See Section 7.1.2 for information about messages that may appear on the HMI touch screen. If a condition occurs that requires Operator intervention within the processing area of the machine, first observe that the machine is fully stopped. Turn the power off. Activate an E-Stop switch before reaching into the process area. When reaching into the process area, be careful of any hazards. The system, although protected by adequate safety covers, may have various pinch points, cutting points, and electrical shock hazards exposed while performing service or repairs. If a machine alarm is generated, an alarm tone sounds, and a message appears on the HMI touch screen. After the problem is resolved, the alarm message on the touch screen must be acknowledged before the process can be re-started.