Troubleshooting - VLF Trendsetter AL Picker LEDs Do Not Light

Applies to	VLF Trendsetter AL

Machines affected	All machines.

Error Number	None

Component	Picker and/or track

Problem	Some or all of the picker or track LEDs don't come on properly when the autoloader is operating. The track LEDs may fail to come on when they should (i.e., lit steadily when the machine is on and ready and to plot; flashing when an error is detected with the VLF Trendsetter.

Causes and Solutions	Cause 1: One or more of the LEDs is burnt out Solution: Replace the faulty LED(s). Cause 2: Safety loop is broken (picker LEDs only) Solution: See VLF Trendsetter AL safety loop. Cause 3: Genine 2 board has failed. Solution: See VLF Trendsetter AL Genine boards. Cause 4: Connections are faulty. Solution: If a picker LED is out, check for poor connections or faulty wiring between: Genine 2 board and the power box LEDs and the Genine 2 board If a track LED is out, check for poor connections or faulty wiring between: ESE board and the power box LEDs and the ESE board Cause 5: Brightness or on/off controls are set incorrectly in the firmware (track LEDs only). Solution: Cause 6: Engine Satellite Electronics (ESE) board has failed, or the ESE firmware is set incorrectly (track LEDs only). Solution: See VLF Trendsetter ESE board Cause 7: Power supply from the PDB has failed Solution: Check the 24V power supply from the Power Distribution Board (PDB).

Causes and Solutions

Cause 1: One or more of the LEDs is burnt out
Solution: Replace the faulty LED(s).

Cause 2: Safety loop is broken (picker LEDs only)
Solution: See VLF Trendsetter AL safety loop.

Cause 3: Genine 2 board has failed.
Solution: See VLF Trendsetter AL Genine boards.

Cause 4: Connections are faulty.
Solution: If a picker LED is out, check for poor connections or faulty wiring between:

Genine 2 board and the power box
LEDs and the Genine 2 board

If a track LED is out, check for poor connections or faulty wiring between:

ESE board and the power box
LEDs and the ESE board

Cause 5: Brightness or on/off controls are set incorrectly in the firmware (track LEDs only).
Solution:

Cause 6: Engine Satellite Electronics (ESE) board has failed, or the ESE firmware is set incorrectly (track LEDs only).
Solution: See VLF Trendsetter ESE board

Cause 7: Power supply from the PDB has failed
Solution: Check the 24V power supply from the Power Distribution Board (PDB).

Technical contact	Rob Bouchal
Date submitted	10 April 2000
Date modified

Picker or track LEDs don't light