LD5000 Troubleshooting Guide

LD5000 Troubleshooting Guide No Power: Make sure unit is plugged in. Turn power switch on. Check fuse (21A). Check electrical connections   Power, No Feeding: Make sure sensor is clear (not “seeing” anything). Move hand across sensor and watch light on backside to make sure sensor is registering presence/absence. Check relay for switching with presence/absence. […]

zcM1000 Troubleshooting Guide

  zcM1000 Troubleshooting   No Power: Make sure unit is plugged in. Turn power switch on. Check fuse (120). Check transformer (111) for 12VDC output. Check continuity of switch. Must remove cover (101) and internal metal frame (501/502). Plug transformer into known good circuit board (504).   Display Shows “999”: Turn photo sensor switch (560) off. […]

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