PRO COMPACT & CAD D300 v2.4
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Appendix A5: Troubleshooting
PROBLEM
POSSIBLE CAUSES
SOLUTIONS
Leak on the pressure regulator on
the front ot the control panel
Control cable gland is loosened
- Tighten the cable gland with a 17
mm open-end wrench
The high-pressure pump is noisy
-Reduced water inlet or air inlet
- Not at the right pressure
- Check the diameter of the pipes,
the tightening of the clamps and the
cleanliness of the filter.
- Set the pressure in the green zone
Oil leak on the high-pressure pump
Gaskets on connecting rods are worn
- Replace the gaskets
Water is too cold
- N/A
Pre-filter is dirty
- Replace the pre-filter.
Power supply is too weak
- Recharge the batteries.
- Check the connections.
Voltage drop in the electric cable
- Install a cable with a larger section
Water leaks under the high pressure
head
Worn gaskets
- Replace the piston gaskets
Pressure is not rising
Dirty pump valves
- Remove and clean the valves in the
pump head
Insufficient water flow
