Brother BAS-300G-484/484SF Instruction Manual page 81

P.C. board-related errors
Code
Abnormal rise in power supply voltage.
E700
Turn off the power and check the input voltage.
Abnormal rise in sewing machine motor drive voltage.
E701
Turn off the power, and then check the voltage.
Abnormal drop in power supply voltage.
E705
Turn off the power and check the input voltage.
Abnormal current detected in sewing machine motor.
E710
Turn off the power, and then check if there are any problems with the sewing machine.
Abnormal current detected in X-feed motor.
E711
Turn off the power, and then check if there are any problems in the X-feed direction.
Abnormal current detected in Y-feed motor.
E712
Turn off the power, and then check if there are any problems in the Y-feed direction.
Abnormal current detected in work clamp motor.
E713
Turn off the power, and then check if there are any problems with the X-feed mechanism, Y-feed mechanism or
work clamp lifter.
External error input (AIRSW) detected.
E730
Turn off the power, and then check the air pressure.
Cooling fan does not operate.
E740 Turn off the power, and then check if the cooling fan is blocked with scraps of thread.
Check that connector P22 on the main P.C. board is properly connected.
If an error code that is not listed above appears or if carrying out the specified remedy does not solve the problem,
contact the place of purchase.
Cause and remedy
BAS-300G-484, BAS-300G-484 SF
11. TABLE OF ERROR CODES
72