Chapter 5 Troubleshooting And Others - Delta AS-BF Series Operating Manual

Chapter 5
Troubleshooting and Others
Troubleshooting
◎
Indicator
Light is off
Irregular flashing of red/green
light
Blue/green/red lights are lit
simultaneously
Only blue light is lit, and green
light is not lit; red light is lit when
shielded
Orange light
Red/green lights are lit, and
blue lit is not lit
Operating Manual for Communicating Area Sensor

Chapter 5 Troubleshooting and Others

Cause
Poor power contact
Poor beam alignment
Electrical interference
Light source
interference
Over-current
Power saving setting
Wiring error, or input
voltage exceeds
specifications
Abnormal internal
signal/voltage
Abnormal number of
beams
Inspection method
Check the power connection and whether

or not the connector pin is bent
Whether it be switched to green light with

near-distance alignment
Check the module and bracket installed flat

Check whether mounting method is

susceptible to vibration
Check if the shield is connected to a clean

ground.
Has external high power machine

shutdown been improved?
Is there any external glare affecting device?

Installation of multiple light curtains should

use transmitter/receiver staggered format
Check load at output end

Check output mode setting

Turn off power saving setting

Check if wire connection is normal

Check if input voltage is within range

Contact DELTA service center

Beam number setting error, or abnormal

number of internal beams Contact DELTA
service center
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