Toshiba RAV-SM563UT-E Service Manual/Integration page 99

[C06 error] (Central controller)
Is U3, U4 communication line normal?
Are connections between connectors
CN51 of connection interface P.C. board
and connectors CN51 of indoor P.C. board
normal?
Is A, B communication line normal?
Is there no connection error of power line?
Is not power of source power supply turned on?
Did a power failure occur?
Is there no noise source, etc.?
Can central remote controller
control normally other indoor units?
Is handling of central remote controller reflected
on the operation status of indoor unit?
Can handy remote controller control
normally other indoor units?
Check connection interface P.C. board.
Defect → Replace
Tel: 01823 665660
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YES
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YES
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YES
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YES
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YES
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YES
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(Same as others)
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YES
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Correct communication line.
Correct connection of connector.
Check connections of A, B terminal blocks.
Correct communication line of remote controller.
Turn on the source power supply.
Check indoor P.C. board (MCC-1402).
Defect → Replace
– 99 –
Correct power cable.
Clear the check code.
Eliminate noise, etc.
Check central controller.
Defect → Replace
Fax: 01823 665807