Tverter K1 Series Manual Pdf 2021

The 2021 manual includes an expanded fault table. Here are the most frequent errors:

| Fault Code | Description | Likely Cause & Solution (from manual) | | ---------- | -------------------------------- | ------------------------------------------------------- | | OC | Overcurrent during acceleration | Short circuit at motor terminals; increase accel time. | | OU | Overvoltage during deceleration | Braking resistor too small; extend decel time (P0.05). | | SC | Short circuit (module fault) | Check motor insulation; replace IGBT module. | | OL | Motor overload | Increase P1.02 (motor current) slightly; reduce load. | | LU | Low voltage (undervoltage) | Check input supply; voltage sag. | | OH | Overheat (heatsink >85°C) | Clean fans; improve ventilation. | | CE | RS485 communication error | Check wiring and P9.00 (baud rate mismatch). |

2021 addition: New fault EF – External fault triggered via digital input. Reset by setting D4 to "external fault" and shorting to COM. tverter k1 series manual pdf 2021

2021 manual tip: For sleepy PID response, increase P8.09 (PID sleep frequency – e.g., 25Hz) and P8.10 (sleep delay – e.g., 30 seconds). This stops the pump during low demand, saving energy.

If you are upgrading from an older 2019 or 2020 manual, the 2021 version includes: The 2021 manual includes an expanded fault table


The 2021 manual corrects an earlier error: The command source must be set to P0.01=2 (RS485) for Modbus control to work. This was missing from the 2019 edition.

Without access to the exact Tverter K1 Series Manual PDF (2021), a full report is impossible. Users should obtain the official manual directly from the manufacturer or distributor. The 2021 manual corrects an earlier error: The


To operate the drive, users typically need to adjust "Parameter Groups." In the K1 series, these are often designated as P0, P1, P2, etc.

  • Motor Parameters (P2 Group):