©2019 Johnson Level & Tool - Rev. 3
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11. Troubleshooting
Symptom
Unit will not power on
Possible Cause
Batteries depleted
Battery charge depleted
Battery case not secure
Polarity reversed
Solution
Replace batteries
Charge battery pack
(rechargeable batteries
only)
Secure battery case
with set screw
Flip batteries
Unit powers on briefly
Batteries depleted
Battery charge too low
Replace batteries
Charge battery pack
(rechargeable batteries
only)
Laser will not spin
Batteries depleted
Battery charge too low
Unit not powered on
Replace batteries
Charge battery pack
(rechargeable batteries
only)
Power on unit
English 2019_Manuals 3/27/19 10:24 AM Page 21