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TROUBLESHOOTING

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The sensor power is off.

Check the wiring and the power supply.

The sensor cycles in 
and out of detection

The LED

flashes quickly

after unlocking.

The sensor does not 
respond to the remote 
control

Improper output 

configuration on the sensor.

The sensor is disturbed by 
vibration, a moving object, or 
electrical noise from nearby 
environment.

The sensor needs an access 

code to unlock.

The remote control batteries 

are weak or improperly 

installed.

Check the output configuration setting on each 

sensor connected to the user equipment.

Check the batteries and change them

if necessary.

Make sure the detection mode is unidirectional.

Increase the detection 

filter value

.

Sensor appears 
unresponsive

Make sure the sensor is fixed properly.

Make sure the detection mode is unidirectional.

Increase the tilt angle.
Increase the detection 

filter value

.

Reduce the field size.

Enter the right access code.

If you do not know the access code, cut the power 

supply and restore it to access the sensor and 
change the access code or delete it.

Change the antenna angle.

Decrease the field size.

Increase the detection filter 

value.

The sensor goes 
into detection for no 
apparent reason

The sensor detects raindrops 
or vibrations.

In highly reflective 

environments, the sensor 
detects objects outside of its 

detection field.

Discrepency 
between sensor state 
and sensor output

SAFETY INSTRUCTIONS

The manufacturer of the end-user equipment is responsible for carrying out a risk assessment and installing the sensor and the end-user equipment in 
compliance with applicable national and international regulations and standards of the end-user equipment. 
Only trained and qualified personnel may install and setup the sensor. 
The warranty is void if unauthorized repairs are made or attempted by unauthorized personnel. 

Only for EC countries: According the European Guideline 2012/19/EU for Waste Electrical and Electronic Equipment (WEEE)

 

Customer Service: 1-800-369-6671  | General Questions: [email protected]

EXP-MS-30W-N4X | Larson Electronics, LLC

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ACCESS CODE

If you do not know the access code,

 

cut and restore the power 

supply

.

 During 1 minute, you can erase an unkown access code:

 

SAVING AN ACCESS CODE:

DELETING AN ACCESS CODE:

The access code (1 to 4 digits) is recommended to set sensors installed close to each other.

ERASE AN UNKOWN ACCESS CODE:

Once you have saved an access code, you always need to enter this code to unlock the sensor.

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