Check code
Outdoor unit 7-segment display
Wired remote
controller display
01: Comp. 1 side
P26
P26
02: Comp. 2 side
03: Comp. 3 side
01: Comp. 1 side
P29
P29
02: Comp. 2 side
03: Comp. 3 side
P31
─
*1 Inverter quantity information
(Super Modular Multi System i series (SMMS-i))
Comp. Inverter
Fan
No.
Inverter
1
2
3
01
Comp. 1
02
Comp. 2
03
Comp. 1 + Comp. 2
04
Comp. 3
05
Comp. 1 + Comp. 3
06
Comp. 2 + Comp. 3
07
Comp. 1 + Comp. 2 + Comp. 3
08
Fan
09
Comp. 1 + Fan
0A
Comp. 2 + Fan
0B
Comp. 1 + Comp. 2 + Fan
0C
Comp. 3 + Fan
0D
Comp. 1 + Comp. 3 + Fan
0E
Comp. 2 + Comp. 3 + Fan
0F
All
: Inverter trouble
Trouble detected by central control device
Check code
Outdoor unit 7-segment display
Central control
device indication
C05
─
C06
─
C12
─
Differs according to trouble contents of unit with occurrence of alarm
P30
(L20)
─
47-EN
Wireless remote controller
Sensor block display of receiving unit
Auxiliary code
Operation
Timer
─
*1 Inverter quantity information
(Super Modular Multi System e and u series (SMMS-e, SMMS-u))
Trouble
No.
01
02
03
08
09
0A
0B
10
11
12
13
18
19
1A
1B
Wireless remote controller
Sensor block display of receiving unit
Auxiliary code
Operation
Timer
─
─
─
─
(L20 is displayed.)
Ready
Flash
ALT
IPM short protection trouble
ALT
Comp. position detective circuit system trouble
Other indoor unit trouble
ALT
(Group follower indoor unit trouble)
Comp. Inverter
Fan Inverter
Trouble
1
2
1
2
Comp. 1
Comp. 2
Comp. 1 + Comp. 2
Fan1
Comp. 1 + Fan1
Comp. 2 + Fan1
Comp. 1 + Comp. 2 + Fan1
Fan2
Comp. 1 + Fan2
Comp. 2 + Fan2
Comp. 1 + Comp. 2 + Fan2
Fan1 + Fan2
Comp. 1 + Fan1 + Fan2
Comp. 2 + Fan1 + Fan2
All
: Inverter trouble
Ready
Flash
─
Sending trouble in central control device
─
Receiving trouble in central control device
─
Batch alarm of general-purpose equipment control interface
Group control follower unit trouble
• Duplication addresses of indoor units in central control device
• With the combination of air conditioning system, the indoor unit may detect the check code of
L20
– 24 –
Check code name
• For details about check codes determined with an Interface
P.C. board or an Inverter P.C. board, refer to the Installation
Manual of the outdoor unit.
Check code name
Judging device
Inverter
Inverter
Indoor unit
Judging device
Communication Link
Communication Link
General-purpose
EN
equipment I/F
Communication Link
FR
ES
48-EN