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Troubleshooting Guide
Proper operation of the RadioRA Wireless Central Home Lighting Control System is based upon a complex
series of radio frequency (RF) communications between system components. As such, it is highly dependent
upon proper system installation and programming of controls.
If you experience difficulties programming or operating your RadioRA system, please refer to this guide.
Many symptoms of common system activation or programming errors are contained in this Troubleshooting
Guide. If you are having a problem with your system not described here, or if you have any questions, call
the Lutron Technical Support Center at 1-800-523-9466.
Symptom
I
ACTIVATE CONTROLS LED on
MAIN or AUXILIARY Repeater
turns ON and then back OFF
when attempting to go into
ACTIVATE CONTROLS mode.
II
After activating an RS232
Interface, the RS232 Interface
LEDs flutter for approximately 5
seconds then go out, and "- -" is
still on the display.
III
The RS232 Interface appears to
not be working at all and the
Power LED is OFF.
IV
The RS232 Interface appears to
not be working at all and the
Power LED is ON.
V
RX LED not flashing when
sending an RS232 command to
the RS232 Interface.
VI
No RS232 feedback and TX
LED is flashing.
VII
No RS232 feedback and TX
LED is not flashing.
44
RadioRA
Setup Guide Addendum for the RS232 Interface
®
Possible Cause
Your system has encountered a
neighboring system within RF
communication range also in
ACTIVATE CONTROLS mode.
RS232 Interface is out of RF
communication range of nearest
system Repeater.
System not in ACTIVATE
CONTROLS mode.
No power available to the RS232
Interface.
Faulty power supply.
The RS232 Interface was not
programmed properly.
The RS232 Interface may be out
of RF communication range of the
nearest Repeater.
RS232 Interface is in powersave
mode.
RS232 cable not connected to
both devices.
Incorrect type of RS232 cable.
RS232 cable not connected to
both devices.
Incorrect type of RS232 cable.
External device using incorrect
baud rate.
RS232 Interface not programmed.
Handshaking set incorrectly.
Remedy
Discontinue activating your RadioRA
system until activation of the neighboring
system is complete.
Move a system Repeater closer to the
RS232 Interface in question, or vice versa,
or you may have to add another Repeater.
Place system in ACTIVATE CONTROLS
mode.
Check that breaker is on and not tripped.
Verify that the plug in power supply is
working.
Reprogram the RS232 Interface.
Verify whether the RS232 Interface is in
range of a Repeater by placing the system
in BEEP mode.
Press and release any button on the
RS232 Interface.
Check cable connections.
Verify cable, see the RadioRA RS232
Protocol and Programming Guide
(P/N 044-006).
Check cable connections.
Verify cable, see the RadioRA RS232
Protocol and Programming Guide
(P/N 044-006).
Verify baud rate of external device is set to
9600 baud.
Program the RS232 Interface.
Verify handshaking, see Turning
Hardware Handshaking ON or OFF,
page 33.
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