Despite newer models entering the market, the E615 remains a workhorse in factories worldwide. Its 15-inch XGA (1024x768) TFT display provides ample real estate for complex process visualization. The manual is not just a booklet; it is the safety and operational backbone of the unit.
When the HMI powers on, it runs a Power-On Self-Test (POST). The manual explains the LED status indicators on the back panel:
If you see a solid red light without the manual’s troubleshooting flowchart, your mainboard likely requires replacement.