Brother BAS-311E Service Manual page 102

Chapter 6 Power supply and electrical parts adjustment
Error codes [E.9 *] - [E.F *]
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 volt-
ages are present can result in severe injury.
Code
Abnormal drop in power supply voltage, or power
E.90 was turned on again immediately after it was
turned off.
E.91 Abnormal rise in power supply voltage.
Starting switch was pressed without any valid
E.A0
sewing data loaded.
Home position point was not detected within a
E.A1
certain time during home position detection.
E.c0 Motor PROM is not correctly inserted.
The box cooling fan (at the left when looking from
E.c1
the front) is not operating.
Heat shink of control circuit board is abnormally
E.c2
hot.
E.c3 Abnormal current detected in X pulse motor.
E.c4 dAbnormal current detected in X pulse motor.
The box cooling fan (at the right when looking
E.c5
from the front) is not operating.
E.d0 Air pressure drop error.
E.E0 Main PROM is not correctly inserted.
Communication error detected by control circuit
E.E1
board.
Communication error detected by panel circuit
E.E2
board.
E.E3 Bad connection in cable between panel and box.
Power relay is not operating (malfunction of
E.F0
power supply circuit board).
Bad connection in cable between power supply
E.F1
circuit board and main circuit board.
Abnormal current detected in power supply circuit
E.F2
board.
REFERENCE segment LED alphabet
Panel display
Text display
94
DANGER
Cause
A b c
BAS-311E.311EL.326E.326EL
Remedy
Turn off the power and check the input voltage. After
turning off the power, wait 3 seconds or more before
turning it on again.
Turn off the power and check the input voltage.
Re-read the sewing data.
Turn off the power and check the X-Y feed and the
home position sensor connection.
Turn off the power and check.
Turn off the power and check whether any thread
scraps have built up.
Turn off the power and clean the air intake port of the
box.
Turn off the power and contact a qualified service
technician.
Turn off the power and contact a qualified service
technician.
Turn off the power and check whether any thread
scraps have built up.
Turn off the power and check.
Turn off the power and check.
Turn off the power, wait a while and then turn it back
on.
Turn off the power, wait a while and then turn it back
on.
Turn off the power and check.
Turn off the power and contact a qualified service
technician.
Turn off the power and check.
Turn off the power and contact a qualified service
technician.
d E F 6 H L O