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Check code
Outdoor unit 7-segment display
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
Outdoor unit 7-segment display
Central control
device indication
C05
–
C06
–
C12
–
P30
(L20)
–
S01
–
59-EN
Auxiliary code
Operation
–
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
Auxiliary code
Operation
–
–
–
Differs according to trouble contents of unit with occurrence of alarm
–
–
Wireless remote controller
Sensor block display of receiving unit
Timer
Ready
Flash
ALT
Outdoor unit fan inverter trouble
[
ALT
IPM short protection trouble
[
ALT
Comp. position detective circuit system trouble
[
Other indoor unit trouble
ALT
[
(Group follower indoor unit trouble)
Wireless remote controller
Sensor block display of receiving unit
Timer
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
(L20 is displayed.)
•
With the combination of air conditioning system, the indoor unit may detect
the check code of L20
–
Receiving trouble in central control device
– 30 –
Check code name
Judging device
Indoor unit
Check code name
Judging device
Central control device
Central control device
General-purpose
equipment I/F
Central control device
Central control device
Inverter
Inverter
Inverter
EN
EN
ID
60-EN
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