TITLE9TROUBLESHOOTING9Attach the lens cover,then measure.Lens cover is noton Probe.Probe may nothave been properlypositioned in ear.The probe mustbe snug againstopening of ear.Be sure lens coveris clean and earcanal is not blockedwith earwax .The measuredtemperature wasbelow the rangeof the thermometer.The measuredtemperature wasabove the rangeof the thermometer.Turn on the unitagain. If "Er.1"is displayed again,the unit mayrequire service.Call CustomerService Dept.1-800-634-4350Make sure unitremains at roomtemperature wheremeasurement willtake place. Allow 30minutes to stabilizebefore using.Normal range:(50°F to 104°F)(10°C to 40°C)Temperature of theunit is unstable.The temperature of theunit is 50°F or belowwhich is outsidethe operating range.The temperature of theunit is 104°F or abovewhich is outside theoperating range.Meaning ActionDisplayMay require service.