Troubleshooting
Problem Possible Cause
Solution
Batteries are not inserted
Install 4 x AA alkaline batteries Push the Power Button for 3 seconds
Instrument is not powered-on Low battery charge or dead batteries Incorrect battery polarity Corroded battery posts Corroded battery terminals Instrument is in the LOCKED position
Replace batteries with new alkaline batteries
No Laser Beam
Install batteries observing polarity
Replace batteries
Clean terminals
In Locked and tilted mode, it is normal for the laser beam to fluctuate
Flashing Beam
5 seconds ON, 1 second OFF
Power LED glows solid RED Power LED flashes RED Cannot Switch the Unit OFF
Battery power is reaching the depleted zone. Replace batteries
Voltage is lower than 4.6 volts
Voltage is lower than 4.1 volts Pendulum Lock/Unlock Switch is in the UNLOCKED position
Replace batteries with new alkaline batteries
Rotate the Lock/Unlock Switch switch to the LOCKED position
Contact ToughBuilt ® Customer Service for additional support.
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