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Idiomas disponibles
Check method
On the wired remote control, central control remote control and the interface P.C. board of the outdoor unit (I/F), a check display LCD (Remote control) 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 trouble of the air conditioner can be found as shown in the following table.
Check code list
The following list shows each check code. Find the check contents from the list according to part to be checked.
• In case of check from indoor remote control: See "Wired remote control display" in the list.
• In case of check from outdoor unit: See "Outdoor unit 7-segment display" in the list.
• In case of check from indoor unit with a wireless remote control: See "Sensor block display of receiving unit" in the list.
Check code
Outdoor unit 7-segment display
Wired remote
control 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: Indoor/Outdoor units communication
E12
E12
02: Outdoor/Outdoor units communication
E15
E15
00: Capacity over
E16
E16
01 ~: No. of connected units
E17
—
E18
—
00: Header is not detected
E19
E19
02: Two or more header units
01: Outdoor unit of other line connected
E20
E20
02: Indoor 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
29-EN
Sensor block display of receiving unit
Auxiliary code
Operation
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
– 15 –
Wireless remote control
Timer
Ready
Flash
Communication trouble between indoor unit and remote control
(Detected at remote control side)
Remote control transmission trouble
Communication trouble between indoor unit and remote control
(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 controls
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 indoor unit and Flow Selector unit
Communication trouble between header and follower units
Outdoor header units quantity trouble
Other line connected during automatic address
Sending 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
: Lighting,
: Flashing,
ALT: Flashing is alternately when there are two flashing LED.
SIM: Simultaneous flashing when there are two flashing LED.
I/F: Interface P.C. board
Check code name
Judging device
Application control kit
: Goes off
Remote control
Remote control
Indoor unit
Indoor unit
I/F
I/F
Indoor unit • I/F
Remote control
Indoor unit
Indoor unit
I/F
I/F
I/F
Indoor unit
Indoor unit
I/F
I/F
I/F
I/F
I/F
I/F
I/F
Indoor unit
Indoor unit
Indoor unit
I/F
I/F
30-EN
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