Troubleshooting — 13
Notes
Rev 3-97
* School
Question 2: Does the software perform a Roll Call?
Yes: Proceed to question 3.
No: Proceed to question 2A.
Question 2A: Is the software program a demonstration version only?
Yes: The program will not communicate with an actual system if it is a
demonstration only version.
No: Proceed to question 2B.
Question 2B: Is the serial port properly configured?
Yes: Check the computer’s BIOS settings. If the problem cannot be resolved
Contact Crown.
No: Check the Windows Control Panel for serial port configuration. Check the
software serial port configuration and ensure the proper port is selected that
you are not working offline. Check the computer’s BIOS.
Question 3: Does the software find the interface at Roll Call?
Yes: Proceed to question 4.
No: Proceed to question 3A.
Question 3A: Is the interface off or unplugged from the AC power source?
Yes: Restore power.
No: Proceed to question 3B.
Question 3B: Is the correct RS232/422 cable being used?
Yes: If a Drone is the system interface it is sometimes necessary to remove Pin
4 from the male connector on the standard RS232 cable. Proceed to question
3C.
No: Use the correct cable.
Question 3C: Is the RS232 cable connected correctly at both ends?
Yes: Proceed to question 3D.
No: Connect the cable properly. Make sure you are connected to the proper
port on the computer.
Question 3D: Is the com port active in software (you do not have Working Offline
checked)?
Yes: Proceed to question 3E.
No: Set the port to active or working offline unchecked.
Question 3E: Is the serial port configured properly in the IQ software, Windows
Control Panel, and the computer BIOS?
Yes: Proceed to question 3F.
No: Configure the computer.
Question 3F: Is the interface properly configured?
Yes: Proceed to question 3G.
No: Set baud to 9,600, 19,200, or 38,400. Note that maximum speed may be
limited by long RS232 runs. Ensure that the RS232/422 switch is set correctly.
Set parity to off, data bits to 8, stop bits to 1.
Question 3G: If an SMX-6 is used as interface, is it in CLN mode?
Yes: Use another component such as an INT II or PSI as the system interface
or, if no other interface is available, reset the SMX by powering it down and
temporarily disconnecting the battery.
