overlock Machine
Highest Speed	7000rpm/min
Differential	0.7-2.0
Thread Wideth（mm）	1.5-8.0
Presser Foot Height（mm）	5.0-7.0
Needle Type	DCX27
Needle Bar Height	（general）10.4mm/12mm（heavy）
Needle Bar Stroke	（general）24.5mm/26mm（heavy）

Weight and Dimensions

Max Length(mm)	0.8-4.8