Rexroth Ppcr221 Fault Codes [upd] Full May 2026

Open circuit detected on the line to proportional solenoid B.

The supply voltage to the module has dropped below the minimum required threshold (usually under 18V). rexroth ppcr221 fault codes full

Open circuit detected on the line to proportional solenoid A. Open circuit detected on the line to proportional solenoid B

What or LED blink sequence are you seeing? What machine or application is the PPCR221 installed on? Did the fault happen suddenly or after a maintenance event ? rexroth ppcr221 fault codes full

Use a digital multimeter to measure the voltage directly at the module terminals.

If you get a position defect (Code 41), check the mechanical side of the valve.