BYAN SYSTEMS, INC.
Automated Gate and Access Control Products
413 Linden • Lusk, WY 82225 • (800) 223-2926
12
Trouble Shooting Guide:
Symptom
Possible Cause
Possible Solutions
Board will not
power up
Power not connected,
switch in prewire not
turned on, board
voltage of board
incorrect, blown
incoming power fuse
Ensure all connections are made and are tight, make sure
switch in prewire is on, make sure board voltage matches
incoming power, check 2A fuse on the G2M
Board is
powered up but
won’t function
Jumper wires in
accessory terminal
loose/missing, safety
device malfunctioning,
blown operator fuse
Check all jumper wires for location and make sure they are
tight, make sure safety devices are clear of obstruction and
connected properly (the G2M uses N/C safety contacts),
check 6A fuses on the G2M
Operations will
not open or
close fully
Timers not adjusted
properly, dip switches
are in the wrong
position
Timers should be adjusted so operator pistons bottom out
completely then run for an additional 3 – 5 seconds, make
sure all dip switches are in the desired location and making
good contact
Operators run,
but there is no
piston
movement
Capacitor bad or not
hooked up, bypass
screw on operator
backed out
Check that capacitors are hooked up, if one is suspect,
switch capacitors and see if the problem follows the
capacitor, make sure bypass screw is screwed in and snug
Safety devices
connected
properly but not
functioning
properly
Jumpers in term. 8, 9
& 10 are still in, safety
device is
malfunctioning
If car safe is used, make sure that the jumper between
accessory terminals 9 & 10 is removed, for people safe,
remove jumper between accessory terminals 8 & 9, make
sure the safety device is connected and working properly
Radio receiver
will only open
the gate
Radio receiver is
wired incorrectly
If the receiver is to be used as a reversing device, it must be
wired across accessory terminals 16 & 19
Free exit probe
not working
Probe is
malfunctioning, probe
is wired incorrectly
Make sure probe is working properly and is connected
correctly, probe’s N/O contacts must be connected across
accessory terminals 16 & 18, if the probe uses 24V AC for
power, it can be connected to accessory terminals 3 & 4
Operators
running the
wrong direction
Directional wires
switched
Reverse the black and red directional wires either at the
operator or at the board
If at any time you have a question concerning G2M control board, call 1-800-223-2926 for
technical support.
