87
Check code display list (Outdoor unit)
(S-MMS standard & accumulating outdoor interface detect: Representative example)
(
∗
)
¡
: 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
E06
No. of indoor units
with normal receiving
E07
—
E08
Duplicated indoor unit No.
01: Communication between
E12
indoor and outdoor
02: Communication between
outdoor units
E15
—
E16
00: Capacity over
01 ~ : No. of connected units
E19
00: No center
02: 2 or more header units
01: Connection of
E20
other system outdoor
02: Connection of
other system indoor
E23
—
E25
—
E26
No. of outdoor units
with normal receiving
E28
Detected outdoor unit No.
01: A3-IPDU1 error
02: A3-IPDU2 error
03: A3-IPDU1/2 error
E31
04: Fan IPDU error
05: A3-IPDU1 + Fan IPDU error
06: A3-IPDU2 + Fan IPDU error
07: All IPDU error
F04
—
F05
—
F06
—
F07
—
F08
—
F12
—
F15
—
F16
—
F23
—
F24
—
F31
—
TCC-LINK central
& remote controller
E06
(E04)
(E08)
E12
E15
E16
E19
E20
E23
E25
E26
E28
E31
F04
F05
F06
F07
F08
F12
F15
F16
F23
F24
F31
AI-NET central
(Network adapter use)
04
(97, 99)
(96)
42
42
89
96
42
15
15
15
d2
CF
19
A1
18
18
1b
A2
18
43
43
43
1C
Sensor lamp display
Block display (
∗
)
Operation Timer Ready Flash
l
l
¥
l
l
¥
¥
l l
¥
l l
l
l
¥
l
l
¥
l
l
¥
l
l
¥
l
l
¥
l
l
¥
l
l
¥
l
l
¥
l
l
¥
¥
¥
¡
A
¥
¥
¡
A
¥
¥
¡
A
¥
¥
¡
A
¥
¥
¡
A
¥
¥
¡
A
¥
¥
¡
A
¥
¥
¡
A
¥
¥
¡
A
¥
¥
¡
A
¥
¥
¡
S
Main defective position
Decrease of No. of indoor units
Indoor/Outdoor communication circuit error
Duplicated indoor address
Automatic address start error
There is no indoor during automatic address
No. of connected indoor units/Capacity over
No. of header outdoor units error
Connection of other system during
automatic address
Communication (send) error between
outdoor units
Duplicated setting of follower outdoor
address
Decrease of connected outdoor units
Error of follower outdoor units
IPDU communication error
Outdoor discharge temp. sensor (TD1) error
Outdoor discharge temp. sensor (TD2) error
Outdoor heat exchanger temp. (TE1) error
Outdoor liquid temp. sensor (TL) error
Outdoor external temp. sensor (TO) error
Outdoor suction temp. sensor (TS1) error
Outdoor temp. sensor (TE, TL) miswiring
Outdoor pressure sensor (Pd, Ps) miswiring
Low pressure (Ps) sensor error
High pressure (Pd) sensor error
Outdoor EEPROM error
Description
When signal did not come from indoor unit
(Decrease of connected indoor units)
When signal could not send to indoor unit (
→
Status that there is no
communication to indoor unit from outdoor unit)
When there were multiple indoor units with same address
(Detected at indoor unit side also)
When automatic indoor address operation was performed during
setting of automatic address of other system
When automatic outdoor address operation was performed during
setting of automatic indoor address of other system
No receiving of signal from outdoor unit during automatic address
Total capacity of indoor units was over the total outdoor capacity
× 135%.
There is no header outdoor unit or there are multiple header outdoor
units in 1 line.
When indoor unit of other line was detected during setting of
automatic address
When sending operation to other outdoor unit was impossible
Duplicated outdoor address that was manually set
There was no communication from follower outdoor unit
(Decrease of No. of connected follower outdoor units)
When header outdoor unit detected error of the follower outdoor unit
(Follower outdoor unit: Details display)
No communication of each IPDU (P.C. board) in inverter box
Open/short of discharge temp. sensor (TD1) was detected.
Open/short of discharge temp. sensor (TD2) was detected.
Open/short of heat exchanger temp. sensor (TE1) was detected.
Open/short of outdoor liquid temp. sensor (TL) was detected.
Open/short of external temp. sensor (TO) was detected.
Open/short of outdoor suction temp. sensor (TS1) was detected.
Miswiring by temp. sensor (TE, TL) was detected.
Miswiring by outdoor pressure sensor (Pd, Ps) was detected.
Output voltage of low pressure (Ps) sensor detected 0.
When output voltage of high pressure (Pd) sensor was 0 or when
abnormal value was detected during stop of compressor
Outdoor EEPROM error
(Center unit stops with alarm and follower unit continues operation.)
Check code display