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Fastrack Supreme User Guide
Troubleshooting
confidential ©
Page: 46 / 77
6
Troubleshooting
This section of the document describes possible problems encountered when using the FASTRACK
Supreme and their solutions.
To review other troubleshooting information, refer the ‘FAQs’ (Frequently Asked Questions) page at
or use the following link:
http://www.wavecom.com/support/faqs.php
6.1
No Communication with the FASTRACK Supreme through the Serial Link
If the FASTRACK Supreme does not answer to AT commands through the serial link, refer to the table below
for possible causes and solutions.
Table 12: Solutions for no connection with FASTRACK Supreme through serial link
If the Supreme
returns
then ask
Action
Is the FASTRACK Supreme powered
correctly?
Make sure the external power supply is
connected to the FASTRACK Supreme and
provides a voltage in the range of 5.5 V to 32
V.
Is the serial cable connected at both
sides?
Check the serial cable connection
Nothing
Does the serial cable follow correctly
pin assignment shown in paragraph
3.2.1.2.
Connect the cable by following pin
assignment given in paragraph 3.2.1.1.
Is the communication program
properly configured on PC?
Ensure the setting of the communication
program is fit to setting of FASTRACK
Supreme.
FASTRACK Supreme factory setting is:
Data bits = 8
Parity = none
Stop bits = 1
Baud = 115 200 bps.
Flow control = hardware
Nothing or non-
significant characters
Is there another program interfering
with the communication program (i.e.
Conflict on communication port
access)
Close the interfering program.
6.2
Receiving "ERROR" Message
The FASTRACK Supreme returns an "
ERROR"
message (in reply to an AT command) in the following
cases: