AeroComm CL4424 用户手册

CL4424 User’s Manual

6/21/2005

5. Troubleshooting

Problem

Solution

Read Radio displays error message: “Radio not

responding.”

1. Verify the PC Settings. See Section 4.2.3 PC

Settings.

2. Make sure the CL4424 unit uses the right serial

cable. Refer to Section 2.1 RS-232.

3. If any other program is running and is using the

same COM port as the CL4424, close that

program and try to read the radio again.

4. Reset the radio by cycling power after each

unsuccessful Read.

Write Radio displays error message: “Radio not

responding.”

Cycle power to the radio.

Read the radio and make desired changes and

then Write the radio.

Garbled Data received.

1. Verify that the baud rate of the CL4424 matches

that of the CL4424 host device.

Client’s Link LED does not come on.

1. Make sure the unit is connected to power.

2. Cycle power to the radio.

3. Verify the Channel Number and System ID

settings.

Link LED is on, but data does not get transmitted or

received.

1. Make sure the CL4424 unit(s) is connected to

the correct COM Port.

2. Check the COM port settings for correct Baud

Rate. Units can have transmission errors with

Flow Control set to Xon/Xoff.

3. Try

increasing

the

Maximum Transmit Attempts

(for Clients) and/or Broadcast Attempts (for

Servers) values in small increments until

communication is established.

4. Connect

Null Modem adapter between the

Client and its host device.

5. Check the Destination Address setting.

If these troubleshooting tips do not resolve the problem, please call our toll free number at:
(800) 492-2320, extension 207. Technical support hours are Monday through Friday, 8:00 am to
5:00 pm Central Standard Time.