Toshiba RAV-SM2242DT-E Service Manual page 35

7-1-1. Check Code List (Indoor)
(Indoor unit detected)
Check code indication
Representative defective position
TCC-LINK central &
Remote controller
E03 Regular communication error between indoor and remote controller
E04 Indoor/Outdoor serial error
E08 Duplicated indoor addresses
E10 Communication error between indoor MCU
E18 Regular communication error between indoor master and follower units
F01 Indoor unit, Heat exchanger (TCJ) error
F02 Indoor unit, Heat exchanger (TC) error
F10 Indoor unit, Room temp. sensor (TA) error
F29 Indoor unit, other indoor P.C. board error
L03 Duplicated setting of indoor group master unit
L07 There is group cable in individual indoor unit.
L08 Unset indoor group address
L09 Unset indoor capacity
L20 Duplicated central control system address
L30 Outside error input to indoor unit (Interlock)
P01 Indoor unit, AC fan error
P10 Indoor unit, overflow detection
P19 4-way valve system error
P31 Other indoor unit error
(Remote controller detected)
Check code indication
Representative defective position
Remote controller
E01 No master remote controller, Remote controller communication (Receive) error
E02 Remote controller communication (Send) error
E09 Duplicated master remote controller
(Central control devices detected)
Check code indication
Representative defective position
TCC-LINK central
C05 Central control system communication (send) error
C06 Central control system communication (receive) error
C12 General-purpose device control interface batched warning
P30 Group follower unit is defective.
NOTE: 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.
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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.
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.
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.
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.
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.)
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.)
Air conditioner operation
Automatic Operation
reset continuation
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Air conditioner operation
Automatic Operation
reset continuation
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Air conditioner operation
Automatic Operation
reset continuation
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