You have the full list of Rexroth PPCR221 fault codes. But some codes indicate terminal failure:
| Scenario | Repair Possible? | Recommended Action | | :--- | :--- | :--- | | Single blown IGBT (F112, F113) | Yes – by certified Rexroth service center | Ship for repair. Cost ~$1,200–$1,800. | | PCB trace damage from moisture | Rare – often unrepairable | Replace. Corrosion spreads. | | Firmware corruption (B005) | Yes – firmware can be re-flashed | Request firmware file from Bosch support (requires serial number). | | Multiple random fault codes (F301, F501, A101 together) | No – main processor failure | Immediate replacement. |
Replacement part number: The current equivalent is Rexroth PPCR221-10A (upgraded version). Ensure you transfer the memory card (SD card slot on the top) to preserve motor parameters.
The Rexroth PPC-R22.1 offers a best-in-class diagnostic system for its era, provided the user has access to the software tools to unlock it. rexroth ppcr221 fault codes full
If you are relying solely on the HMI lights, you are missing 80% of the data. The capability to view the Full Fault History turns this controller from a "black box" into a transparent diagnostic tool. It requires a technically competent operator to navigate the legacy software and dense manuals, but once mastered, it allows for exceptionally precise troubleshooting.
Rating: 8.5/10 (Points deducted only for reliance on aging legacy software interfaces).
The Bosch Rexroth PPCR221 is a high-performance industrial control unit, often found managing hydraulic drives, injection molding machines, press controls, and complex automated production lines. Known for its robustness and precision, like any sophisticated electronic component, the PPCR221 can encounter operational faults. When a yellow or red warning light illuminates, or the system fails to engage, a fault code is generated. You have the full list of Rexroth PPCR221 fault codes
For maintenance engineers, technicians, and plant managers, understanding the full list of Rexroth PPCR221 fault codes is the difference between 10 minutes of downtime and 10 hours of troubleshooting.
This article provides the most comprehensive, categorized list of Rexroth PPCR221 fault codes available, along with their meanings, probable causes, and step-by-step diagnostic procedures.
Disclaimer: Always refer to the official Rexroth documentation (Bosch Rexroth Service Manual DOK-SUPPL*-PPCR221**) for your specific firmware version. Fault codes may vary slightly depending on the drive configuration and optional modules installed. The Rexroth PPC-R22
The Bosch Rexroth PPC-R 22.1 is a robust industrial PC designed for control and drive tasks. When a malfunction occurs, the system generates specific error messages displayed on the HMI (VDP/VDI) or logged in the error history.
The PPCR221 often acts as a slave on a factory network. A communication fault will not stop the motor instantly, but it will cause a controlled stop.
| Fault Code | Description | Common Cause | Immediate Action | | :--- | :--- | :--- | :--- | | F701 | Fieldbus Timeout (Watchdog) | PLC/controller stopped sending cyclic data. | Check PLC scan time; increase watchdog timeout in parameter P-0-0360. | | F702 | Profibus Configuration Mismatch | GSD file ID mismatch between master and slave. | Re-import the Rexroth GSDML file into your engineering software. | | F710 | EtherCAT State Machine Error | Slave failed to transition from Pre-Op to Safe-Op. | Cycle power to the PPCR221. Check EtherCAT cable integrity. | | F720 | Modbus RTU CRC Error | Corrupted bytes; baud rate mismatch. | Verify parity, stop bits, and baud rate (default is 19.2k, 8, N, 1). |
Troubleshooting Sequence for F701: