SI-F/G Communication Error

What does E-15 mean?

This fault may occur when using the SI-F or SI-G communication options if communication is lost after being established. It signifies a disruption in data exchange with the specific option card (SI-F or SI-G), which can halt control functions or data exchange, leading to operational stoppage and loss of control.

Complete Troubleshooting Guide

1. 1

   Check the physical communication cable between the SI-F/G option card and the external device for secure connection, damage, or breaks.

2. 2

   Verify communication settings (baud rate, protocol, address) on both the inverter/option card and the external device.

3. 3

   Ensure the SI-F or SI-G option card is correctly seated in its slot within the inverter.

4. 4

   Inspect for external electrical noise or interference that could disrupt communication.

5. 5

   If the fault persists, consider replacing the communication option card or testing with a different external device.