Confidential
5-11
1.4.7 Operational Check of LCD (Function code 12)
<Function>
This function allows you to check whether the LCD on the control panel works normally.
<Operating Procedure>
(1) Press the 1 and 2 buttons in this order in the initial stage of the maintenance mode. The
LCD shows.
(2) Press the Black Start button. Each time you press the Black Start button, the LCD and
Status LED cycle through the displays shown below.
(3) Press the Stop/Exit button in any process of the above display cycle. The machine beeps
for one second and returns to the initial stage of the maintenance mode.
< LCD > < Status LED >
Status
Status
Status
Fig. 5-4
Backlight ON
Backlight ON
Backlight OFF
Backlight OFF
Yellow
Red
Green
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