Справочник Пользователя для Mitsubishi Electronics XL21

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PH50, XL50, XL21 series Set-up and Installation Manual 
 
98 
 
3.8.4.4. LED 
• 
ERROR (red): It lights when an over current is detected due to the axis locking. The unit 
cannot be operated until resetting. 
• 
POWER (green): It lights when 12-volt power is supplied to the unit. 
• 
FW-EN (yellow): It lights when the slide switch is set FACTORY for firmware upgrading. 
3.8.4.5. Reset 
button 
Used to reset an error indication when red LED lights. The LED will turn off if it recovers from the 
error. 
3.8.5.  Recovery procedure from error 
When an adjusting axis is locked, the red LED lights and the unit cannot be operated. Solve the 
error according to the following procedure. 
1.  Detach the upper and lower units from the adjuster. 
2.  Turn back the locked axis to release with an Allen wrench (5mm) since it reaches the end of 
the adjustment range. 
For instance, when the horizontal keystone is locked on the right end of screen in 
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detach the units and turn the axis clockwise to release. 
 
3.  Push the reset button with an acuminate tool such as a pen point to turn off the red LED. 
4.  Re-attach the units on the adjuster. 
3.8.6. Trouble 
shooting 
Problems 
Remedies 
The latch is broken. 
• 
Replace the broken latch with a spare. 
Note: When replacing, the first step is to attach the grommet on the 
unit. Then insert the plunger into it. You cannot attach the latch in the 
state of integrated. 
The motor doesn’t spin. 
• 
Replace the connecting cable with a spare. The wire may be broken.
• 
Check the yellow LED, which indicates the FACTORY mode. If the 
LED lights, set the slide switch OPE side and push the reset button. 
Green LED doesn’t light. 
• 
Check the cable connecting. When the LED doesn’t light even if it 
connects correctly, replace the connecting cable with a spare. The 
wire may be broken. 
The red LED lights. 
• 
Release the locked axis according to the chapter 3.8.5. 
MECH ALIGNMENT menu on 
screen cannot be selected. 
• 
Check the yellow LED, which indicates the FACTORY mode. If the 
LED lights, set the slide switch OPE side and push the reset button of 
the unit. After resetting, exit the on-screen menu once, and re-enter 
the menu. 
 
Horizontal keystone axis