LG Room Air Conditioner - Hawco
LG Room Air Conditioner - Hawco
LG Room Air Conditioner - Hawco
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■ The problem of missing the connector (INDOOR MAIN PCB ASSY)<br />
Connectors<br />
CN-AC/DC<br />
CN-FAN<br />
CN-T/Block<br />
CN-DISP1<br />
CN-DISP2<br />
CN-TH<br />
CN-U/D<br />
Condition<br />
OPEN<br />
OPEN<br />
OPEN<br />
OPEN<br />
OPEN<br />
OPEN/SHORT<br />
OPEN<br />
■ The problem of missing the connector (OUTDOOR MAIN PCB ASSY)<br />
Connectors Condition<br />
CN-4 WAY<br />
CN-FAN<br />
CN-TH<br />
CN-D-PIPE<br />
CN-UVW<br />
OPEN<br />
OPEN<br />
OPEN/SHORT<br />
OPEN/SHORT<br />
OPEN<br />
Problem (error mode)<br />
• Malfunctions all indoor & outdoor unit.<br />
• Malfunctions remocon, force, test operation mode.<br />
• Malfunctions indoor fan motor.<br />
• Malfunctions outdoor unit.<br />
• Stop compressor and outdoor fan motor.<br />
• The operation LED blinks 5 times.<br />
• Communication error.<br />
• Malfunctions remote contoller.<br />
• Don't operate the power display module.<br />
• Don't operate the power display module.<br />
• The operation LED blinks twice.<br />
• Enable to receive remote singnal.<br />
• Malfunctions UP/DOWN step motor.<br />
• Don't operate louver.<br />
• Malfunctions 4-WAY valve.<br />
• Malfunctions fan<br />
• Stop compressor.<br />
Problem (error mode)<br />
• The operation LED blinks twice.<br />
• The LED01M blinks twice.<br />
• The LED01M blinks 10 times.<br />
• Continue Comp. operation.<br />
(when the discharge pipe TH opens)<br />
• Stop Comp. operation<br />
(when the discharge pipe TH shorts)<br />
Troubleshooting Guide<br />
Service Manual 77
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