Guidelines For Troubleshooting Common Problems - Cal Amp LMU-26xx Install Manual

5.8 GUIDELINES FOR TROUBLESHOOTING COMMON PROBLEMS

The most common problems with the LMU-26xx installations are power connections and installation
location. The following table outlines potential problems with the LMU-26xx installation and suggestions
to resolve the issues.
Note: If you cannot resolve the problem, request a Return Material Authorization (RMA) by calling
1.866.456.7522.
Symptom
No COMM or GPS LED's
COMM LED continues to blink
beyond an acceptable amount of
time.
GPS LED is mostly off, but blinks on.
MBUD-0199v3.3

Recheck power connections. Be sure the red wire is
connected to constant +12V.

Be sure the inline fuse holders contain fuses.

Note the device ESN and IMEI numbers on the device label.
Call 1-866-456-7522 to verify the unit has been activated on
the cellular network.

Verify the device has good visibility of the sky. If metal
objects shadow the device, the device may have difficulty
acquiring a valid position fix or work intermittently.

Verify the device is installed with the "label-side up" facing
towards the sky.
CalAmp | LMU-26xx Install Guide
Suggestions
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