Brother International S-7200C Instruction Manual - English - Page 78

Brother International S-7200C Manual

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14. TROUBLESHOOTING Error code E452 Head detector unit connection error Possible cause ・ Is the 6-pin head detector unit connector inside the control box disconnected? Press the power OFF switch, and then check that the 6-pin head detector unit connector is connected to connector P8 on the main P.C. board. E701 Abnormally high power supply voltage ・ Does the power supply voltage match the control box voltage specifications? Check that the voltage matches. ・ Is the power supply voltage abnormally high? Check the power supply voltage. ・ Problem with control box. Replace the control box. E705 Abnormally low power supply voltage ・ Is the power supply voltage abnormally low? Check the power supply voltage. ・ Problem with control box. Replace the control box. E710 Motor overcurrent ・ Is the electrical equipment connector inside the control box disconnected? Press the power OFF switch, and then check that the drive P.C. board connectors are connected to connectors P3 and P4 on the main P.C. board. ・ Problem with control box. Replace the control box. Page 10* * * ** * ** * ** E791 ・ This is displayed when there is overcurrent in any of the solenoids (thread trimming, thread wiping, quick reverse or presser lifter). Solenoid Check the resistances of the solenoids. * overcurrent ・ Problem with main P.C. board. Replace the control box. ** E901 ・ DIP switch No. 4 inside the control box is set to ON. Press the power OFF switch and set DIP switch No. 4 to OFF. * 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. 71 S-7200C

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S-7200C
14. TROUBLESHOOTING
71
Error code
Possible cause
Page
E452
Head detector unit
connection error
・
Is the 6-pin head detector unit connector inside the control box disconnected?
Press the power OFF switch, and then check that the 6-pin head detector unit
connector is connected to connector P8 on the main P.C. board.
10*
E701
Abnormally high
power supply
voltage
・
Does the power supply voltage match the control box voltage specifications?
Check that the voltage matches.
・
Is the power supply voltage abnormally high?
Check the power supply voltage.
・
Problem with control box.
Replace the control box.
*
*
**
E705
Abnormally low
power supply
voltage
・
Is the power supply voltage abnormally low?
Check the power supply voltage.
・
Problem with control box.
Replace the control box.
*
**
E710
Motor
overcurrent
・
Is the electrical equipment connector inside the control box disconnected?
Press the power OFF switch, and then check that the drive P.C. board
connectors are connected to connectors P3 and P4 on the main P.C. board.
・
Problem with control box.
Replace the control box.
*
**
E791
Solenoid
overcurrent
・
This is displayed when there is overcurrent in any of the solenoids (thread trimming,
thread wiping, quick reverse or presser lifter).
Check the resistances of the solenoids.
・
Problem with main P.C. board.
Replace the control box.
*
**
E901
・
DIP switch No. 4 inside the control box is set to ON.
Press the power OFF switch and set DIP switch No. 4 to OFF.
*
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.