194002020 - N014 TELEPHONE WON''T START

it is not possible to connect with telephone operators
0PRELIMINARY CHECKSALL OKPROBLEMS ENCOUNTEREDACTION
Do not carry out the checks with the customer''s SIM card. Carry out the test using a dedicated SIM card that is proved to have been working on other vehiclesCheck the intensity of the range received reading the number of bars on the displayCheck the electrical connection of the GSM aerial leadCheck whether the GSM aerial is working by replacing it with a test oneMove on to Step 11.Poor reception in the area through lack of radio signal cover1.Move to an area covered by the radio signal
2. GSM aerial lead connection at Connect defective2. Restore correct connection.
3. GSM aerial defective3. Replace the GSM aerial    Op. 5570T61 MULTI-FUNCTION AERIAL - R R
1ELECTRICAL CHECKSALL OKPROBLEMS ENCOUNTEREDACTION
Check that the speaker connections are correctly connected.If the customer complains of no or poor audio quality, check:

  • That the microphone for the hands-free function is working properly

  • Check that there are no microphone vibrations
Move on to Step 21. Speaker connections broken1.Restore continuity.
2. Microphone not correctly installed2. Install the microphone correctly
2CHECK ON CORRECT OPERATIONALL OKPROBLEMS ENCOUNTEREDACTION
Check that the fault is no longer presentEnd of diagnosis