DTM436 DTM437
13
8 Operating and display elements
DTM436
DTM437
1
1
1 LEDs green / yellow / red
LED
State
Description
green
on
Operating status operational
flashes
Device deactivated
yellow
on
ID tag detected
flashes once for 1/4 s
ID tag read or written successfully
flashes briefly 4x
ID tag read or written with errors
red
on
CAN bus not accessible
flashes
Device hardware fault