14TroubleshootingInformation Reasons SolutionErr Reading beyond distancemeasurement rangeUse the device within thespecified measuring rangeErr1 Signal too weak Measure target point withstrong emission capabilityErr2 Signal too strong Measure target point withless reflectivityErr3 Battery voltage too low Replace the batteryErr4 Beyond the operatingtemperature rangeUse the device inspecified environmentErr5 Pythagorean MeasurementRangeRestart measurement, andensure the hypotenuse islonger than theright-angle sideWhen the Hardware Error icon appears on the LCD, turn the meter on andoff several times. If the symbol still appears, contact REED Instrumentsfor repair.Maintenance and Care• Do not store the device in high temperature and high humidityenvironments for a long period of time. If the device will not be used fora long period of time, please take out battery and put the device in aportable bag and place it in a cool, dark, dry place.• Please keep the device surface clean. Use a wet, soft cloth to clean thesurface and dry up in time. Do not clean the device with corrosiveliquid. Wipe the laser window and focusing lens according to themethod of wiping optical devices.For service or information on this or any other REED product, contactREED Instruments at info@reedinstruments.com.REED Instruments1-877-849-2127 | info@reedinstruments.com | www.reedinstruments.com