!!
critical DeWalt
Error Code 28
Damaged pump head or tubes due to freezing — internal pump components have been damaged by ice formation.
? What Causes This
Freezing temperatures causing water inside the pump to expand and crack internal components.
✓ How to Fix It
- Stop using the unit immediately.
- Contact an authorized DeWalt service center for pump head or tube replacement.
- Do not attempt to repair yourself.
Source: page 6 of the official manual
From the manual
This error code appears in:
DeWalt 3300 Psi Pressure Washer