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If negative pressure abnormality occurs
By the environment or aging, the pressure controlled in this machine may exceed the control range.
If an error related to pressure abnormality occurs, perform the procedures below:
• When error display of (1) appears, immediately adjust the pressure as the following procedures to
reset to the normal value.
1
Select [PRESSURE ADJUST] of the maintenance menu.
(1) Press the
(2) Press
(3) Press
2
Press
3
Press the
4
Rotate the adjustment screw of the throttle valve to release it so that air can flow.
• The throttle valve is located on the back side of the left side cover. Rotate it until the adjustment screw of
the throttle valve comes to the middle position.
5
Press the
• Sensor adjustment starts.
key.
to select [MAINTENANCE] and press the
to select [PRESSURE ADJUST].
to select POSITIVE/NEGATIVE.
key.
Adjustment screw
key.
PRES SURE AD J US T
: NEGA T I V E
O p e n T h r o t t l e V a l v e
COMP L E T ED
Turn the adjustment screw to
this position.
Positive prssure
Negative Pressure
* * AD J US T I NG * *
Troubleshooting
key.
[ EN T ]
P L E A SE WA I T
5-9
1
1
1
1
5
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