Indoor/Outdoor Communication Error (Detected by Outdoor Unit)
Description
Appliance Error Codes Details
Additional Troubleshooting
2. Check the indoor/outdoor connecting wire for damage or loose terminals
3. Contact service if the error recurs after reset
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Official Sources
Official Manufacturer Service Manuals
Service manuals and technical documentation from appliance manufacturers
Original equipment manufacturers official documentation
Industry Standards Organizations
International standards for electrical appliances and error codes
International Electrotechnical Commission standards
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