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Defect
Horizontal application
defective
Calibration can't saved
Calibration limit
beyond precision
scope
Weak beam
Uneveling
Light is out of working
Unit won't receive
remote control signal.
Vertical application
defective
Rotation head loose
from frame.
Battery indicator lights
flash
No alarm
Button doesn't work
Scan function
defective
Slope out of tolerance
Unable to enter the
calibration mode
Troubleshooting
Check x-axis and y-axis bubble
circuit board connection
cable ,or replace the Membrane
Switch
Replace the storage IC
Adjust the compensation glass
Replace the laser
Replace stepping motor
Replace the Membrane Switch
Check receiver connection cable
Check z-axis bubble circuit
board connection cable ,or
replace the Membrane Switch
Fasten the screw
Battery voltage is low, need to
recharge
Replace Main PCBA
Data cable looses ,reinstall the
data cable
Replace Counter Photo-Eye
PCBA
Loosen the four M2.5 screws on
the Main PCBA. Move the Main
PCBA left or right to correct the
slope.
Tighten the screws.
Replace main PCBA
- 8 -
Main Part
906139 OPP2-keypad-001
Membrane Switch
Main PCBA
/
907257 OPP-01-01_88 Main
Laser Module（DW074LR）
906482 MPP-01-01_88 Main
Laser Module（DCE074LR）
904290 NRL800HT-01-02_04
Stepper Motor
906139 OPP2-keypad-001
Membrane Switch
/
906139 OPP2-keypad-001
Membrane Switch
/
/
Main PCBA
/
905243 NRL-ECV-001_A20
Counter Photo-Eye PCBA
/
Main PCBA
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