58-EN
57-EN
– 29 –
Check method
On the wired remote controller, central control remote controller and the interface P.C. board of the outdoor unit (I/F), a check display LCD (Remote controller) or 7-segment display (on the outdoor interface P.C. board) to display the operation is
provided. Therefore the operation status can be known. Using this self-diagnosis function, a trouble or position with error of the air conditioner can be found as shown in the table.
Check code list
The following list shows each check code. Find the check contents from the list according to part to be checked.
y
In case of check from indoor remote controller: See "Wired remote controller display" in the list.
y
In case of check from outdoor unit: See “Outdoor unit 7-segment display” in the list.
: Lighting, : Flashing, : Goes off
ALT: Flashing is alternately when there are two
fl
ashing LED.
SIM: Simultaneous
fl
ashing when there are two
fl
ashing LED.
Inverter: Compressor / Fan Inverer P.C. board
Check code
Wireless remote controller
Check code name
Judging device
Wired remote
controller display
Outdoor unit 7-segment display
Sensor block display of receiving unit
Auxiliary code
Operation
Timer
Ready
Flash
E01
─
─
Communication trouble between indoor unit and remote controller
(Detected at remote controller side)
Remote controller
E02
─
─
Remote controller transmission trouble
Remote controller
E03
─
─
Communication trouble between indoor unit and remote controller
(Detected at indoor unit side)
Indoor unit
E04
─
─
Communication circuit trouble between indoor / outdoor unit
(Detected at indoor unit side)
Indoor unit
E06
E06
No. of indoor units in which sensor has been normally received
Decrease of No. of indoor units
I/F
─
E07
─
Communication circuit trouble between indoor / outdoor unit
(Detected at outdoor unit side)
I/F
E08
E08
Duplicated indoor unit addresses
Duplicated indoor unit addresses
Indoor unit • I/F
E09
─
─
Duplicated master remote controllers
Remote controller
E10
─
─
Communication trouble between indoor unit MCU
Indoor unit
E11
─
─
Communication trouble between Application control kit and indoor unit
Indoor unit
Application control kit
E12
E12
01: Indoor / Outdoor units communication
02: Outdoor / Outdoor units communication
Automatic address start trouble
I/F
E15
E15
─
No indoor unit during automatic addressing
I/F
E16
E16
00: Capacity over
01 ~: No. of connected units
Capacity over / No. of connected indoor units
I/F
E18
─
─
Communication trouble between header and follower units Indoor unit
Indoor unit
E19
E19
00: Header is not detected
02: Two or more header units
Outdoor header units quantity trouble
I/F
E20
E20
01: Outdoor unit of other line connected
02: Indoor unit of other line connected
Other line connected during automatic address
I/F
E23
E23
─
Sending trouble in communication between outdoor units
Trouble in number of heat storage units (trouble with reception)
I/F
E25
E25
─
Duplicated follower outdoor addresses
I/F
E26
E26
No. of outdoor units which received signal normally
Decrease of No. of connected outdoor units
I/F
E28
E28
Detected outdoor unit number
Follower outdoor unit trouble
I/F
E31
E31
*1 Inverter quantity information
Inverter communication trouble
I/F
F01
─
─
ALT
Indoor unit TCJ sensor trouble
Indoor unit
F02
─
─
ALT
Indoor unit TC2 sensor trouble
Indoor unit
F03
─
─
ALT
Indoor unit TC1 sensor trouble
Indoor unit
F04
F04
─
ALT
TD1 sensor trouble
I/F
F05
F05
─
ALT
TD2 sensor trouble
I/F
