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8. Troubleshooting
Problem Possible causes Action
dFlow does not turn on Equipment is not receiving
power from the AC
network or circuit breaker
turned off.
Check circuit breaker and
power grid.
Door does not move upon
turning equipment on
Drive cables or motor
c o m m u n i c a t i o n
disconnected.
Check cable connection
between motor and motor
drive board.
Pictograms do not turn
on.
Pictogram Transmitter:
Cable between CPU
and Pictogram may be
disconnected.
Pictogram Receiver:
Connection cable between
the pieces of equipment
disconnected.
Check cable connections
on the side according to
the pictogram presenting
a problem.
LED’s do not turn on LED ribbon power cord
disconnected.
Connection cable between
the pieces of equipment
disconnected.
Check power cable
connections and LED
communication.
Sensor does not turn on /
does not communicate
AC power cord of
camera disconnected.
Communication cable
disconnected.
Check if the camera’s AC
connection is properly
connected to dFlow’s
terminal.
Check if the camera’s
communication cable is
connected to dFlow’s
CPU.
WARNING
To reduce risk of electric shock, before servicing, turn off the
equipment's electrical power by switching the circuit breaker to the
OFF position. Refer all servicing to qualified service personnel only.