List Of Error Codes - Brother E Serie Manual De Instrucciones

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16. TROUBLESHOOTING
16. FEHLERSUCHE
16. RESOLUTION DES PROBLEMES
16. LOCALIZACION DE AVERIAS

16-3. List of error codes

• Wait at least 5 minutes after turning off the power switch and disconnecting the power cord from the wall
outlet before opening the face plate of the control box. Touching areas where high voltages are present can
result in severe injury.
• Turn off the power switch and disconnect the power cord before carrying out troubleshooting, otherwise
the machine will operate if the treadle is pressed by mistake, which could result in injury.
If an error code appears in the LED display on the operation panel, check the error code and then turn off the power.
(However, the error display will not disappear immediately when the power is turned off.)
After the panel display turns off, remove the cause of the error and then turn the power back on. (Except for error EE6)
Display
Needle zigzag position cannot be
Ec1
found.
Zigzag motor overcurrent
Ec2
Ec3
Overheating of control circuit
board heat sink
Ec4
Exhaust fan problem
Ec5
Inside air recirculation fan prob-
lem
Ec7
Needle zigzag data problem
Ec8
Communication problem
between CPUs
EE1
Machine motor IC problem
Power supply voltage abnormal-
EE2
ity (high)
EE3
Power supply voltage abnormal-
ity (low)
EE4
Machine motor locked
EE5
Blown solenoid fuse
Starting input when power
EE6
turned on (see note)
Note:
EE6: In this case, when the cause of the problem is eliminated (for example, the treadle is returned to
neutral), SEt will appear on the LED display. When this happens, normal operation after turning on
the power will return when the SET key is pressed.
183
Details
Malfunction of home position sensor or harness
Malfunction of zigzag motor or harness
Malfunction of control circuit board
Zigzag mechanism operation is heavy
Malfunction of zigzag motor or harness
Malfunction of control circuit board
Malfunction of cooling fan
Blocked air inlet in control box
Malfunction of control circuit board temperature sensor
Malfunction of right-side fan (when looking from the rear) or har-
ness
Malfunction of left-side fan (when looking from the rear)
or harness
Malfunction of P-ROM or poor connection
Problem with custom data
Malfunction of control circuit board
Noise affecting transmission
Malfunction of control circuit board
Blocked air inlet in control box
Malfunction of machine motor or harness
Malfunction of power supply circuit board
Power supply voltage is too high
Power supply voltage is too low
Timing belt is not fitted
Loose pulley
Load too great during sewing
Malfunction of synchronizer or harness
Malfunction of solenoid or harness
Malfunction of control circuit board
Incorrect fuse rating
Power turned on when treadle was depressed forward
Power turned on when treadle was depressed backward
Power turned on while actuator was being pressed
Malfunction of treadle unit or harness
LZ2-B855E,B856E
DANGER
CAUTION
Cause
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