57
Communicator
|
3.05
4. If no signal exists:
a) Check antenna connection.
b) Check connection to the module (GSM).
c) Check the wiring. If there is a problem, contact the dealer.
Refer to the appropriate section in Appendix A: Replacing Communication Cards and Modems, page 68
for detailed instructions on exchanging the modem.
•
Text test failure in menu (refer to Testing the Text Function, page 21).
The modem has to be placed in a way that ensures sufficient signal strength. To improve signal
strength, the antenna can be moved to another position. Signal strength may depend on how
close the modem is to a radio base station. You must ensure that the location, at which you
intend to use the modem, is within the network coverage area
12.4 RF Communication
No RF connection
Figure 18: RF Card Location
•
Check the signal strength (refer to Testing the Radio RF Signal, page 34).
o
If it is weak, change the antenna location.
o
If the strength is zero:
1. Check the baud rate and the channel address (refer to Configuring the Channel Settings,
page 26). Correct if needed.
2. Ensure that the Communicator’s baud rate matches the controllers’ baud rate.
•
Check RF card configuration:
o
Try to change the baud rate and channels on both sides (refer to Configuring the
NOTE:
In this situation, lower the baud rate.
o
Improve the antenna's location.
o
Replace P-COMM-RF10-9-S COMMUNICATOR RF (Refer to Replacing the RF-Card,
