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Appendix A: Troubleshooting
38
Problem(s)
Possible cause(s)
Possible solution(s)
Nothing happens when screen is
pressed.
The USB cable is loose or
disconnected.
Reconnect the cable. For more
The ribbon cables are disconnected.
Connect all ribbon cables. For more
The display controller is damaged.
Replace the controller board with kit
KDISPLAY-CTRL.
Controller board LED
L1
(green) is not
on and/or bottom board LED
PWR
(red)
is not on.
The ribbon cables are disconnected.
Connect all ribbon cables. For more
There is no power to the board.
Confirm the input power to the Autoflex
is connected.
The display controller is damaged.
Replace the controller board with kit
KDISPLAY-CTRL.
Power supply components are blown
out.
There are burned marks on boards and
components.
Motors and fans slow down or stop.
There is/was a power surge, brownout,
or power outage.
Avoid the problem in future by
providing proper voltage and protection
for the control.
Replace any damaged circuit boards
with a kit.
Alarm relay not operating alarm
system
The wiring is incorrect
Correct the wiring. For more
information, read