5-12
Confidential
1.3.6 Check control panel key operation (function code: 13)
<Function>
This function is used to check that keys on the control panel are operating normally.
<Operating Procedure>
(1) Press the [1], and then the [3] key in the initial state of maintenance mode. "00" is
displayed on the LCD.
(2) Press the keys on the control panel according to the numbers provided in the figure
below. Each time the key is pressed, the corresponding figure is displayed on the LCD in
decimal notation. Check that the number displayed on the LCD matches the number
assigned to the key that has been pressed. If the keys are pressed in the incorrect order,
"INVALID OPERATE" is displayed on the LCD. Press the [X] key and try again with the
correct key.
(3) When the key operation is normal, the machine returns to the initial state of maintenance
mode when the last key is pressed. To cancel operation and return to the initial state of
maintenance mode, press the [X] key.
â– Order of pressing keys
Fig. 5-4
12
13 14 15
16
1
3
5
7
2
4
6
8
10
11
9
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