❌ Some users report inability to go below ~10–12 bar even when fully backed off. Check your specific “A” variant – some are pre-set with a minimum spring.
✅ External hex screw with locknut. Turn clockwise to increase outlet pressure. Many users appreciate that it doesn’t drift with vibration. fendt 1d.2.1a
❌ Reverse flow from outlet to inlet is not possible. If your circuit needs load-holding, add an external pilot-to-open check valve. ❌ Some users report inability to go below