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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 below.
Check code list
The following list shows each check code. Find the check contents from the list according to part to be checked.
Check code
Outdoor unit 7-segment display
Wired remote
controller display
E01
E02
E03
E04
E06
E06
No. of indoor units in which sensor has been normally received
E07
E08
E08
Duplicated indoor unit addresses
E09
E10
E11
01 ndoor/Outdoor units communication
E12
E12
02
utdoor/Outdoor units communication
E15
E15
00 Capacity over
E16
E16
01
No. of connected units
E18
00 Header is not detected
E19
E19
02 Two or more header units
01
utdoor unit of other line connected
E20
E20
02 ndoor unit of other line connected
E23
E23
E25
E25
E26
E26
No. of outdoor units which received signal normally
E28
E28
Detected outdoor unit number
E31
E31
*1 Inverter quantity information
F01
F02
F03
F04
F04
F05
F05
49-EN
1116950170_01_EN.indd 25
1116950170_01_EN.indd 25
Wireless remote controller
Sensor block display of receiving unit
Auxiliary code
Operation
– 25 –
.
Timer
Ready
Flash
Communication trouble between indoor unit and remote controller
(Detected at remote controller side)
Remote controller transmission trouble
Communication trouble between indoor unit and remote controller
(Detected at indoor unit side)
Communication circuit trouble between indoor / outdoor unit
(Detected at indoor unit side)
Decrease of No. of indoor units
Communication circuit trouble between indoor / outdoor unit
(Detected at outdoor unit side)
Duplicated indoor unit addresses
Duplicated master remote controllers
Communication trouble between indoor unit MCU
Communication trouble between Application control kit and indoor unit
Automatic address start trouble
No indoor unit during automatic addressing
Capacity over / No. of connected indoor units
Communication trouble between header and follower units Indoor unit
Outdoor header units quantity trouble
Other line connected during automatic address
ending trouble in communication between outdoor units
Trouble in number of heat storage units (trouble with reception)
Duplicated follower outdoor addresses
Decrease of No. of connected outdoor units
Follower outdoor unit trouble
Inverter communication trouble
ALT
Indoor unit TCJ sensor trouble
ALT
Indoor unit TC2 sensor trouble
ALT
Indoor unit TC1 sensor trouble
ALT
TD1 sensor trouble
ALT
TD2 sensor trouble
ALT
Check code name
Judging device
Remote controller
Remote controller
Indoor unit
Indoor unit
Indoor unit I/F
Remote controller
Indoor unit
Indoor unit
Application control kit
Indoor unit
Indoor unit
Indoor unit
Indoor unit
ff
P.C. board
I/F
I/F
I/F
I/F
I/F
I/F
I/F
I/F
I/F
I/F
I/F
I/F
I/F
I/F
50-EN
10/21/20 12:31 PM
10/21/20 12:31 PM
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