Badger Meter M-Series M1000 - Manual (Page 31)

LED Status Indicators
When the LEDs on the circuit board are active, they indicate the status of the device .
LED Device Status Label on PCB
LED1 Coil loop connected COIL
LED2 Communication – receiving RX
LED3 Communication – transmitting TX
LED5 Flash memory activity DISK
LED6 Digital output #1 OUT 1
LED7 Digital output #2 OUT 2
LED8 Digital input INPUT
LED10 Power ON POWER
LED13 USB, HOST mode USB
LED1
LED2
LED3
LED10
Main Board
LED7
LED6
LED8
LED13
LED5
Display Board
Troubleshooting
Page 31 July 2014 MAG-UM-00379-EN-02