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Gravity Metal Detector System—Operator Setup Manual

CHAPTER 5: FAQ’S & APPENDICES

5.1 FAQ’s (Frequently Asked Questions)

5.1.1 Troubleshooting Guide

When a malfunction occurs it may not be serious and could be corrected easily. The following describes the most
common problems and solutions; please refer to the following before calling Technical Support.

WARNING!
Shock Hazard: Only qualified service personnel should remove the Detector cover.

 Machinery and devices may operate without warning at any time.

 Keep away from the operating area of the reject device while power is applied.
 Keep hands clear of moving parts.

 Do not tamper with, modify or attempt to override guards or safety switches.

Problem Check

Upon initial power‐up the display does Remove the display cover and follow the respective check list below:
not light up.
 Make sure there is power going to the Detector per the Power Supply
connection instructions in Section 1.10.
 Fasten any loose cable connections.

 Confirm that the Display Cable connector is plugged into [PL‐800
Display] Digital Board.
 The Green LED on the top center of Digital Board should be flashing; if
the green LED is not flashing, check if the Ethernet communication lights
are blinking. Try disconnecting and then reconnecting the power to the
detector.

The Detector is falsely triggering.  Inspect the rejected product with a off line metal detector to confirm
the presence of metal contamination.

 Investigate various symptoms of false triggers to determine the source.
Perform the Initial Signal Check described in Section 3.3 to determine
whether false triggering is coming from the conveyor, outside

environment, or product.

 Make sure all moving cross members or metal transfer plates are
Continued on next page electrically isolated

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