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deborah78Aug 2, 2025
What to do if there is disconnection of the operating line between the outdoor and the indoor units in Hitachi RAS-3HVRNS?
- Llogan84Aug 2, 2025
If you suspect a disconnection in the operating line between the outdoor and indoor units of your Hitachi Air Conditioner, carefully inspect the operating line to ensure all connections are secure. If the issue continues and '03' keeps flashing after 30 seconds, further troubleshooting may be necessary.