Toshiba RAV-SM800BT-E, RAV-SM800AT-E, RAV-SM800UT-E 119, Error mode detected by indoor unit

Models: RAV-SM800BT-E RAV-SM560BT-E RAV-SM560AT-E RAV-SM560UT-E RAV-SM800UT-E RAV-SM800AT-E

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Error mode detected by indoor unit (1)

 

 

Operation of diagnostic function

 

 

 

 

 

 

 

 

 

 

 

Judgment and measures

Block

Check

Cause of operation

Status of air

Condition

 

display

code

conditioner

 

 

 

 

 

 

 

 

 

 

[MODE] lamp

 

Error in indoor fan system

All stop

Displayed when

1. Check indoor fan motor connector

5Hz flash

 

Revolutions frequency error of

 

error is detected

circuit (CN210).

 

 

 

 

 

 

 

fan

 

 

2. Check indoor fan.

 

 

 

 

 

3. Check indoor P.C. board (Main P.C.

 

 

 

 

 

board).

 

 

 

 

 

 

 

 

Error in indoor unit or other

Operation

Displayed when

1. Check indoor P.C. board

 

 

positions

continues

error is detected

(EEPROM and peripheral circuits)

 

 

1. EEPROM access error

 

 

(Main P.C. board).

 

 

 

 

 

 

 

 

 

 

 

 

 

Outside error input

Operation

Displayed when

1. Check outside devices.

 

 

Detected by input voltage level

continues

error is detected

2. Check indoor P.C. board (Main P.C.

 

 

from outside devices

 

 

board).

 

 

 

 

 

 

 

 

Outside interlock input

All stop

Displayed when

 

 

 

Detected by input voltage level

 

error is detected

 

 

 

 

 

 

 

 

from outside devices

 

 

 

 

 

 

 

 

 

Error mode detected by indoor unit (2)

 

Operation of diagnostic function

 

 

 

 

 

Judgment and measures

Check

Cause of operation

Status of air

Condition

 

code

conditioner

 

 

 

 

 

 

 

 

 

 

Serial return signal is not sent

ON/OFF

Displayed when

1. Indoor unit does not completely operate.

 

from No. 1 indoor unit to

 

error is detected

Check inter-unit cable.

 

remote controller.

 

 

 

 

 

Check indoor P.C. board. (Main/Sub P.C. boards)

 

Miscabling of inter-unit cable

 

 

 

 

 

Check remote controller.

 

between remote controller

 

 

 

and indoor unit

 

 

2. In normal operation

 

Miss-setting of indoor unit No.

 

 

Check setting of indoor unit No.

 

(Group address)

 

 

(SW01) (Sub P.C. board)

 

 

 

 

Check remote controller.

 

 

 

 

 

119

Page 119
Image 119
Toshiba RAV-SM800BT-E, RAV-SM800AT-E, RAV-SM800UT-E, RAV-SM560UT-E, RAV-SM560AT-E 119, Error mode detected by indoor unit