LG FMN0760NL - Page 92

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■ The problem of missing the connector (SUB PCB ASSY)
Connectors
CN-UVW
CN-IPM
CN-GATE 1, 2
Condition
OPEN
OPEN
OPEN
• Stop compressor.
• Malfunctions inverter circuit.
• Stop compressor and outdoor fan.
• Malfunctions inverter circuit.
• Stop compressor and outdoor fan.
Problem (error mode)
■ The problem of missing the connector (OUTDOOR MAIN PCB ASSY)
Connectors
CN-POWER
CN-AC
CN-DC
CN-IPM
CN-GND1, 2
CN-HEATER
CN-4WAY
CN-FAN 1, 2
CN-TH 1~6
CN-PWR
Condition
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN
OPEN/SHORT
OPEN
• Malfunctions outdoor unit.
• Stop compressor and outdoor fan.
• The operation LED02T blinks 5 times.
• Malfunctions outdoor unit.
• Stop compressor and outdoor fan.
• The operation LED02T blinks 10 times.
• Malfunctions inverter circuit.
• Stop compressor and outdoor fan.
• The operation LED02T blinks 9 times.
• Malfunctions EMI / EMS
• Malfunctions Sump Heater
• Malfunctions 4-WAY valve.
• Malfunctions fan.
• The LED02T blinks twice.
• The LED02T blinks 11 times.
• Malfunctions outdoor unit.
• Stop compressor and outdoor fan.
• The operation LED02T blinks 8 times.
Problem (error mode)