User manual

EXTECHINSTRUMENTS
6CO240‐en‐GB_v1.63/15
MaintenanceandTroubleshooting

BatteryReplacement
WhenthebatteryiconappearsontheLCD,thebatteriesmustbereplaced.
Inadownwardmotion,slidetherearbatterycompartmentcoveroffofthemeterhousing.
Removetheoldbatteriesandreplacewithnewbatteries(allofthesametype)observingcorrect
polarity.Thismeterusessix(6)1.5V
AAAbatteries.Pleasereplacethebatterycompartment
coverbeforeattemptingtousethemeter.
Neverdisposeofusedbatteriesorrechargeablebatteriesinhouseholdwaste.
As consumers, users are legally required to take used batteries to appropriate
collection sites, the retail store where the batteries were purchased, or wherever
batteries
aresold.
Disposal: Do not dispose of this instrume nt in household waste. The user is obligated to take
end‐of‐life devices to a designated collection point for  the disposal of electrical and electronic
equipment.

BatterySafetyReminders
o Pleasedisposeofbatteriesresponsibly;observeallrelevantregulations.
o Neverdispose
ofbatteriesinafire;batteriesmayexplodeorleak.
o Nevermixbatterytypes;installnewbatteriesofthesametype.

Troubleshooting/ErrorMessageDisplays
ErraticReadings ReplacethebatteriesorusetheAC/DCadaptorandcheckagain.
ER1Display CO
2
,TemperatureorHumiditysensorfailureorasensorcommunication
error.Sendforserviceifdisplaypersists.
ER2Display Out‐of‐rangeconditionforCO
2
,TemperatureorRelativeHumidity.
DetectedreadingexceedsCO
2
,TemperatureorHumidityrange
specification.Thiserrorisnormalwhenclearingthemaximumand
minimumreadingsintheMAX/MINmode.
“9999”Display ReadingexceedstheCO
2
maximummeasurementrangeorthebattery
powerisweak.
