Industrial Electronic Devices
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Document code: MN67931_ENG Revision 1. Page 11 of 46
LEDS:
The device has got two LEDs that are used to give information of the functioning status.
The various meanings of the LEDs are described in the table below.
LED Normal Mode Boot Mode
1: Device State (green) Blinks slowly (~1Hz) Blinks quickly: Boot state
Blinks very slowly (~0.5Hz): update in progress
2: wM-Bus comm.
(yellow)
Blinks quickly when a M-Bus
Wireless message is received (only
if M-Bus Wireless is present)
Blinks quickly: Boot state
Blinks very slowly (~0.5Hz): update in progress
3: M-Bus comm. (yellow)
Blinks quickly when a reply to a M-
Bus request arrives (only if M-Bus
is present)
Blinks quickly: Boot state
Blinks very slowly (~0.5Hz): update in progress
4: MQTT status (yellow)
ON: MQTT not connected
OFF: MQTT connected
Blinking: MQTT communication
Blinks quickly: Boot state
Blinks very slowly (~0.5Hz): update in progress
5: Ethernet Link (green) ON: Ethernet cable connected
OFF: Ethernet cable disconnected
ON: Ethernet cable connected
OFF: Ethernet cable disconnected
