warning DeWalt

Error Code 30

Loose or worn drain plug — the pump drain plug is not properly secured or has deteriorated.

? What Causes This

Vibration during operation causing drain plug to loosen, or wear from repeated use.

How to Fix It

  1. Turn off the unit and allow it to cool.
  2. Locate the drain plug on the pump.
  3. Tighten the drain plug securely.
  4. If still leaking, replace the drain plug.

Source: page 6 of the official manual

From the manual

Manual page 6 — DeWalt error 30

This error code appears in:

DeWalt 3300 Psi Pressure Washer