F1101 fault in WEG CFW900 Drive indicates a Slot A Initialization Error. This means the module in Slot A failed to initialize due to a resource conflict with another installed accessory.
Cause:
It was not possible to initialize a resource required for the accessory to work.
- Resource already in use by another accessory.
- In the case of communication network accessories, only one accessory of each type of network can be connected to the inverter at a time.
Remedy:
Ensure no resource overlapping is present on Slot A. Connect only one network communication accessory at a time.
