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Indoor Unit Outdoor Unit CS-HE9NKE CS-HE12NKE CS ... - LMG

Indoor Unit Outdoor Unit CS-HE9NKE CS-HE12NKE CS ... - LMG

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15.4.21 F11 (4-way valve Abnormality)<br />

Malfunction Decision Conditions<br />

• When heating operation, when indoor pipe temperature is below 10°C.<br />

• When cooling operation, when indoor pipe temperature is above 45°C.<br />

Malfunction Caused<br />

• Connector in poor contact.<br />

• Faulty sensor<br />

• Faulty outdoor unit PCB<br />

• 4-way valve defective<br />

Troubleshooting<br />

80

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