Troubleshooting CPU/COMM Error
If you find yourself troubleshooting a CPU/COMM error on your VFD make sure to check for a lost keypad or a communication fault. If either of those are the case there might be a faulty connection between the inverter and the keypad. The may also be ...
Cannot write speed reference and operation command to an H100 or G100 over Ethernet
This issue is specific to the H100s and G100s with the dual port ethernet card installed. It is also specific to a select few Ethernet Card firmware's. This issue has since been fixed on Ethernet card firmware version 2.30. For fixing this issue on ...
VFD won't run in local control with EtherCAT card
There is a known issue when operating the S100 VFD with an EtherCAT card and an HOA switch. This problem can occur when the VFD is using a digital input to switch to "2nd source". In theory, the "HAND" mode should disregard the status of the EtherCAT ...
H100 will not save baud rate for BACnet
Issue: The issue occurs with the H100 VFD setup on a BACnet network. For example, when setting COM03=7 – 76.8Kbps. After a power cycle, the parameter defaults back to 9600bps. All of the other bps settings work and retain their setting after a ...
S100 with Ethernet card is not able to connect over unicast
Unicast support was not implemented until firmware version 3.05. Check COM06 to see what version Ethernet card you have. < 3.05 only supports Multicast ≥ 3.05 supports Multicast and Unicast