LG LBNG3061YL - Page 37

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Only for training and service purposes
LGE Internal Use Only
n The problem of missing the connector (INDOOR MAIN PCB ASSY)
Connectors
CN-POWER
CN-REMO
CN-TH
CN-U/D
Condition
OPEN
OPEN
OPEN/SHORT
OPEN
• Malfunctions outdoor unit.
• Stop compressor and outdoor fan motor.
• The LCD of wired remote controller shows 'CH05'.
• Communicaion error.
• Malfunctions remote controller.
• Don't operate the power display module.
• The operation LED blinks once.
• Enable to receive remote singnal.
• Malfunctions UP/DOWN step motor.
• Don't operate louver.
Problem (error mode)
CN-FAN OPEN
• Malfunctions indoor fan motor.