- Press REC switch to set the air outlet to recirculation.
- The REC switch indicator turns on.
- Listen to intake sound and confirm air inlets change.
- Press FRE switch to set the air outlet to fresh air intake.
- The FRE switch indicator turns on.
- Listen to intake sound and confirm air inlets change.
Does it operate normally?
YES
>>INSPECTION END
NO
>>Check the intake door system installation condition. Repair or replace the malfunctioning parts.