Do outside devices normally work?
Check cause of operation.
Are outside devices of
connector CN80 connected?
Check indoor P.C. board (MCC-1510).
Defect
→
Replace
Check outside devices.
Defect
→
Replace
YES
YES
NO
NO
Is connection of TA sensor connector
(CN104 on indoor P.C. board) correct?
Are characteristics of
TA sensor resistance value normal?
Check indoor P.C. board (MCC-1510).
Defect
→
Replace
∗
Refer to Characteristics-1.
Replace TA sensor.
Correct connection of connector.
YES
YES
NO
NO
[L30 error]
[F10 error]
FILE NO. SVM-
12042
–
55
–