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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
P26
P26
01: Comp. 1 side
02: Comp. 2 side
03: Comp. 3 side
ALT
IPM short protection trouble
Inverter
P29
P29
01: Comp. 1 side
02: Comp. 2 side
03: Comp. 3 side
ALT
Comp. position detective circuit system trouble
Inverter
P31
─
─
ALT
Other indoor unit trouble
(Group follower indoor unit trouble)
Indoor unit
*1 Inverter quantity information
(Super Modular Multi System i series (SMMS-i))
*1 Inverter quantity information
(Super Modular Multi System e and u series (SMMS-e, SMMS-u))
• 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.
No.
Comp. Inverter
Fan
Inverter
Trouble
No.
Comp. Inverter
Fan Inverter
Trouble
1
2
3
1
2
1
2
01
Comp. 1
01
Comp. 1
02
Comp. 2
02
Comp. 2
03
Comp. 1 + Comp. 2
03
Comp. 1 + Comp. 2
04
Comp. 3
08
Fan1
05
Comp. 1 + Comp. 3
09
Comp. 1 + Fan1
06
Comp. 2 + Comp. 3
0A
Comp. 2 + Fan1
07
Comp. 1 + Comp. 2 + Comp. 3
0B
Comp. 1 + Comp. 2 + Fan1
08
Fan
10
Fan2
09
Comp. 1 + Fan
11
Comp. 1 + Fan2
0A
Comp. 2 + Fan
12
Comp. 2 + Fan2
0B
Comp. 1 + Comp. 2 + Fan
13
Comp. 1 + Comp. 2 + Fan2
0C
Comp. 3 + Fan
18
Fan1 + Fan2
0D
Comp. 1 + Comp. 3 + Fan
19
Comp. 1 + Fan1 + Fan2
0E
Comp. 2 + Comp. 3 + Fan
1A
Comp. 2 + Fan1 + Fan2
0F
All
1B
All
: Inverter trouble
: Inverter trouble
Trouble detected by central control device
Check code
Wireless remote controller
Check code name
Judging device
Central control
device indication
Outdoor unit 7-segment display
Sensor block display of receiving unit
Auxiliary code
Operation
Timer
Ready
Flash
C05
─
─
─
Sending trouble in central control device
Communication Link
C06
─
─
─
Receiving trouble in central control device
Communication Link
C12
─
─
─
Batch alarm of general-purpose equipment control interface
General-purpose
equipment I/F
P30
(L20)
Differs according to trouble contents of unit with occurrence of alarm
Group control follower unit trouble
Communication Link
─
─
(L20 is displayed.)
• 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