User guide

Maintenance and Troubleshooting
62 IQ-200
Troubleshooting the IQ-203 Control Unit and IQ-206 Expansion Unit
Troubleshooting the IQ-203 Control Unit and
IQ-206 Expansion Unit
Problem Probable Cause Recommended Action
IQ-203 or IQ-206 does
not power ON.
AC power not applied.
Verify AC power cord connection,
then power on IQ-203 or IQ-206.
Fuse blown
Verify the fuses (see Replacing the
Fuses on page 60).
Blank LCD/CRT
display on IQ-203
LCD/CRT display not
activated
Press the front panel key, or
select an LCD/ CRT display in Display
menu when LCD/CRT lights up.
External display not on Turn on external display.
Panel keys, mouse,
and/or keyboard do
not respond.
No communication
between
keys/mouse/keyboard
and computer
Power OFF IQ-203 and IQ-206
Expansion Units and secure IQ
modules in place as well as verify
mouse, keyboard, and all cable
connections, then power on IQ-203.
LCD flickers
Improper color scheme
setting
Exit the IQ-200 Software and access
the Windows Control Panel.
Double-click on Display. In the
Display Properties window, choose
the Appearance tab. From the
Scheme list, select High Contrast
White.
IQ-206 Expansion
Unit sequential
position display
indicates "E".
IQ-206 Expansion Unit
not connected to IQ-203
or to IQ-206 Expansion
Card.
Power OFF IQ-203 and IQ-206;
properly connect interface cable;
then power on IQ-206, followed by
IQ-203.