Description
The start relay of mechanical unit arg failed to close.
Consequences
There is no way to run mechanical unit manually or automatically.
Possible causes
The starting relay configured in the system may be faulty, or the system may not be configured correctly.
Recommended actions
- Check the contactor and make sure its connectors are connected correctly.
- Check the system action configuration of the start relay. Its configuration data is described in Technical Reference Manual - system parameter.