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10-2-8. Check Code List (Indoor)
(Indoor unit detected)
Check code indication
TCC-LINK central &
Wired remote controller
E03
E04
E08
E10
E18
F01
F02
F10
F29
L03
L07
L08
L09
L20
L30
P01
P10
P12
P19
P31
(Remote controller detected)
¡ : Go on, ¥ : Flash, l : Go off ALT (Alternate): Alternate flashing when there are two flashing LED SIM (Simultaneous): Simultaneous flashing when there are two flashing LED
Sensor lamp indication
Block indication
Operation Timer Ready Flash
¥ l l
l l ¥
¥ l l
¥ l l
¥ l l
¥ ¥ l ALT
¥ ¥ l ALT
¥ ¥ l ALT
¥ ¥ l SIM
¥ l ¥ SIM
¥ l ¥ SIM
¥ l ¥ SIM
¥ l ¥ SIM
¥ ¡ ¥ SIM
¥ ¡ ¥ SIM
l ¥ ¥ ALT
l ¥ ¥ ALT
l ¥ ¥ ALT
¥ l ¥ ALT
¥ l ¥ ALT
Representative defective position
Regular communication error between indoor and
remote controller
Indoor/Outdoor serial error
Duplicated indoor addresses ²
Communication error between indoor MCU
Regular communication error between
indoor master and follower units
Indoor unit, Heat exchanger (TCJ) error
Indoor unit, Heat exchanger (TC) error
Indoor unit, Room temp. sensor (TA) error
Indoor unit, other indoor P.C. board error
Duplicated setting of indoor group master unit ²
There is group cable in individual indoor unit. ²
Unset indoor group address ²
Unset indoor capacity
Duplicated central control system address
Outside error input to indoor unit (Interlock)
Indoor unit, AC fan error
Indoor unit, overflow detection
Indoor unit, DC fan error
4-way valve system error
Other indoor unit error
Explanation of error contents
No communication from remote controller and network adapter
(Also no communication from central control system)
There is error on serial communication between indoor and outdoor units
Same address as yours was detected.
MCU communication error between main motor and micro computer
Regular communication between indoor master and follower units is impossible,
Communication between twin master (main) and follower (sub) units is impossible.
Open/short was detected on heat exchanger (TCJ).
Open/short was detected on heat exchanger (TC).
Open/short was detected on room temp. sensor (TA).
EEPROM error (Other error may be detected. If no error, automatic address is repeated.
There are multiple master units in a group.
When even one group connection indoor unit exists in individual indoor unit.
Indoor group address is unset.
Capacity of indoor unit is unset.
Duplicated setting of central control system address
Abnormal stop by outside error (CN80) input
An error of indoor AC fan was detected. (Fan motor thermal relay worked.)
Float switch worked.
Indoor DC fan error (Over-current/Lock, etc.) was detected.
In heating operation, an error was detected by temp. down of indoor heat exchanger sensor.
Follower unit in group cannot operate by warning from [E03/L03/L07/L08] of master unit.
Air conditioner operation
Automatic
reset
Operation
continuation
¡ ×
¡ ×
¡ ×
¡ ×
¡ ×
¡ ×
¡ ×
¡ ×
× ×
× ×
× ×
× ×
× ×
¡ ×
× ×
× ×
× ×
× ×
¡ ×
¡ ×
² When this warning was detected before group construction/address check finish at power supply was turned on, the mode shifts automatically to AUTO address setup mode.
Check code indication
Wired remote controller
E01
E02
E09
Sensor lamp indication
Block indication
Operation Timer Ready Flash
¥ l l
¥ l l
¥ l l
Representative defective position
No master remote controller, Remote controller
communication (Receive) error
Remote controller communication (Send) error
Duplicated master remote controller
Explanation of error contents
Signal cannot be received from indoor unit. Master remote controller was not set.
(including 2 remote controllers)
Signal cannot be sent to indoor unit.
In 2-remote controller control, both were set as master. (Indoor master unit stops warning
and follower unit continues operation.)
Air conditioner operation
Automatic
reset
Operation
continuation
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— —
×
(Central control devices detected)
NOTE:
Check code indication
TCC-LINK central
C05
C06
C12
P30
Sensor lamp indication
Block indication
Operation Timer Ready Flash
Is not displayed.
(Common use of
remote controller, etc.)
—
By warning unit
(Above-mentioned)
Representative defective position
Central control system communication (send) error
Central control system communication (receive) error
General-purpose device control interface batched warning
Group follower unit is defective.
Explanation of error contents
Signal sending operation of central control system is impossible.
There are multiple same central devices. (AI-NET)
Signal receiving operation of central control system is impossible.
An error on device connected to general-purpose device control interface of exclusive to
TCC-LINK/AI-NET
Group follower unit is defective.
(For remote controller, above-mentioned [∗∗∗] details are displayed with unit No.
Even for the same contents of error such as communication error, the display of check code may differ according to detection device.
When remote controller or central controller detects an error, it is not necessarily related to operation of the air conditioner. In this list, the check codes that outdoor unit detects are not described.
Air conditioner operation
Automatic
reset
Operation
continuation
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— —
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