Bosch Rexroth IndraDrive Error Code C0820

Bosch Rexroth PLC & VFD Major Sensor

Model: IndraDrive | Code: C0820

Applicable Systems
IndraDrive

Symptoms

The IndraDrive reports an internal overheat fault. The heatsink temperature exceeded the protection threshold and the drive tripped.

Possible Causes

  • Cooling fan failure or blocked airflow in the Bosch Rexroth enclosure
  • Ambient temperature exceeding the drive rated maximum
  • Drive mounted without adequate clearance for heat dissipation

Troubleshooting Steps

  1. Step 1: Check the cooling fan for operation and replace if not spinning
    Fan runs at full speed after replacement
  2. Step 2: Verify the ambient temperature around the drive is below the rated maximum
    Ambient temperature is within the rated range
  3. Step 3: Ensure the drive has at least 100mm clearance on all sides for airflow
    Airflow is unobstructed around the drive

How to Reset

To reset: Allow the drive to cool, fix the cooling issue, then reset the fault.

Source: Bosch Rexroth IndraDrive Functional Description, Bosch Rexroth AG

Category: PLC & VFD