INVENTOR P9VI32-09WF User Manual

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11.2.11 Indoor PCB /Display board communication error (E7)
Error Code
E7
Malfunction decision
conditions
Indoor PCB does not receive feedback from Display board.
Supposed causes
● Wiring mistake
● PCB faulty
● Display board malfunction
Trouble shooting:
Power off, then restart the unit
2 minutes later.Is it still
displaying the error code?
Replace the indoor main
PCB.Is the error extinguished?
Yes
Replace the Display board
Check the wirings
and connection. Are all
the connections good?
Yes
No
Correct the connection
or replace the wirings
No

INVENTOR P9VI32-09WF Specifications

General

Brand	INVENTOR
Model	P9VI32-09WF
Category	Air Conditioner
Language	English