Measure the resistance of the coils. A healthy coil should match Rexroth's factory specifications (usually a few ohms). A reading of means a short; an infinite reading means an open circuit. 3. Check Signal Wiring
The difference between the commanded position and actual position is too large for too long. rexroth ppcr221 fault codes full
Verify that your hydraulic system pressure is sufficient to move the spool at the speed requested by the controller. 💾 Clearing Faults and Resetting Measure the resistance of the coils
Wiggle the harness cables for the command signal and position feedback sensors. rexroth ppcr221 fault codes full