User manual

TROUBLESHOOTING
5
51
PROBLEM CAUSE REMEDY
The serial port is used by
another program.
Quit the program that is
using the same serial
port.
A serial port has been
selected which is not
present.
Re-set to the right serial
port.
The Start command of the
Data Collection window
fails and the message
“Unable to open
communication
Error” appears.
System error. Restart the system.
On opening a .PRG file,
the message “Unable
to open file or
file is not valid”
appears.
SysTools™2001 cannot
read the file .PRG (wrong
file) from the disk, or the
program is not valid.
If available, use a backup
copy of the file.
Disk full.
Free up enough disk
space for the file you want
to save.
On saving a .PRG file, the
message “Unable to
save file” appears.
Write-protected disk.
Slide the write protection
tab to the write enabled
position.
Device not connected.
Check the device
connection.
Terminal not correctly lying
in its cradle.
Correct the terminal
position and try again.
On requesting information
on a device, the message
“Unable to connect
with device” or similar
appears.
You are connecting with
terminals and you have
also satellites in the
system.
Use setup to remove
satellites from the system.