M850/M860 USER MANUAL
APPENDIX B: TROUBLESHOOTING
Failure
Possible Cause
Recommendation
The lantern beam/LEDs
do not turn off
The lantern is in a
continuous demonstration
mode (intended for
distributor and factory use
only) or the lantern is being
used indoors under
florescent lights.
Change the lantern state to “on” or “off” following the
instructions on page 11 of this manual.
Lantern is dim
Effective intensity setting is
lower than desired.
Verify the lantern’s Effective Intensity settings following the
detailed instructions on page 12 of this manual. Consult the
Carmanah online simulator at carmanah.com/selector to find a
sustainable intensity for your installation location.
The ALC function has
activated
Tap quickly three times on the lantern head or left shoulder to
activate the LED display. Review the data on the LED display to
verify if ALC is “on” and if the lantern’s battery state-of-charge
(bAtt SoC) is low. Follow the charging instruction on page 21 of
this manual.
GPS equipped lanterns
will not synchronize.
GPS sync not enabled
Change the “SyNC: setting to “on” following the instructions on
page 18 of this manual.
The lantern flash codes are
not the same.
Verify that all GPS equipped lanterns are set to the same flash
code.
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© 2014, Carmanah Technologies Corporation. Revised July 2014. 69928_8XX_UserManual_RevB
