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MULTI-TASKER
14
TROUBLESHOOTING GUIDE 8
We have carefully tested and have found no
problems in the supplied MT106-101; however, we
would like to offer suggestions for the following:
• 8.1 LED IS NOT LIT
• 8.2 LED IS BLINKING RED
• 8.3 NO DISPLAY
8.1 LED IS NOT LIT
Cause 1: Card cage is not plugged in.
Solution: Plug the card cage in. If the LED
lights, the problem is solved. If the
LED is still not ON, see Cause 2.
Cause 2: Card is not plugged in all the way.
Solution: Push the card in all the way. If the
LED is still not ON, see Cause 3.
Cause 3: Card cage slot has a problem.
Solution 1: Test the card in other slots of the
card cage. If the slot was damaged,
the card may work in other slots. If
other slots work and the LED lights,
the problem is the card cage slot.
The card cage may require service.
Call ALTINEX at (714) 990-2300. If
the other slots do not work and the
LED is still not lit, see Solution 2.
Solution 2: Take any other known good card
with an LED and verify that the slot
used is good by seeing if the other
card’s LED lights in that slot. If it
lights, then the original card may be
the source of the problem. Call
ALTINEX at (714) 990-2300.
8.2 LED IS BLINKING RED
Cause 1: The CPU on the card is not
working properly.
Solution 1: Look at the card and verify that
there is no damage. If there is no
damage, see Solution 2.
Solution 2: Verify that all IC’s are seated in their
sockets. If the LED is still blinking
red, see Cause 2.
Cause 2: The card and its serial device are
not communicating.
Solution 1: Turn the system OFF and then ON
again. If there is still an error, see
Cause 3.
Cause 3: RS485 communication error
Solution 1: Make sure that the card is pushed
all the way into the slot. If there is
still an error, see Solution 2.
Solution 2: Turn the system OFF and then ON
again. If there is still an error, see
Solution 3.
Solution 3: Call ALTINEX at (714) 990-2300.
8.3 NO DISPLAY
Cause 1: The source has a problem.
Solution: Check the source and make sure
that there is a signal present and all
source connections are correct. If
the source is working and there is
still no display, see Cause 2.
Cause 2: The card output is not selected.
Solution: Select the card output. See RS-232
accessible commands in Section 7.
If no display is present, see
Cause 3.
Cause 3: Cable connections are incorrect.
Solution: Make sure that cables are properly
connected. Also, make sure that the
continuity and wiring are good. If
there is still no display present, see
Cause 4.
Cause 4: The display has a problem.
Solution: Make sure the display has power
and is turned ON. If there is still no
display, please call Altinex at
(714) 990-2300.