user manual

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Correct wired remote controller wire connection.
Correct switch setting on MCC-1510 P.C. board.
Correct connector connection.
Check circuit wiring.
Check indoor unit power connection
(Power off and on).
Correct signal wire connection
between indoor unit and outdoor unit.
Check MCC-1510 P.C. board.
→ Replace it if necessary.
Correct one header/one follower.
(Wired remote controller address connector)
Check wired remote controller board.
→ Replace it if necessary.
Are A/B wires normal?
Group control operation?
Are all indoor units powered ON?
Twin or triple control?
Improper harness connection
from indoor unit terminal block?
Improper signal connection
between indoor unit and outdoor unit?
Are 2 headers set by
double wired remote controller?
Is indoor unit switch SW02 setting correct?
Bit 1: OFF
Bit 2: OFF
YES
YES
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
NO
NO
YES
NO
[E09 error]
[E18 error]
FILE NO. SVM-12004