SUPER DIGITAL

[C06 error] (TCC-LINK central controller)
Are U3 and U4 communication lines normal?
YES
NO
Correct communication line.
∗1
Is connection of connector normal?
NO
Correct connection of connector.
YES
∗1
TCC-LINK central:
CN51 of TCC-LINK adapter P.C. board (MCC-1440) and CN050 of indoor P.C. board
Are A and B communication lines normal?
YES
Is there no connection error of power supply cable?
NO
Is not the source power supply turned on?
YES
Did a power failure occur?
NO
NO
YES
NO
YES
Check connection of A and B terminal blocks.
Correct communication line of remote controller.
Correct power wiring.
Turn on the source power supply.
Is the network address changed
from the remote controller?
NO
Is there no noise source?
NO
YES
YES
Clear the check code.
Eliminate noise, etc.
Can the other indoor units
be normally controlled from the central controller?
Or is the operation status of indoor unit reflected?
Uncontrolled
(Same to others)
Check central controller.
Defect → Replace
YES
Can the indoor unit be normally controlled
from the remote controller?
YES
Uncontrolled
Check indoor P.C. board (MCC-1570).
Defect → Replace
Check power supply transformer on
TCC-LINK adapter P.C. board (MCC-1440).
Defect → Replace
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