AeroComm CL4424 user manual Troubleshooting, Problem Solution

CL4424 User’s Manual

5. Troubleshooting

Problem		Solution
Read Radio displays error message: “Radio not	1.		Verify the PC Settings. See Section 4.2.3 PC
responding.”			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	1.		Cycle power to the radio.
responding.”
	2.		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	1.		Make sure the CL4424 unit(s) is connected to
received.			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 a 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.

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