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Cynthia KellyAug 5, 2025
What to do if Zell AC1800 shows 'CODE:02 INNER TANK FILLED'?
- JJenna WhiteAug 5, 2025
If your Zell Service Equipment displays the warning 'CODE:02 INNER TANK FILLED,' it means the internal refrigerant container is full. To resolve this, drain the internal refrigerant container in the proper manner.