–37–
L02 — — Model mismatch of outdoor unit Hot water module
L03 — — Indoor unit centre unit duplicated Indoor unit
L04 L04 — Outdoor unit line address duplicated I/F
L05 — — Duplicated indoor units with priority (Displayed in indoor unit with priority) I/F
L06 L06 No. of indoor units with priority
Duplicated indoor units with priority
(Displayed in unit other than indoor unit with priority)
I/F
L07 — — Group line in individual indoor unit Indoor unit
L08 L08 — Indoor unit group/Address unset Indoor unit, I/F
L09 — — Indoor unit capacity unset Indoor unit
L10 L10 — Outdoor unit capacity unset I/F
L17 L17 — Outdoor unit type mismatch trouble I/F
L20 — — Duplicated central control addresses Indoor unit
L23 — 02: Hot water module setting trouble Setting trouble I/F
L28 L28 — Too many outdoor units connected I/F
L29 L29 *1 Inverter quantity information No. of inverter trouble I/F
L30 L30 Detected indoor unit address Indoor unit outside interlock Indoor unit
— L31 — Extended I/C trouble I/F
P01 — — Indoor fan motor trouble Indoor unit
P03 P03 — Discharge temp. TD1 trouble I/F
P04 P04
01: Comp. 1 side 1 : Comp. 1 side
02: Comp. 2 side 2 : Comp. 2 side
03: Comp. 3 side
High-pressure SW system operation
Compressor inverter,
I/F
P05 P05
00:
01: Comp. 1 side 1 : Comp. 1 side
02: Comp. 2 side 2 : Comp. 2 side
03: Comp. 3 side
Phase missing detection/Power failure detection
Inverter DC voltage trouble (comp.)
Inverter DC voltage trouble (comp.)
Inverter DC voltage trouble (comp.)
I/F
P07 P07
01: Comp. 1 side 1 : Comp. 1 side
02: Comp. 2 side 2 : Comp. 2 side
03: Comp. 3 side
04: Heat sink
Heat sink overheat trouble
Heat sink dew condensation trouble
Compressor inverter,
I/F
P11 P11 — Outdoor heat exchanger freezing trouble I/F
P13 P13 — Outdoor liquid back detection trouble I/F
P15 P15
01: TS condition
02: TD condition
Gas leak detection I/F
P17 P17 — Discharge temp. TD2 trouble I/F
P18 P18 — Discharge temp. TD3 trouble I/F
P19 P19 Detected outdoor unit number 4-way valve inverse trouble I/F
P20 P20 — High-pressure protective operation I/F
P22 P22
#0: Element short circuit <SMMS-u>
#E: Vdc voltage trouble 1 : Fan 1 side
#1: Position detection circuit trouble 2 : Fan 2 side
#2: Input current sensor trouble
#3: Motor lock trouble
#C: Sensor temperature trouble (No TH sensor)
#4: Motor current trouble
#D: Sensor short circuit/release trouble (No TH sensor)
#5: Synchronization/step-out trouble
*Put in Fan Inverter No. in [#] mark.
Outdoor unit fan inverter trouble Fan inverter
Check code
Check code name Judging device
Wired remote
controller display
Outdoor unit 7-segment display
Auxiliary code
73-EN 74-EN