36-EN
Installation Manual
– 36 –
Inverter: Compressor / Fan inverter P.C. board
: Lighting,
: Flashing,
: Goes off
ALT: Flashing is alternately when there are two flashing LED.
SIM: Simultaneous flashing when there are two flashing LED.
Check method
On the remote controller (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
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
