Carrier TOSHIBA MMK-UP0071HP-UL Service Manual page 140

Check code
Wired
Outdoor unit 7-segment display
remote
controller
Auxiliary code
display
L28 L28
L29 L29 *1 Inverter quantity information
L30 L30 Detected indoor unit address
─ L31
P01 ─
P03 P03
1 : Comp. 1 side
P04 P04
2 : Comp. 2 side
1 : Comp. 1 side
P05 P05
2 : Comp. 2 side
1 : Comp. 1 side
2 : Comp. 2 side
P07 P07
---------------------------------------------
04: Heat sink
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 : 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 .C. Board or an Inverter P.C. Board, refer to
the Installation Manual of the outdoor unit.
Wireless remote controller
Sensor block display of
receiving unit
Operation Timer Ready Flash
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Check code name
SIM Too many outdoor units connected
SIM No. of inverter trouble
SIM Indoor unit outside interlock
Extended I/C trouble
ALT Indoor fan motor trouble
ALT Discharge temp. TD1 trouble
ALT High-pressure SW system operation
Phase missing detection/Power failure
ALT
detectionInverter DC voltage trouble (comp.)
Heat sink overheat trouble
ALT -----------------------------------------------------------
Heat sink dew condensation trouble
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
Comp. position detective circuit system
ALT
trouble
Other indoor unit trouble(Group follower
ALT
indoor unit trouble)
- 140 -
Judging
device
I/F
I/F
Indoor unit
I/F
Indoor unit
I/F
lnverter
I/F
lnverter, I/F
Indoor unit
I/F
Indoor unit
I/F
I/F
I/F
I/F
I/F
I/F
I/F
lnverter
lnverter
lnverter
Indoor unit