C274 Control box fan error

C274A1 Fan is not running

The control box fan must be running to prevent the control box from overheating

Try the following actions to see if it resolve the issue: (A) Conduct a complete rebooting sequence, (B) Ensure the fan in the control box can rotate freely and the connector is attached. The control box fan is located between the air filter and the energy eater in the control box. See the Service Manual for details.

C274A2 Monitoring data timed out

The monitoring signals for the fan speed was not received by the system in a timely manner

Try the following actions to see if it resolve the issue: (A) Conduct a complete rebooting sequence, (B) Update software.

C274A3 Fan speed is {float}

Fan rotational speed in RPM

Try the following actions to resolve the issue: (A) Conduct a complete rebooting sequence, (B) Update software, (C) Contact your local Universal Robots service provider for assistance.