Fig. 5-20
For models without keypad
(1) Press the [▲] or [▼] key in the initial 
state of maintenance mode to display 
"MAINTENANCE 78" on the LCD, and 
press the [OK] key. "F100" is displayed 
on the LCD and the fan rotates at 100% 
speed.
(2) By pressing the [Start] key, "F50" is 
displayed on the LCD and the fan 
rotates at 50% speed.
(3) By pressing the [Start] key, "F0" is 
displayed on the LCD and the fan stops.
(4) When the [Stop] key is pressed, the 
machine stops this operation and 
returns to the initial state of maintenance 
mode.
For models with keypad
(1) Press the [7], and then the [8] key in the 
initial state of maintenance mode. 
"F100" is displayed on the LCD and the 
fan rotates at 100% speed.
(2) By pressing the [Start] or [Mono Start] 
key, "F50" is displayed on the LCD and 
the fan rotates at 50% speed.
(3) By pressing the [Start] or [Mono Start] 
key, "F0" is displayed on the LCD and 
the fan stops.
(4) When the [X] or [Stop] key is pressed, 
the machine stops this operation and 
returns to the initial state of maintenance 
mode.