User's Manual

Trimble R7/R8 GPS Receiver User Guide 187
Troubleshooting C
Trimble R7/R8 GPS Receiver Operation
Table C.2 describes some possible receiver issues, possible causes, and
how to solve them.
Receiver Issues
Table C.2 Receiver issues
Issue Possible cause Solution
The receiver does not
power up.
External power too low. Check the charge on the external
battery, and check the fuse if
applicable. Replace the battery if
necessary.
Internal power too low. Check the charge on the internal
batteries and replace if necessary.
Ensure battery contacts are clean.
External power not properly
connected.
Check that the Lemo connection is
seated properly.
Check for broken or bent pins in the
connector.
Faulty power cable. Try a different cable.
Check pinouts with multimeter to
ensure internal wiring is intact.