E281-2300 IntelliTouch SmartSet Serial Controller Jumpers

Diagnostic LEDs

Yellow (Communications)

• Normal: Flashes 1.5/second; lights with touches
• Problem: Stays on solid
  • Host failed to remove data packet
  • Shorted touchscreen or wiring
• Problem: Flashes four/second
  • Communications problem; suspect BAUD, etc

Green (Self-Test)

• Normal: Flashing after self-test (2/sec)
• Problem: Stays on solid
  • Power-up self-test failed