Brother HE-800A Service Manual page 159

Code
E-92
Machine motor operation error
E-93
Blown solenoid fuse
E-94
Machine motor IC error
E-95
Power supply voltage error (high)
E-96
Power supply voltage error (low)
Machine motor locked
⋅ Excessive load during sewing.
E-97
⋅ Motor temperature protection function
has operated. (If the motor's serial
number is "G03xxxxxx" or later)
Sewing data
needle plate size or work clamp size
ArEA
which have been set using the panel
DIP switches.
Cause
values exceed the
6. ELECTRIC COMPONENTS AND SOFTWARE
1. Turn off the power.
2. Turn the pulley by hand and check if the upper shaft
locks or not.
3. Check that connectors P3 and P6 on the main P.C.
board are properly connected.
4. Check that machine motor harness connector CN7 and
power supply harness connector CN8 on the 1-step
power supply circuit board are properly connected.
1. Turn off the power.
2. Check fuse F1 on the main P.C. board. If it is blown
replace it.
1. Turn off the power.
2. Turn the pulley by hand and check if the upper shaft
locks or not.
3. Check that connectors P3 and P6 on the main P.C.
board are properly connected.
4. Check that machine motor harness connector CN7 and
power supply harness connector CN8 on the 1-step
power supply circuit board are properly connected.
1. Turn off the power.
2. Check the power supply voltage in the workplace and
the power supply voltage specifications for the control
box.
3. Check the connection positions of connectors CN2, CN3
and CN4 on the 1-step power supply circuit board.
⋅ 200V specification ...CN2
⋅ 100V, 110V, 220V, 380V, 400V specifications ... CN3
⋅ 230V specification ... CN4
Turn off the power.
1.
Check the power supply voltage in the workplace and
2.
the power supply voltage specifications for the control
box.
Check the connection positions of connectors CN2, CN3
3.
and CN4 on the 1-step power supply circuit board.
⋅ 200V specification ...CN2
⋅ 100V, 110V, 220V, 380V, 400V specifications ... CN3
⋅ 230V specification ... CN4
1. Turn off the power.
2. Check if the timing belt is attached.
3. Turn the pulley by hand and check that the upper shaft
does not lock and the pulley is not loose.
4. Check that connectors P3 and P6 on the main P.C.
board are properly connected.
Three resetting methods are available depending on the
application.
A. By selecting a different program number (If you would like
to keep the program which exceeds the area.)
1. Press the SELECT key.
2. Select a different program number and press the
ENTER key.
If the data for the selected program number does not
exceed the sewing area, the error will be cleared.
B. By initializing the program
While pressing the ENTER key, press the RESET key.
All parameters (00 to 69) for the program will then be
initialized and the machine will switch to program mode.
C. By initializing all programs
Refer to "12-1. Initializing all programs" in the instruction
manual.
HE-800A
Remedy
151