Brother International PR-620 Users Manual - English - Page 230

If the LCD cannot be read, If the machine does not, respond when a key is pressed

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If the LCD cannot be read If the LCD cannot be read after the machine is turned on, adjust the LCD as described below. While touching anywhere inside the touch 1 panel turn the machine off, then on again. If the machine does not respond when a key is pressed If nothing happens when a key on the screen is touched (no key can be selected or the keys are misaligned), adjust the touch panel as described below. Touch anywhere inside the touch panel, and 1 turn the machine off, then on again. • Continue touching the touch panel until the screen shown below appears. • The start/stop button does not light up. Touch and to adjust the brightness 2 of the screen so that the contents of the screens can be clearly viewed. • Continue touching the touch panel until the screen shown below appears. • The start/stop button does not light up. X The screen shown below appears. After making the necessary adjustment, turn 3 the machine off, then on again. Press the thread trimming button. 2 7 X The adjustments screen appears. Troubleshooting 213

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Troubleshooting
213
7
If the LCD cannot be read
If the LCD cannot be read after the machine is turned
on, adjust the LCD as described below.
1
While touching anywhere inside the touch
panel turn the machine off, then on again.
• Continue touching the touch panel until the
screen shown below appears.
• The start/stop button does not light up.
2
Touch
and
to adjust the brightness
of the screen so that the contents of the
screens can be clearly viewed.
3
After making the necessary adjustment, turn
the machine off, then on again.
If the machine does not
respond when a key is pressed
If nothing happens when a key on the screen is
touched (no key can be selected or the keys are
misaligned), adjust the touch panel as described
below.
1
Touch anywhere inside the touch panel, and
turn the machine off, then on again.
• Continue touching the touch panel until the
screen shown below appears.
• The start/stop button does not light up.
The screen shown below appears.
2
Press the thread trimming button.
The adjustments screen appears.