Error mode detected by remote controller or central controller (TCC-LINK)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Operation of diagnostic function

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Judgment and measures

 

 

 

Check code

Cause of operation

Status of

Condition

 

 

 

 

 

 

 

 

 

air conditioner

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Power supply error of remote controller, Indoor

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

EEPROM error

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1.

Check remote controller inter-unit wiring.

 

Not displayed at all

No communication with master indoor unit

 

 

2.

Check remote controller.

 

 

 

 

 

• Remote controller wiring is not correct.

 

 

3.

Check indoor power wiring.

 

(Operation on

Stop

 

 

 

remote controller

• Power of indoor unit is not turned on.

4.

Check indoor P.C. board.

 

 

 

 

is impossible.)

 

 

 

 

• Automatic address cannot be completed.

 

 

5.

Check indoor EEPROM.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(including socket insertion)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Automatic address repeating phenom-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

enon generates.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

No communication with master indoor unit

Stop

 

Receiving error from remote controller

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1.

Check remote controller inter-unit wiring.

 

 

 

 

 

 

E01

• Disconnection of inter-unit wire between

(Automatic reset)

Displayed when

 

 

 

 

 

 

2.

Check remote controller.

 

 

 

 

 

 

2

remote controller and master indoor unit

If center exists,

error is detected

 

 

 

 

 

 

3.

Check indoor power wiring.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(Detected by remote controller side)

operation continues.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4.

Check indoor P.C. board.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Stop

 

Sending error of remote controller

 

 

 

 

 

 

E02

Signal send error to indoor unit

(Automatic reset)

Displayed when

1. Check sending circuit inside of remote

 

 

 

 

 

 

 

 

 

 

 

 

 

(Detected by remote controller side)

If center exists,

error is detected

 

controller.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

operation continues.

 

 

Replace remote controller.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Stop

 

1.

In 2-remote controllers (including wireless),

 

 

 

 

 

 

E09

There are multiple main remote controllers.

Displayed when

 

there are multiple main units.

 

 

 

 

 

 

(Sub unit

 

 

 

 

 

 

 

(Detected by remote controller side)

error is detected

 

Check that there are 1 main remote

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

continues operation.)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

controller and other sub remote controllers.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

L20

Duplicated indoor central addresses on

Stop

Displayed when

1.

Check setting of central control system

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

communication of central control system

 

network address. (Network adapter SW01)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Central controller

(Detected by indoor/central controller side)

(Automatic reset)

error is detected

2. Check network adapter P.C. board.

 

 

 

 

 

 

L20

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1.

Check communication wire / miswiring

 

 

 

 

 

 

3

 

 

 

2.

Check communication (U3, U4 terminals)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Communication circuit error of central

Continues

Displayed when

3.

Check network adapter P.C. board.

 

Central controller

 

control system

4. Check central controller (such as central

 

 

 

 

 

(Send)

(By remote controller)

error is detected

 

 

 

 

 

(Detected by central controller side)

 

 

 

 

 

 

C05

 

 

 

control remote controller, etc.)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5.

Check terminal resistance. (TCC-LINK)

 

 

 

 

(Receive)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C06

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Indoor Gr sub unit error

Continuation/Stop

Displayed when

Check the check code of the corresponding

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(According

 

Central controller

(Detected by central controller side)

error is detected

unit from remote controller.

 

to each case)

 

 

 

 

 

 

P30

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2 The check code cannot be displayed by the wired remote controller. (Usual operation of air conditioner becomes unavailable.)

For the wireless models, an error is notified with indication lamp.

3 This trouble is related to communication of remote controller (A, B), central system (TCC-LINK U3, U4), and [E01], [E02], [E03], [E09] or [E18] is displayed or no check display on the remote controller according to the contents.

– 51 –

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Toshiba CONCEALED DUCK TYPE, CEILING TYPE service manual Power supply error of remote controller, Indoor

CONCEALED DUCK TYPE, CEILING TYPE specifications

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