118
Check code
Outdoor 7-segment display
Wired
remote
controller Check code
Auxiliary code
AI-NET
central control
remote controller
Detected
position
Check code
name
Status
Error detection condition
Check item (position)
F01
—
—
OF
Indoor unit Indoor TCJ
sensor error
Corresponding
unit only stops
• Resistance value of sensor is
infinite or zero. (Open/Short)
• Check connection/cabling of TCJ sensor connector.
• Check characteristics of TCJ sensor resistance value.
• Check indoor P.C. board error.
F02
—
—
Od
Indoor unit Indoor TC2
sensor error
Corresponding
unit only stops.
• Resistance value of sensor is
infinite or zero (Open/Short).
• Check connection/cabling of TC2 sensor connector.
• Check characteristics of TC2 sensor resistance value.
• Check indoor P.C. board error.
F03
—
—
93
Indoor unit Indoor TC1
sensor error
Corresponding
unit only stops.
• Resistance value of sensor is
infinite or zero (Open/Short).
• Check connection/cabling of TC1 sensor connector.
• Check characteristics of TC1 sensor resistance value.
• Check indoor P.C. board error.
F04
F04
—
19
I/F
TD1 sensor
error
All stop
• Resistance value of sensor is
infinite or zero (Open/Short)
• Check connection of TD1 sensor connector.
• Check characteristics of TD1 sensor resistance value.
• Check outdoor P.C. board (I/F) error.
F06
F06
—
18
I/F
TE1 sensor
error
All stop
• Resistance value of sensor is
infinite or zero (Open/Short).
• Check connection of TE1 sensor connector.
• Check characteristics of TE1 sensor resistance value.
• Check outdoor P.C. board (I/F) error.
F07
F07
—
18
I/F
TL sensor error
All stop
• Resistance value of sensor is
infinite or zero (Open/Short).
• Check connection of TL sensor connector.
• Check characteristics of TL sensor resistance value.
• Check outdoor P.C. board (I/F) error.
F08
F08
—
1b
I/F
TO sensor error
All stop
• Resistance value of sensor is
infinite or zero (Open/Short).
• Check connection of TO sensor connector.
• Check characteristics of TO sensor resistance value.
• Check outdoor P.C. board (I/F) error.
F10
—
—
OC
Indoor
Indoor TA
sensor error
Corresponding
unit only stops.
• Resistance value of sensor is
infinite or zero (Open/Short).
• Check connection/cabling of TA sensor connector.
• Check characteristics of TA sensor resistance value.
• Check indoor P.C. board error.
F12
F12
01: TS1
A2
I/F
TS1 sensor
error
All stop
• Resistance value of sensor is
infinite or zero (Open/Short).
• Check connection of TS1 sensor connector.
• Check characteristics of TS1 sensor resistance value.
• Check outdoor P.C. board (I/F) error.
F13
F13
01: Compressor 1
43
IPDU
TH sensor error
All stop
• Resistance value of sensor is
infinite or zero (Open/Short).
• IGBT built-in temp sensor error
→
Exchange IPDU P.C. board.
F15
F15
—
18
I/F
Outdoor temp
sensor
miscabling
(TE1, TL)
All stop
During operation of compressor
in HEAT mode, the TE1
detection temp was higher than
that of TL by the specified value
continued for 3 minutes or more.
• Check installation of TE1 sensor and TL sensor.
• Check characteristics of TE1 and TL sensor resistance value.
• Check outdoor P.C. board (I/F) error.
F16
F16
—
43
I/F
Outdoor
pressure
sensor
miscabling
(Pd, Ps)
All stop
High-pressure Pd sensor and
low-pressure Ps sensor were
exchanged, or output voltages
of both sensors are zero.
• Check connection of high-pressure Pd sensor connector.
• Check connection of low-pressure Ps sensor connector.
• Check pressure sensors Pd and Ps error.
• Check outdoor P.C. board (I/F) error.
• Check compression error of compressor.