Toshiba RAV-SP1102UT-E Air Conditioner User Manual


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