Service manual

CHAPTER 7 MAINTENANCE MODE
7-12
3.7 Operation Check of LCD (Maintenance mode 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 keys in this order
in the initial stage of the maintenance
mode.
The LCD shows.
(2) Press the Start button. Each time
you press the Start button, the LCD
cycles through the displays shown at
right. The Status lamp also changes
from orange, red, to green each time
you press the Start button.
(3) Press the Stop 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.
Fig.7-6