Troubleshooting - VLF Trendsetter AL Picker Doesn't Stop at Correct Position

Picker doesn't stop at the correct position

Applies to	VLF Trendsetter AL

Machines affected	All machines.

Error Number	None

Component	Picker

Problem	The picker doesn't stop where it should.

Causes and Solutions	Cause 1: Position command in firmware is incorrect Solution: Cause 2: Home/away sensor has failed Solution: Replace the home/away sensor. See VLF Trendsetter AL Sensors and Switches Cause 3: "Safe zone" sensor has failed. Solution: Check that the sensor tab isn't bent or missing. It must block the optical sensor to be effective. Cause 4: Stepper motor has skipped steps. Solution: See VLF Trendsetter AL Motors.

Causes and Solutions

Cause 1: Position command in firmware is incorrect
Solution:

Cause 2: Home/away sensor has failed
Solution: Replace the home/away sensor. See VLF Trendsetter AL Sensors and Switches

Cause 3: "Safe zone" sensor has failed.
Solution: Check that the sensor tab isn't bent or missing. It must block the optical sensor to be effective.

Cause 4: Stepper motor has skipped steps.
Solution: See VLF Trendsetter AL Motors.