Brother S-7220D Instruction Manual page 81

Main P.C. board
Switch-related errors
Code
E050 Machine head is detected as being tilted back
when sewing starts.
E051 Machine head is detected as being tilted back
during sewing.
E055 Machine head is detected as being tilted back
when power was turned on.
E064 A touch key was being pressed when the power
was turned on.
E065 A disabled hardware key was being pressed
when the power was turned on.
E066 A touch key was being pressed when the power
was turned on.
Cause Remedy
• Turn off the power, and then return the
machine head to its original position.
• Turn off the power and check the connection of
connector CN8.
Turn off the power and check the connection of
connector CN8.
• Turn off the power, and then return the
machine head to its original position.
• Turn off the power and check the connection of
connector CN8.
Turn the power off and then back on again.
Do not press the touch keys when turning on the
power.
Turn the power off and then back on again.
Do not press a disabled hardware key while
turning on the power.
Turn the power off and then back on again.
Do not press the hand switch when turning on the
power.
71