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57-EN 58-EN
Check code
Check code nameIndication on 7-segment display on the outdoor unit
Auxiliary code
F12
01: TS1 sensor
02: TS2 sensor
TS1 or TS2 sensor trouble
F13
01: Compressor 1
02: Compressor 2
TH (Heat sink) sensor trouble
F15 — Outdoor temp. sensor miswiring (TE1, TL1)
F16 — Outdoor pressure sensor miswiring (Pd, Ps)
F23 — Ps sensor trouble
F24 — Pd sensor trouble
F31 — Outdoor EEPROM trouble
H01
01: Compressor 1
02: Compressor 2
Compressor breaking down
H02
01: Compressor 1
02: Compressor 2
Compressor trouble (Locked)
H03
01: Compressor 1
02: Compressor 2
Current detection circuit trouble
H05 — TD1 sensor miswiring
H06 — Low pressure protective operation
H07 Detected outdoor unit No.
Oil level down detection
(Indicated only on the header outdoor unit)
H08
01: TK1 sensor trouble
02: TK2 sensor trouble
04: TK4 sensor trouble
05: TK5 sensor trouble
Temperature sensor trouble for oil level
H15 — TD2 sensor miswiring
H16
01: TK1 oil circuit trouble
02: TK2 oil circuit trouble
04: TK4 oil circuit trouble
05: TK5 oil circuit trouble
Oil level detector circuit trouble
J10 Detected indoor unit address Flow selector units overflow trouble
L02 — Outdoor units model disagreement trouble
L04 — Outdoor system address duplication
L06 Number of prior indoor units Duplication of indoor units with priority
L08 — Indoor unit group/address unset
L10 — Outdoor unit capacity unset.
L12 01: Flow selector unit(s) installation trouble Flow selector unit(s) system trouble
L17 — Inconsistent models of outdoor units
L18 Detected indoor unit address Flow selector unit trouble
L23 01: Clean Converter setting trouble Setting trouble
L24
01: Duplication of flow selector unit address
02: Indoor unit(s) operation mode priority setting
Flow selector unit(s) setting trouble
L28 — Outdoor connected quantity over
L29 IPDU number information
(*1)
IPDU quantity trouble
L30 Detected indoor unit address External interlock of indoor unit
L31 — Compressor IPDU troubles
11 Troubleshooting
In addition to the CODE No. on the remote control of an indoor unit, you can diagnose failure type of an outdoor
unit by checking the 7-segment display on the interface P.C. board.
Use the function for various checks.
Set every DIP switch to OFF after checking.
7-Segment display and check code
Rotary switch setting value
Indication LED
D600
AB
D601 D602 D603 D604
SW01 SW02 SW03
1 1 1 Outdoor unit check code
A
Outdoor unit number
(U
1 to U3)
B Check code display*
* If a check code has an auxiliary code, the display indicates the check code for three seconds and the auxiliary
code for one second alternately.
Check code (indicated on the 7-segment display on the outdoor unit)
Indicated when SW01 = [1], SW02 = [1], and SW03 = [1].
Check code
Check code nameIndication on 7-segment display on the outdoor unit
Auxiliary code
E06 Number of indoor units which received normally Decrease of number of indoor units
E07 — Indoor/outdoor communication circuit trouble
E08 Duplicated indoor addresses Duplication of indoor addresses.
E12
01: Communication between indoor and outdoor units
02: Communication between outdoor units
Automatic addressing start trouble
E15 — No indoor unit during automatic addressing
E16
00: Capacity over
01~: Number of connected units
Capacity over / number of connected indoor units
E19
00: Header is nothing
02: 2 or more header units
Number of header outdoor unit trouble
E20
01: Other line outdoor connected
02: Other line indoor connected
Other lines connected during automatic addressing
E23 —
Communication transmission trouble between
outdoor units
E25 — Duplicated follower outdoor address set up
E26 Number of outdoor units which received normally Decrease of connected outdoor units
E28 Detected outdoor unit No. Follower outdoor unit trouble
E31 IPDU quantity information
(*1)
IPDU communication trouble
E31 80 Communication trouble between MCU and sub MCU
F04 — TD1 sensor trouble
F05 — TD2 sensor trouble
F06
01: TE1 sensor
02: TE2 sensor
TE1 sensor trouble
TE2 sensor trouble
F07 01: TL1 sensor TL1 sensor trouble
F08 — TO sensor trouble
1122001201_EN FR.indd 291122001201_EN FR.indd 29 9/2/16 1:30 PM9/2/16 1:30 PM
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