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9 Simple Examination and Repair
9.1 Simple Troubles of System
Form 9.1 Simple troubles of system
Phenomenon Reason Solution
The protector does not work,
various indicators are not light up.
Power is not supplied.
Inspect the power source and the wiring,
provide the correct power source.
The power supply voltage is wrong
Wiring correctly,the recovery insurance can
restore
The protector works intermittently,
indicators icker.
The wiring of control cable is not good; Fix tight the screws of the terminal.
The light curtain is not aiming correctly Adjust the light curtain again.
The protector indicators display
normally, but the press can not
run normally.
The output of light curtain is wrong Wiring again and right.
The press control unit has a fault. Examine the press control unit.
Digital display F1 internal self-test failure Send manufacturer maintenance
Emitter digital display F2 or F3 Sensor wiring fault
Check the emitter EDM line (red line,
yellow line) is falling off or broken
Digital display F7 Sensor wiring fault
Receiver is not connected or is falling off
or broken
Digital display F4 OSSD1 or OSSD2 output fault
Check OSSD1 or OSSD2, send factory
maintenance
Digital display F9 Duplex output failure
Restart the light curtain, if repeated, please
check whether there is any equipment
p ow e r s u pp l y E M I, or s en d f a c t o r y
maintenance
Receiver digital display is ok,
emitter Digital display H
Feeder signal or output signal failure
The output signal and the controller (relay)
input is inconsistent; Or output signal
caused by disconnection
Note:
Simple troubles of the protector on other machines can refer to above.
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