Toshiba CONCEALED DUCK TYPE, CEILING TYPE service manual E04 error, E10 error, 53

Models: CONCEALED DUCK TYPE CEILING TYPE

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[E04 error]

[E04 error]

NO

Does outdoor operate?

YES

Is group address setup of

NO

 

Check CODE No. [14].

 

 

 

 

 

 

remote controller correct?

 

 

 

 

 

 

 

 

 

 

 

 

YES

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Are wiring in indoor unit and

NO

 

 

1, 2, 3 inter-unit cables correct?

 

 

 

YES

 

 

 

 

 

 

 

 

 

Correct wiring and

inter-unit cables.

Are wirings of terminal blocks (1, 2, 3) wired to CN67 normal?

YES

Does the voltage

NO

Correct wiring of connector

and terminal blocks.

between 2 and 3 of the indoor unit NO inter-unit terminal blocks

(1, 2, 3) vary?

Check indoor P.C. board

(MCC-1402).

Defect Replace

Check indoor P.C. board.

Defect Replace

As shown in the following figure,

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

S5277G

Black 3 [E10 error]

White 2 – 53 –

1

Terminal block

Check outdoor P.C. board.

Defect Replace

[E10 error]

YES

Is there no disorder of power supply?

NO

Check indoor control P.C. board

(MCC-1402).

Defect Replace

Check power supply voltage.

Correct lines.

Check and eliminate noise, etc.

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Toshiba CONCEALED DUCK TYPE, CEILING TYPE service manual E04 error, E10 error, 53