OnGrade Manual - Ditch Witch

OnGrade Operator’s Manual Service - 55Troubleshoot Grade PoleIssue Possible Cause Possible SolutionGrade pole will not communicatewith tracker.1. Depth button pushed withoutgreen light on control box lit.2. Tracker and grade pole maybe set to differentcommunication channels.1. Press depth button whengreen light is lit.2. Follow tracker (see trackermanual) and grade pole(see page 34) instructions toverify units are on samechannel.Tracker does not take a readingwhen depth button on gradepole is pressed.Beacon is regulating power. • Try again after a fewseconds.• Use PowerStick or Lithiumbattery to limit beaconregulation in rough terrain.High and low indicator lights willlight on control box but not thegreen centered light.No lights will light up on controlbox.Total depth reading (laser planeto beacon) is much different thanprevious readings.Upper and lower red lights comeon when depth button ispressed.All lights on grade pole controlbox flash on and off at a regularinterval.Cap may be missing from gradepole or extension.1. Weak batteries in gradepole.2. Coiled cable connection isloose.Interference from iron or steelobject(s) at or near the groundsurface.Grade pole batteries are low.Grade pole is picking up aflashing strobe in the area.Install cap on top of grade poleor uppermost extension.1. Replace batteries in gradepole.2. Check cable connection ongrade pole.See “Pitch Only” on page 35.Change batteries.Check for flashing strobe lightsin the vicinity and block view ofgrade pole.CMW