Manual
10
9 Troubleshooting
9.1 Faults
Fault
Possible cause
Remedy
It is not possible to power
on the fan anemometer
On/Off key pressed too
fleetingly
Press the On/Off key slightly
longer
Batteries not inserted
correctly
Check correct polarity
Battery voltage insufficient
Replace batteries
9.2 Error codes
9.2.1 Air temperature
Error code
Error
Remedial action
E02
Temperature is below measuring
range
Acclimatize the fan anemometer
at room temperature for 30
minutes. If E02 is still displayed,
return the fan anemometer for
repair.
E03
Temperature is above measuring
range
Acclimatize the fan anemometer
at room temperature for 30
minutes. If E02 is still displayed,
return the fan anemometer for
repair.
E31
Temperature sensor defective
Return the fan anemometer for
repair.
9.2.2 Relative humidity
Error code
Error
Remedial action
E04
Caused by temperature error
Please refer to the errors of air
temperature
E11
Calibration error
Return the fan anemometer for
relative humidity calibration
E31
Humidity sensor defective
Return the fan anemometer for
repair.
9.2.3 Dew point and wet-bulb temperature
Error code
Error
Remedial action
E04
Caused by temperature or
humidity error
Please refer to the paragraphs
above
