Brother Z-8550A Instruction Manual page 89

15. TROUBLESHOOTING
Error code
• Is the 7-pin head detector unit connector
Err 452
(Machine head
memory error)
• Does the power supply voltage match the
Err 700
(Overvoltage)
Err 705 • Abnormal drop in power supply voltage.
(Under voltage)
• Is the 9-pin or 11-pin connector inside the
Err 710
(Overcurrent)
• The cooling fan (1) inside the control box is
Err 740
(Cooling fan
problem)
• Is the 3-pin connector inside the control box
If an error code that is not listed above appears, contact the place of purchase.
81
inside the control box disconnected?
Insert the connector securely.
control box voltage specifications?
Check the voltage.
Check the input voltage.
control box disconnected?
Insert the connector securely.
not working.
Check if it is blocked with thread scraps.
disconnected?
Insert the connector securely.
Possible cause
Voltage rating label
Z-8550A, 8560A
Page
11*
3566M
3567M
*
*
3568M
3569M
*
*
3570M