Error description 237-13015

Error message

13015 UM: Erroneous heatsink temperature value %1

Cause of error

- The UM inverter or UEC compact inverter reports errors when accessing the I2C bus for reading the heat sink temperature sensor
- No temperature sensor is connected or the connection is faulty
- Temperature sensor is defective
- I2C controller is defective

Error correction

- Restart the control
- Inform your service agency