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error Apec

Error Code TDS

Total Dissolved Solids level exceeds normal operating range - indicating high contamination levels or filtration issues.

? What Causes This

High source water TDS, malfunctioning membrane, restricted drain flow.

How to Fix It

Flush the system thoroughly and test for correct installation. Replace filters if necessary.

Source: page 31 of the official manual

From the manual

Manual page 31 — Apec error TDS

This error code appears in:

Apec Water Roes 50