Toshiba RAV-SM1406BT-E Manuel D’Utilisation

– 47 –

Is there no disorder of power supply?

Does outdoor operate?

Is group address setup of

remote controller correct?

Are wiring in indoor unit and

1, 2, 3 inter-unit cables correct?

Are wirings of terminal blocks

(1, 2, 3) wired to CN67 normal?

Check indoor P.C. board.

Defect 

→ Replace

Check indoor control P.C. board

(MCC-1631).

Defect 

→ Replace

Check power supply voltage.

Correct lines.

Check and eliminate noise, etc.

Check outdoor P.C. board.

Defect 

→ Replace

Correct wiring of connector

and terminal blocks.

Correct wiring and

inter-unit cables.

Check CODE No. [14].

YES

YES

YES

YES

YES

NO

NO

NO

NO

NO

NO

∗ As shown in the following figure, 

  carry out measurement within 20 seconds 
  after the power was turned on.

Black

S5277G

White

Terminal block

Check indoor P.C. board

(MCC-1631).

Defect 

→ Replace

Does the voltage

between 2 and 3 of the indoor unit

inter-unit terminal blocks 

(1, 2, 3) vary?

3

2

1