E02

Temperature is too low

Permitted ambient temperature: -30...70 °C

E03

Temperature is too high

Permitted ambient temperature: -30...70 °C

E31

Temperature sensor damaged

Send the instrument in for repair

E04

Error in temperature measurement

Place the measurement device in a normal environment

E11

RH calibration error

Repeat the humidity calibration

E31

Temperature sensor or AD damaged

Send the instrument in for repair

E33

RH sensor or circuit damaged

Send the instrument in for repair