Potential causes to check and resolve:
- Four-way valve is in the neutral position.
- Worn vanes.
- Worn shaft seals.
- Leaks in the tank or pipework.
- Plumbing diameter is of an insufficient size.
- Non-return valve is blocked and does not open fully.
- Blocked Inlet Filter.
- RPM rate below recommended level.
- Collapsed hose in the system setup.
- Blockage in exhaust.
For further issues or additional information contact an authorized Masport distributor or Masport directly.