Check code
Outdoor 7-segment display
H01
H02
H03
H04
H06
H07
H08
H14
H16
L04
L06
L08
L10
L28
L29
L30
L31
P03
P04
P05
P07
P10
P13
P15
P17
P19
P20
P22
P26
P29
Auxiliary code
01: Compressor 1 side
02: Compressor 2 side
01: Compressor 1 side
02: Compressor 2 side
01: Compressor 1 side
02: Compressor 2 side
——
——
——
01: TK1 sensor error
02: TK2 sensor error
03: TK3 sensor error
04: TK4 sensor error
——
01: TK1 oil circuit system error
02: TK2 oil circuit system error
03: TK3 oil circuit system error
04: TK4 oil circuit system error
——
Number of indoor units with priority
——
——
——
IPDU quantity information
Detected indoor address
——
——
01: Compressor 1 side
02: Compressor 2 side
01: Phase missing detection
02: Phase order error
01: Compressor 1 side
02: Compressor 2 side
Detected indoor address
——
01: TS condition
02: TD condition
——
Detected outdoor unit number
——
∗
0
: IGBT short
∗
1
: Fan motor position detective circuit error
∗
3
: Fan motor trouble
∗
C
: TH sensor temp. error (Heat sink overheat)
∗
D
: TH sensor error
∗
E
: Vdc output error
01: Compressor 1 side
02: Compressor 2 side
01: Compressor 1 side
02: Compressor 2 side
Compressor breakdown
Magnet switch error
Overcurrent relay operation
Compressor trouble (Lock)
Current detective circuit system error
Compressor 1 case thermo operation
Low-pressure protective operation
Oil level down detection protection
Temp sensor error for oil level detection
Compressor 2 case thermo operation
Magnet switch error
Overcurrent relay operation
Oil level detective circuit system error
Outdoor system address duplicated
Duplication of indoor units with priority
Indoor group/Address unset
Outdoor capacity unset
Outdoor connected quantity over
IPDU quantity error
External interlock of indoor unit
Extended I/C error
Discharge temp TD1 error
High-pressure SW system operation
Phase missing detection / Phase order error
Heat sink overheat error
Indoor overflow error
Outdoor liquid back detection error
Gas leak detection
Discharge temp. TD2 error
4-way valve inverse error
High-pressure protective operation
Outdoor fan IPDU error
G-TR short protection error
Compressor position detective circuit system error
24
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