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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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15.4.22 F17 (<strong>Indoor</strong> Standby <strong>Unit</strong>s Freezing Abnormality)<br />

Malfunction Decision Conditions<br />

• When the different between indoor intake air temperature and indoor pipe temperature is above 10°C or indoor<br />

pipe temperature is below -1.0°C.<br />

Remark:<br />

When the indoor standby unit is freezing, the outdoor unit transfers F17 error code to the corresponding indoor<br />

unit and H39 to other indoor unit(s).<br />

Malfunction Caused<br />

• Wrong wiring connection<br />

• Faulty sensor<br />

• Faulty expansion valve<br />

Troubleshooting<br />

81

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