Jack F5 Manual Book

7 / 8
function or safety switch alarm function and release the alarm; If the alarm is not
released, the alarm number will be displayed until the fault is eliminated. See the error
code description table for the detailed error code sheet.
10. Digital tube display description
Numbers：
Actual
Value
0 1 2 3 4 5 6 7 8 9
Digital tube
content
Letters：
Actual
Letter
A B C D E F G H I J
Digital tube
content
Actual
Letter
K L M N O P Q R S T
Actual
Letter
Actual
Letter
U V W X Y Z
Digital tube
content
11. Error code sheet
Error
code
Content Advice
OF
The machine has not
been running for about
30 minutes and enters
the sleep state
The supply voltage is
too low
Press or key to wake up the machine;
If the alarm cannot be eliminated, please check whether the
power supply voltage is normal;
E1 Motor stuck
Please rotate the hand wheel to check whether the machine
head is stuck or dry, and it is difficult to rotate;
Check whether the motor plug-in is loose or falls off;
Check whether the materials are too thick and the motor
cannot penetrate due to insufficient torque.
E2 Controller exception
Please turn off and power on again. If the alarm cannot be
eliminated, please check:
If the motor load is too large, please reduce the load and restart
the motor;
Whether the sewing material is too thick;
Whether the machine lacks lubrication;

Jack F5 Specifications

General

Brand	Jack
Model	F5
Category	Sewing Machine
Language	English