MULTI TYPE

Check code Check code name
Cause
[F03] / [93]
(AI-NET)
Indoor TC1 sensor error TC1 sensor Open/Short
Check code Check code name
Cause
[F01] / [0F]
(AI-NET)
Indoor TCJ sensor error TCJ sensor Open/Short
Is TC1
sensor connector
(CN100: Brown) on indoor
P.C. board normally
connected?
Yes
No
Correct connection of
connector.
Is TCJ
sensor connector
(CN102: Red) on indoor
P.C. board normally
connected?
Yes
No
Correct connection of
connector.
Are characteristics
of TC1 sensor resistance
value normal?
No
Replace TC1 sensor. Are characteristics
of TCJ sensor resistance
No
Replace TCJ sensor.
value normal?
Yes * See “Indoor unit temperature sensor characteristics” on “8-9. Sensor Characteristics”.
Yes * See “Indoor unit temperature sensor characteristics” on “8-9. Sensor Characteristics”.
Check indoor main P.C. board.
Defect ➝ Replace
Check indoor P.C. board.
Defect ➝ Replace
Check code Check code name
Cause
[F04] / [19]
(AI-NET)
TD1 sensor error TD1 sensor Open/Short
This error code means detection of Open/Short of TD1 sensor. Check disconnection of circuit for connection of
connector (TD1 sensor: CN502, White) and characteristics of sensor resistance value. (See “Outdoor unit temperature
sensor characteristics” on “8-9. Sensor Characteristics”.)
If sensor is normal, replace outdoor I/F P.C. board.
Check code Check code name
Cause
[F02] / [0d]
(AI-NET)
Is TC2
sensor connector
(CN101: Black) on indoor
P.C. board normally
connected?
Indoor TC2 sensor error TC2 sensor Open/Short
No
Correct connection of
connector.
Check code Check code name
Cause
[F05] / [A1]
(AI-NET)
TD2 sensor error TD2 sensor Open/Short
This error code means detection of Open/Short of TD2 sensor. Check disconnection of circuit for connection of
connector (TD2 sensor: CN503, Pink) and characteristics of sensor resistance value. (See “Outdoor unit temperature
sensor characteristics” on “8-9. Sensor Characteristics”.)
If sensor is normal, replace outdoor I/F P.C. board.
Yes
Are characteristics of
TC2 sensor resistance
value normal?
Yes
Check indoor P.C. board.
Defect ➝ Replace
No
Replace TC2 sensor.
* See “Indoor unit temperature sensor characteristics” on “8-9. Sensor Characteristics”.
Check code Check code name
Cause
[F06] / [18]
(AI-NET)
TE1 sensor error TE1 sensor Open/Short
This error code means detection of Open/Short of TE1 sensor. Check disconnection of circuit for connection of
connector (TE1 sensor: CN505, Green) and characteristics of sensor resistance value. (See “Outdoor unit temperature
sensor characteristics” on “8-9. Sensor Characteristics”.)
If sensor is normal, replace outdoor I/F P.C. board.
201