Check code
Wired remote
controller display
1
: Compressor 1 side
P22
P22
2
: Compressor 2 side
1
: Comp. 1 side
P26
P26
2
: Comp. 2 side
1
: Comp. 1 side
P29
P29
2
: Comp. 2 side
P31
–
•
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.
*1 Inverter quantity information
(Super Modular Multi System e and u series (SMMS-e, SMMS-u, SHRM-u))
Comp. Inverter
Fan Inverter
No.
1
2
1
2
01
\
02
\
03
\
\
08
\
09
\
\
0A
\
\
0B
\
\
\
10
\
11
\
\
12
\
\
13
\
\
\
18
\
\
19
\
\
\
1A
\
\
\
1B
\
\
\
\
: Inverter trouble
\
Trouble detected by central control device
Check code
Central control
device indication
C05
–
C06
–
C12
–
P30
(L20)
–
S01
–
57-EN
Outdoor unit 7-segment display
Auxiliary code
–
Trouble
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
Outdoor unit 7-segment display
Auxiliary code
–
–
–
Differs according to trouble contents of unit with occurrence of alarm
–
–
– 29 –
Wireless remote controller
Sensor block display of receiving unit
Operation
Timer
Ready
Flash
ALT
[
ALT
[
ALT
[
ALT
[
Wireless remote controller
Sensor block display of receiving unit
Operation
Timer
Ready
Flash
–
–
–
(L20 is displayed.)
–
Check code name
Outdoor unit fan inverter trouble
IPM short protection trouble
Comp. position detective circuit system trouble
Other indoor unit trouble
(Group follower indoor unit trouble)
Check code name
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
Receiving trouble in central control device
Judging device
Inverter
Inverter
Inverter
Indoor unit
Judging device
Central control device
Central control device
General-purpose
equipment I/F
Central control device
Central control device
58-EN