Toshiba S2E21 - Manual (Page 49)

TOSHIBA
6.2 Troubleshooting
Phenomenon Check point Possible cause What to do
appears Power LED is off. Control power is If the control power
the LCD off or incorrect. connection is wrong,
correct it. (See
Section 4.2.)
Error LED There is an -Turn control power off
internal problem and turn it on again.
with the relay. If LED remains lit,
consult nearest
TOSHIBA.
Operation of the key Normal.
pad has not been
done for about
4 min. Press the key.
(See Section 5.3.5.)
Open the door panel Bad connection. Connect firmly. (See
and check if Section 6.1.3.)
there is a loose
connection between
the LCD display and
the door panel or
between the door
panel and the relay
body.
characters Brightness
are faint. reduced.
LCD display used for LCD life
more than
expired.
5000 hours.
Adjust brigtness.
(See Section 5.3.4.)
Replace LCD display.
(See Section 6.1.3.)
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