80
Check code
Wired
remote
controller
L05
L06
L07
L08
L09
L10
L20
L28
L29
L30
—
Outdoor 7-segment display
Check code
Auxiliary code
—
—
L06
No. of indoor units with priority
—
—
L08
—
—
—
L10
—
—
—
L28
—
L29
L30
Detected indoor address
L31
—
Detected
position
I/F
I/F
Indoor
Indoor
Indoor
I/F
TCC-Link
Indoor
I/F
I/F
Indoor
I/F
Check code name
Duplicated indoor units with priority
(Displayed on indoor unit with priority)
Duplicated indoor units with priority
(Displayed on the unit other than
indoor unit with priority)
Group line in individual indoor unit.
Indoor group / address unset
Indoor capacity unset
Outdoor capacity unset
Duplicated central control addresses
Quantity over of connected outdoor
units
IPDU quantity error
Interlock in indoor unit from outside
Extended IC (Integrated Circuit) error
Status
All stop
All stop
Corresponding
unit only stops.
Corresponding
unit only stops.
Corresponding
unit only stops.
All stop
All stop
All stop
All stop
Corresponding
unit only stops.
Operation
continues.
Error detection condition
Indoor units with priority were
duplicated.
Indoor units with priority were
duplicated.
At least one indoor unit
connected to a group existed in
the individual indoor units.
Address was not yet set up.
Indoor unit capacity was unset.
On the I/F P.C. board for
service, jumper line was not cut
according to the model.
Duplicated central control
addresses
There were more than four
outdoor units.
No. of IPDU units detected
when power was turned on
were less.
• Outside error input terminal
Detected signal to (CN80) for
more 1 minute
P.C. board (I/F) parts error
Check item (position)
• Check display of indoor unit with priority.
• Check display of indoor unit with priority and outdoor
unit.
• Check indoor address.
• Check indoor address.
Note)
After installation, this code is displayed when the power
is firstly turned on.
Set up indoor capacity. (DN=11)
Check model setup on outdoor I/F P.C. board A’ssy for
service.
• Check central control address.
• Check network adaptor P.C. board.
(In case of TCC-Link)
• Check No. of connected outdoor units.
(Max. 4 units per 1 system)
• Check communication line between outdoor units.
• Check outdoor P.C. board (I/F) error.
• Check model setup for outdoor I/F service P.C. board.
• Check connection of UART communication connector.
• Check Comp. IPDU, fan IPDU, and I/F P.C. board error.
Note)
UART: Universal Asynchronous Receiver Transmitter
n
Outside device is connected to connector (CN80):
1) Check outside device error.
2) Check indoor P.C. board error.
n
Outside device is not connected to connector (CN80):
1) Check indoor P.C. board error.
Check indoor (I/F) P.C. board.
A-3-IPDU FAN
A-3-IPDU FAN
1
2
3 IPDU
1
2
3 IPDU
01
¡
0A
¡
¡
02
¡
0B
¡ ¡
¡
03
¡ ¡
0C
¡
¡
04
¡
0D
¡
¡
¡
05
¡
¡
0E
¡ ¡
¡
06
¡ ¡
0F
¡ ¡ ¡
¡
07
¡ ¡ ¡
08
¡
09
¡
¡
¡
mark: Error position.
