Brother International T-8752C Instruction Manual - English - Page 89

Error code displays, Error code

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14. TROUBLESHOOTING 14-2. Error code displays If an error code appears on the operation panel display 1. Make a note of the error code and then turn off the power. 2. After the operation panel display has turned off, eliminate the cause of the error and then turn the power back on. ・ Items with a " * " in the "Page" column should only be checked by a qualified technician. ・ For items with " ** " appearing in the "Page" column, ask the place of purchase for advice. 2198B < Connector and DIP switch layout diagram > Main PCB Error code E050 E051 E055 E065 E066 Possible cause ・ The machine head was detected as being tilted back when the treadle was depressed. Press the power OFF switch and then return the machine head to the upright position. (If tilting back the machine head to carry out any tasks, press the power OFF switch first.) ・ The machine head was detected as being tilted back during sewing. Turn the power off and then back on again. ・ Was the power ON switch pressed while the machine head was still tilted back? Press the power OFF switch and then return the machine head to the upright position. ・ Is the 14-pin machine connector inside the control box disconnected? Press the power OFF switch, and then check that the 14-pin machine connector is connected to connector P13 on the main PCB. ・ Was the power ON switch pressed while an invalid key was being pressed on the operation panel? Press the power OFF switch and check that no operation panel keys are being pressed. ・ There is a malfunction of the operation panel. Replace the operation panel. ・ Was the actuator switch being pressed when the power ON switch was pressed? Press the power OFF switch and check that the actuator switch is not being pressed ・ There is a problem with the actuator switch. Replace the actuator switch. 4266M Page 12* ** * T-8421C, 8422C, 8452C, 8722C, 8752C 80

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T-8421C, 8422C, 8452C, 8722C, 8752C
14. TROUBLESHOOTING
80
14-2. Error code displays
If an error code appears on the operation panel display
1. Make a note of the error code and then turn off the power.
2. After the operation panel display has turned off, eliminate the cause of the error and
then turn the power back on.
・
Items with a “ * ” in the “Page” column should only be checked by a qualified technician.
・
For items with “ ** ” appearing in the “Page” column, ask the place of purchase for
advice.
< Connector and DIP switch layout diagram >
Main PCB
Error code
Possible cause
Page
E050
・
The machine head was detected as being tilted back when the treadle was
depressed.
Press the power OFF switch and then return the machine head to the upright
position.
(If tilting back the machine head to carry out any tasks, press the power OFF
switch first.)
E051
・
The machine head was detected as being tilted back during sewing.
Turn the power off and then back on again.
E055
・
Was the power ON switch pressed while the machine head was still tilted back?
Press the power OFF switch and then return the machine head to the upright
position.
・
Is the 14-pin machine connector inside the control box disconnected?
Press the power OFF switch, and then check that the 14-pin machine connector
is connected to connector P13 on the main PCB.
12*
E065
・
Was the power ON switch pressed while an invalid key was being pressed on the
operation panel?
Press the power OFF switch and check that no operation panel keys are being
pressed.
・
There is a malfunction of the operation panel.
Replace the operation panel.
**
E066
・
Was the actuator switch being pressed when the power ON switch was pressed?
Press the power OFF switch and check that the actuator switch is not being
pressed
・
There is a problem with the actuator switch.
Replace the actuator switch.
*
2198B
4266M