Check code
Outdoor unit 7-segment display
Wired remote
control display
P17
P17
P18
P18
0#: 4-way valves
1#: 4-way valve1
P19
P19
2#: 4-way valve2
*Put in outdoor unit No. in [#] mark.
P20
P20
1 : Compressor 1 side
P22
P22
2 : Compressor 2 side
1 : Compressor P.C.board 1
P25
P25
2 : Compressor P.C.board 2
1 : Compressor 1 side
P26
P26
2 : Compressor 2 side
1 : Compressor 1 side
P29
P29
2 : Compressor 2 side
P31
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• 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
(SMMS-e, SMMS-u, SHRM-u)
Compressor
Fan
Inverter
Inverter
No.
1
2
1
2
01
Compressor 1
02
Compressor 2
03
Compressor 1 + Compressor 2
08
Fan1
09
Compressor 1 + Fan1
0A
Compressor 2 + Fan1
0B
Compressor 1 + Compressor 2 + Fan1
10
Fan2
11
Compressor 1 + Fan2
12
Compressor 2 + Fan2
13
Compressor 1 + Compressor 2 + Fan2
18
Fan1 + Fan2
19
Compressor 1 + Fan1 + Fan2
1A
Compressor 2 + Fan1 + Fan2
1B
All
: Inverter trouble
39-EN
Sensor block display of receiving unit
Auxiliary code
Operation
—
—
—
—
Trouble
Wireless remote control
Timer
Ready
Flash
ALT
Discharge temp. TD2 trouble
ALT
Discharge temp. TD3 trouble
ALT
4-way valve inverse trouble
ALT
High-pressure protective operation
ALT
Outdoor unit fan inverter trouble
ALT
(SMMS-u series or later) Compressor inverter P.C. board trouble
IPM short protection trouble
ALT
(SMMS-u series or later) Compressor start up trouble
ALT
Compressor position detective circuit system trouble
Other indoor unit trouble
ALT
(Group follower indoor unit trouble)
– 20 –
Check code name
Judging device
Compressor inverter
Compressor inverter
Compressor inverter
I/F
I/F
I/F
I/F
Fan inverter
Indoor unit
EN
40-EN