Legrand RS232 User Manual
Page 4
Status LED Indicator
The MR232 uses color codes similar to all other
MIRO products. The LED can display one of three
colors: green, yellow (amber), or red. The color
can be constant, or can flash at one of three rates
to further distinguish reported conditions.
Once per second ...........................................................1 Hz
Twice per second .........................................................2 Hz
Three times per second ...............................................3 Hz
To determine the flash rate, count the
number of flashes in 5 seconds:
5 flashes .......................................................................1 Hz
10 flashes......................................................................2 Hz
15 flashes......................................................................3 Hz
The MR232 LED indications are as follows:
Color Behavior
Meaning
None Off
Device is not powered.
Green On, not flashing Device is powered, has a house ID,
operating normally.
Green Flashing @ 2 Hz Device transmitted a message on
the wireless network.
Yellow On, not flashing Device does not have a house ID.
Yellow Flashing @ 2 Hz Device is part of a binding process.
Binding was started by some other
device with a matching house ID or
through GETID command.
Yellow Flashing @ 3 Hz Device is the master of a binding
process. Binding was started on
this device and must be stopped on
this device.
Red
Flashing @ 2 Hz Device has encountered an error.
An invalid command or attempting
to transmit with an invalid house
ID (0x00). A non-zero house ID is
required.
TROuBLESHOOTING
During Set House ID, the LED is not flashing on some
Wireless Miro devices.
• If LED is solid green before initiating house ID binding:
The device already has another house ID. Reset
it to the factory default so that it can be bound to
the desired house ID. Resetting to factory defaults
is described in the “I need to start over” issue.
• If LED is solid yellow after initiating house ID binding:
The device may be out of range of the initiating
device. It may be necessary to add a MRR2 Repeater if
reception to a particular area of the house is blocked.
I need to start over.
You can reset any wireless device to factory default
settings by pressing and holding until the LED
changes to solid yellow (approximately 10 seconds).
During the process, the LED flashes yellow and when
complete, it changes to solid yellow. The device can
then be reconfigured, exactly like any new device.