15: ERROR load shunt fault in KEB COMBIVERT R6 Drive indicates the load-shunt relay has failed to pick up. This means there was a temporary hardware relay issue or timing failure during the initial switch-on phase.
Cause:
Load-shunt relay has not picked up; occurs for a short time during the switch-on phase.
Remedy:
The relay will automatically reset immediately. If the error remains, inspect the load-shunt relay.
