Toshiba RAV-SM560UT-E 74, L20 error/98 error, L30 error/B6 error, b7 error Central controller

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

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[L20 error]/[98 error]

[L20 error]/[98 error]

Are cable connections to

NO

 

communication line X, Y normal?

 

 

YES

 

 

 

 

 

NO

Is central controller [98] displayed?

 

 

 

YES

 

 

 

 

 

 

Is indoor remote controller

 

[L20] displayed?

 

 

YES

 

 

 

 

 

 

Are not multiple

YES

same central control network

 

 

addresses connected?

 

 

NO

 

 

 

 

 

 

Check central controller (including network adapter). Defect [L30 error]/[B6 error] Replace.

[L30 error]/[B6 error]

Are outside devices of

NO

 

connector CN80 connected?

 

 

YES

 

 

 

 

 

 

NO

Do outside devices normally operate?

YES

Check operation cause.

[b7 error] (Central controller)

NO

Is group operation performed?

 

 

YES

 

 

 

 

 

 

NO

 

Is check code displayed on sub unit

 

 

 

 

 

of main or sub remote controller?

 

 

 

 

YES

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Check corresponding

 

 

 

indoor/outdoor units.

 

 

 

 

 

 

 

 

 

 

 

 

Correct cable connection

Check indoor P.C. board (MCC-1402 or MCC-1403). Defect [b7 error] (Central controller) Replace

Correct central control network address.

Check indoor P.C. board (MCC-1402 or MCC-1403). Defect – 74 – Replace

Check outside devices.

Defect Manual background Replace

Check indoor P.C. board (MCC-1402 or MCC-1403). Defect Manual background Replace

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Page 74
Image 74
Toshiba RAV-SM560UT-E, RAV-SM800AT-E, RAV-SM800UT-E 74, L20 error/98 error, L30 error/B6 error, b7 error Central controller