Problem
The Gateway does
not communicate
with the Access
Control Panel.
The Gateway does
not communicate
with lock/device
14
Troubleshooting
Possible cause
The RS-485 cable between the
Gateway and the Access Control
Panel may be damaged.
The RS-485 signals between the
Gateway and the Access Control
Panel may be wired incorrectly.
The RS-485 address of the Gateway
may not match the RS-485 address
assigned in the Access Control Panel.
The 2 | 4 wire jumpers (P5) may be
improperly installed for communication
with Gateway 4-Wire or improperly
removed for communication with RS-
485 2-Wire.
The Gateway antenna may not be
properly installed.
Wiring may cause interference with
the antenna
The Gateway may not be linked to
the lock
Solution
Replace the RS-485 cable between the
Gateway and the Access Control Panel.
Refer to Gateway wiring diagrams and
ACP system documentation for proper
wiring instructions.
Change the RS-485 address of the
Gateway to match the RS-485 address
assigned within the Access Control
Panel.
Install the 2 | 4 wire jumpers when
communicating with RS-485 2-Wire.
Remove the 2 | 4 wire jumpers when
communicating with RS-485 4-Wire. Refer
to typical Gateway wiring diagrams.
Ensure that the Gateway antenna is
installed vertically and properly seated.
Check to ensure that wiring is properly
routed and the area around the antenna
is clear of any wire. See wire routing
diagrams for more information.
Link the Gateway to the lock. See
Linking Locks and Gateways on page
5.