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10.3.2.2 Communication malfunction between IPM board and outdoor main board(ODU E3)
Communication malfunction between
IPM board and outdoor main board
Is there at least one LED in
the IPM board light?
Check the signal wire between
the IPM board and the main
board, is it connected good?
Reconnect and retry. Is
error still display?
Replace IPM board, and
then check whether the
system can run normally
Replace the electric control
box
No
No
No
No
Yes
Trouble is solved
No
Yes
Replace outdoor main
board, and then check
whether the system can run
normally
No
Yes
Yes
E3 display
Содержание M2OD-14HFN1-Q
Страница 12: ...4 Wiring Diagram M2OD 14HFN1 Q M2OD 18HFN1 Q...
Страница 13: ...M2OD 16HFN1 Q M2OD 18HFN1 Q W190...
Страница 14: ...M3OD 27HFN1 Q M3OD 21HFN1 Q M3OD 26HFN1 Q M4OD 28HFN1 Q M4OA 36HFN1 Q...
Страница 15: ...M5OC 36HFN1 Q M5OD 42HFN1 Q...