COBAN GROUP TK103A - Faults & the Solutions

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something more about the voltage range. Otherwise, it won’t work properly or
destroy the product.
8． Faults & the Solutions
Faults
Solution
Startup Fail
Please check out the power wiring in correct place.
Call Fail
Check the GSM antenna connected.
Check whether the SIM card in place. Check whether the
normal power supply voltage.
Hang up Fail
In existence of an authorized number, Please initialize the
unit and re-set up the central number.
Monitor Fail
Check if the authorized number is setup
Location report in
digits of zeros.
Check out if the GPS external antenna well.