LG PC Central Controller Manual De Instalación página 44

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Installation of PC Central Controller Software
Error indication
number
252
• Defect check method
1) Confirm whether the air-conditioner addressing of the central controller and the actual system's
addressing is same or not.
2) Restart the central controller service (engine ) program.
3) Replace the CNU.
Error indication
number
253
• Defect check method
1) Confirm whether the air-conditioner addressing of the central controller and the actual system's
addressing is same or not.
2) Restart the central controller service (engine ) program.
3) Replace the CNU.
44 PC Central Controller
Error items
Central controller
Wrong Address Error
Error items
Indoor unit power off,
Indoor connection bit
is zero
Meaning
Central controller
Wrong Address Error
Meaning
Indoor unit power off,
Indoor connection bit
is zero
Cause
• NOISE occurrence
• CNU defect
• Timing non-synchronizing
• Air-conditioner defect
Cause
• NOISE occurrence
• CNU defect
• Timing non-synchronizing
• Air-conditioner defect
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Solución de problemas

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