88
(
∗
)
¡
: Goes on,
¥
: Flashes,
l
: Goes off
A (Alternate)
: Flashing condition is alternate when there are two flashing LED.
S (Simultaneously) : Two LED flash simultaneously when there are two flashing LED.
Outdoor 7-segment
Auxiliary code
H04
—
H06
—
H07
—
01: TK1 sensor error
H08
02: TK2 sensor error
03: TK3 sensor error
04: TK4 sensor error
H14
—
01: TK1 oil circuit system error
H16
02: TK2 oil circuit system error
03: TK3 oil circuit system error
04: TK4 oil circuit system error
L04
—
L06
No. of priority indoor units
(Individual display: [L05/L06])
L08
—
L10
—
L18
—
L28
—
01: A3-IPDU1 error
02: A3-IPDU2 error
03: A3-IPDU1, 2 error
L29
04: Fan IPDU error
05: A3-IPDU1 + fan IPDU error
06: A3-IPDU2 + fan IPDU error
07: All IPDU error
L30
Detected indoor unit No.
P03
—
P05
01: Detection of open phase
02: Negative phase error
P07
01: Compressor 1 side
02: Compressor 2 side
P10
Detected indoor unit No.
P13
—
P15
01: TS condition
02: TD condition
P17
—
P19
Detected outdoor unit No.
P20
—
TCC-LINK central
& remote controller
H04
H06
H07
H08
H14
H16
L04
L05
L06
(L08)
L10
L18
L28
L29
(L30)
P03
P05
P07
(P10)
P13
P15
P17
P19
P20
AI-NET central
(Network adapter use)
44
20
d7
d4
44
d7
96
96
96
(99)
88
8A
46
CF
(b6)
1E
AF
1C
(Ob)
47
AE
bb
O8
22
Sensor lamp display
Block display (
∗
)
Operation Timer Ready Flash
l
¥
l
l
¥
l
l
¥
l
l
¥
l
l
¥
l
l
¥
l
¥
¡
¥
S
¥
l
¥
S
¥
l
¥
S
¥
l
¥
S
¥
¡
¥
S
¥
¡
¥
S
¥
¡
¥
S
¥
¡
¥
S
¥
¡
¥
S
¥
l
¥
A
¥
l
¥
A
¥
l
¥
A
l
¥ ¥
A
l
¥ ¥
A
¥
l
¥
A
¥
l
¥
A
¥
l
¥
A
¥
l
¥
A
Main defective position
Compressor1 case thermo operation
Low pressure protective operation
Oil face drop detection protection
Error of temp. sensor (TK1 to 4)
for oil face detection
Compressor2 case thermo operation
Oil face detection circuit system
error
Duplicated outdoor line address
Duplicated priority indoor units
(Displayed in the priority indoor)
Duplicated priority indoor units
(Displayed in except priority indoor)
Unset indoor group address
Unset outdoor capacity
Flow selector unit system error
No. of connected outdoor units over
No. of IPDU units’ error
External error input in indoor unit
(Interlock)
Outdoor discharge (TD1) temp. error
Detection of open phase/Negative
phase error
Heat sink overheat error
There is outdoor unit with detection
of overflow
Outdoor liquid back detection error
Gas leak detection
Outdoor discharge (TD2) temp. error
4-way valve inverse error
High pressure protective operation
Description
When case thermo of compressor 1 performed protective operation
Protective detection operation by low pressure (Ps) sensor
Protective detection operation by temp. sensor (TK1 to 4) for oil face detection
When open/short of temp. sensor (TK1 to 4) for oil face detection was detected
Case thermo of compressor2 performed protective operation.
After start of compressor operation, the temp. variation of temp. sensor
(TK1 to 4) for oil face detection was not detected.
Duplicated setting of line address against outdoor units in different refrigerant
lines
When there were multiple priority indoor units (against priority indoor unit)
When there were multiple priority indoor units (against not priority indoor unit)
There was indoor unit that indoor group address was not set
(Detected at indoor unit side also)
When capacity of outdoor unit was not set (Replace service P.C. board.)
COOL/HEAT cycle error due to mispiping was detected.
No. of connected outdoor units was over 4.
When No. of IPDU (P.C. board) was little in the inverter box
There was indoor unit which stopped abnormally due to external error input in
1 line. (ß Indoor unit detected.)
When high temp. error was detected by discharge temp. sensor (TD1)
Open phase/Negative phase error was detected when power was supplied.
When high temp. error was detected by outdoor IGBT incorporated temp.
sensor (TH)
There was indoor unit which stopped abnormally due to detection of overflow
in 1 line. (ß Indoor unit detected.)
When error was judged as liquid back operation from the refrigerant cycle status
The outdoor suction temp. sensor (TS1) detected high temperature
continuously and repeatedly over the standard value.
Discharge temp. sensor (TD2) detected high temp. error.
Error of refrigerant cycle error was detected during heating operation.
High pressure (Pd) sensor detected value over the standard value.
Check code display