Technical Information
Ƴƹ
YES
Replace
communication cord
Malfunction eliminated?
NO
YES
YES
NO
4. Communication malfunction E6
Start
Cut off power supply.
Check if connection line
of IDU and ODU and the
wire inside electric box are
correctly connected.
Correct connection?
Connect the line
according to wiring
diagram.
Malfunction eliminated?
NO
Main board matches
with display board? Main
board of IDU matches
with that of ODU?
YES
Communication cord
damaged?
Replace IDU’s
main board
Malfunction eliminated?
End
Match correctly
according to the
product specification
Malfunction eliminated?
YES
NO
NO
NO
Replace IDU’s
main board
NO
YES