Fujitsu ACY7UI-MI - Self-Diagnosis; Error Code Display

En-18
SELF-DIAGNOSIS
When “Er” in temperature indicator is displayed, inspection of the air conditioning system is necessary. Please consult
authorized service personnel.
Unit number (usually “00”)
Error code
ex. Self-diagnosis check
9374379705_OM.indb Sec1:189374379705_OM.indb Sec1:18 6/26/2013 4:44:11 PM6/26/2013 4:44:11 PM