Jack ZB-A4F, User Manual

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Err-23
Backstitch step motor
current detection
circuit failure
Turn off the system power, and then turn on the power again after 30 seconds. If the
controller still does not work properly, please contact your local service provider or
call 4008876858.
Err-24
Backstitch step motor
stalled
1. Turn off the system power, and then turn on the power again after 30 seconds
2. Check whether the backstitch step motor, swing seat, and teeth are stuck. After
returning to the normal state, restart the system.
3. Check whether the backstitch step encoder and electronic control are damaged or
in other poor conditions. If so, replace them in time.
4. If the system still cannot work properly after troubleshooting and restart. Please
contact your local service provider or call 4008876858
Err-28
Backstitch step motor
zero position fault
1. Check whether the backstitch step motor, swing seat, and teeth are stuck. After
the normal state is restored, restart the system.
2. Check whether the backstitch step encoder is damaged or in other poor
conditions. If so, replace it in time.
3. If the system still does not work properly after troubleshooting and restart. Please
contact your local service provider or call 4008876858
Err-29
Reverse stitch stepping
motor encoder AB
signal abnormal
1. Check whether the backstitch step motor, swing seat, and teeth are stuck. After
the normal state is restored, restart the system.
2. Check whether the backstitch step encoder is damaged or in other poor
conditions. If so, replace it in time.
3. If the system still does not work properly after troubleshooting and restart. Please
contact your local service provider or call 4008876858
Err-30
Password lock
shutdown alarm
The machine has reached the set time. If further use is required, please contact your
local service provider or call 4008876858.
4.2 Safety alarm meter
Alarm code Description Solutions
A-UP
Alarm of safety switch
Return machine head to normal position, to make sure safety
switch rebound
ALR-1 Alarm of machine head button
with short circuit Turn off system power and change the light button of
machine head
ALR-2 Alarm when needle counting is
fulled
Press P key with short time, alarm will stop
ALR-3 Alarm when needle counting is
fulled Press P key with short time, alarm will stop