Toshiba MMU-UP YHP-E Series Installation Manual page 26

Check code
Outdoor unit 7-segment display
Wired remote
controller display
P10 P10 Detected indoor unit address
P11 P11
P12 ─
P13 P13
01: TS condition
P15 P15
02: TD condition
01: PMV5
P16 P16 02: PMV6
03: SV7
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 1 side
P26 P26
＊
2 : Compressor 2 side
＊
1 : Compressor 1 side
P29 P29
＊
2 : Compressor 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.
49-EN
Wireless remote controller
Sensor block display of receiving unit
Auxiliary code Operation Timer
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Ready Flash
ALT Indoor unit overflow trouble
ALT
Outdoor heat exchanger freezing trouble
ALT Indoor unit fan motor trouble
ALT
Outdoor liquid back detection trouble
ALT Gas leak detection
ALT
Injection circuit trouble
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 IPM short protection trouble
ALT Compressor position detective circuit system trouble
Other indoor unit trouble
ALT
(Group follower indoor unit trouble)
Check code name Judging device
Indoor unit
I/F
Indoor unit
I/F
I/F
I/F
I/F
I/F
I/F
I/F
Fan inverter
Compressor inverter
Compressor inverter
Indoor unit
50-EN