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error Costway
Error Code E3
Ambient humidity is too high or too low.
? What Causes This
The operating environment humidity is outside the unit's acceptable range.
✓ How to Fix It
Wait for environmental humidity levels to return to normal operating conditions, or adjust the space conditions as needed.
Source: page 1 of the official manual
From the manual
This error code appears in:
Costway Dehumidifier