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Check code
Main
Outdoor 7-segment display
remote
Check
Sub-code
controller
code
F05
F05
—
01: TE1 sensor
trouble
02: TE2 sensor
trouble
F06
F06
03: TE3 sensor
trouble
01: TL1 sensor
trouble
02: TL2 sensor
F07
F07
trouble
03: TL3 sensor
trouble
F08
F08
—
01: TG1 sensor
trouble
02: TG2 sensor
F09
F09
trouble
03: TG3 sensor
trouble
F10
—
—
F11
—
—
01: TS1 sensor
trouble
03: TS3 sensor
F12
F12
trouble
1∗: Compressor
1 side
F13
F13
2∗: Compressor
2 side
F15
F15
—
Location
Description
System status
of
detection
I/F
TD2 sensor
All stop
trouble
I/F
TE1/TE2/TE3
All stop
sensor trouble
I/F
TL1/TL2/TL3
All stop
sensor trouble
I/F
TO sensor
All stop
trouble
I/F
TG1/TG2/TG3
All stop
sensor trouble
Indoor unit
Indoor TA
Stop of
sensor trouble
corresponding
unit
Indoor unit
Indoor TF
Stop of
sensor trouble
corresponding
unit
I/F
TS1/TS3
All stop
sensor trouble
Compressor
TH sensor
All stop
P.C. board
trouble
I/F
Outdoor
All stop
temperature
sensor wiring
trouble (TE1,
TL1)
- 75 -
Check code detection
Check items (locations)
condition(s)
Sensor resistance is infinity
• Check connection of TD2
or zero (open/short circuit).
sensor connector.
• Check resistance
characteristics of TD2
sensor.
• Check for failure in outdoor
P.C. board (I/F).
Sensor resistance is infinity
• Check connection of TE1/
or zero (open/short circuit).
TE2/TE3 sensor
connectors.
• Check resistance
characteristics of TE1/TE2/
TE3 sensors.
• Check for failure in outdoor
P.C. board (I/F).
Sensor resistance is infinity
• Check connection of TL1/
or zero (open/short circuit).
TL2/TL3 sensor connector.
• Check resistance
characteristics of TL1/TL2/
TL3 sensor.
• Check for failure in outdoor
P.C. board (I/F).
Sensor resistance is infinity
• Check connection of TO
or zero (open/short circuit).
sensor connector.
• Check resistance
characteristics of TO
sensor.
• Check for failure in outdoor
P.C. board (I/F).
Sensor resistance is infinity
• Check connection of TG1/
or zero (open/short circuit).
TG2/TG3 sensor connectors.
• Check resistance
characteristics of TG1/TG2
/TG3 sensors.
• Check for failure in outdoor
P.C. board (I/F).
Sensor resistance is infinity
• Check connection of TA
or zero (open/short circuit).
sensor connector and
wiring.
• Check resistance
characteristics of TA
sensor.
• Check for failure in indoor
P.C. board.
Sensor resistance is infinity
• Check connection of TF
or zero (open/short circuit).
sensor connector and
wiring.
• Check resistance
characteristics of TF
sensor.
• Check for failure in indoor
P.C. board.
Sensor resistance is infinity
• Check connection of TS1/
or zero (open/short circuit).
TS3 sensor connector
• Check resistance
characteristics of TS1/TS3
sensor.
• Check for failure in indoor
P.C. board.
Sensor resistance is infinity
• Failure in IPM built-in
or zero (open/short circuit).
temperature sensor
→ Replace Compressor
P.C. board.
During compressor
• Check installation of
operation in HEAT mode,
TE1 and TL1 sensors.
TL1 continuously provides
• Check resistance
temperature reading higher
characteristics of TE1 and
TL1 sensors.
than indicated by TL1 by at
least specified margin for 3
• Check for outdoor P.C.
minutes or more.
board (I/F) trouble
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Table of Contents
Troubleshooting
