!
error DeWalt
Error Code 33
Overfilling of the pump — too much oil has been added to the pump reservoir.
? What Causes This
User error during oil maintenance, filling beyond the proper level mark.
✓ How to Fix It
- Turn off the unit and allow it to cool.
- Locate the oil level indicator.
- Carefully drain excess oil until the level reaches the correct mark.
- Check the manual for proper oil capacity.
Source: page 6 of the official manual
From the manual
This error code appears in:
DeWalt 3300 Psi Pressure Washer