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The problem of missing the connector (INDOOR MAIN PCB ASSY)
Connectors
CN-AC/DC
CN-FAN
CN-DISP1
CN-DISP2
CN-TH
CN-U/D
The problem of missing the connector (OUTDOOR MAIN PCB ASSY)
Connectors
CN-4 WAY
CN-FAN
CN-TH
CN-COMP
CN-UVW
Condition
OPEN
OPEN
OPEN
OPEN
OPEN/SHORT
OPEN
Condition
OPEN
OPEN
OPEN/SHORT
OPEN/SHORT
OPEN
Problem (error mode)
• Malfunctions all indoor & outdoor unit.
• Malfunctions remocon, force, test operation mode.
• Malfunctions indoor fan motor.
• Malfunctions remote contoller.
• Don't operate the power display module.
• Don't operate the power display module.
• The operation LED blinks twice.
• Enable to receive remote singnal.
• Malfunctions UP/DOWN step motor.
• Don't operate louver.
Problem (error mode)
• Malfunctions 4-WAY valve.
• Malfunctions fan
• The operation LED blinks twice.
• The LED01M blinks twice.
• The LED01M blinks 10 times.
• Continue Comp. operation.
(when the discharge pipe TH opens)
• Stop Comp. operation
(when the discharge pipe TH shorts)
• Stop compressor.
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Troubleshooting
