Self-Diagnosis And Error Messages - E+E Elektronik EE29 Series Manual

8.3 Self diagnosis and error messages:
Self diagnosis via LEDs on the circuit board:
•
Green LED
flashing
•
Red LED
constantly lit
flashing
Self diagnosis via display (where available):
Error 1
Error 2
Error 3
Error 4
Definitions:
i
•
Error
possible cause
⇒
•
Display shows incorrect values
Error during re-adjustment of the transmitter
⇒
Filter soiled
⇒
Sensor defective
⇒
Output configured incorrectly
⇒
•
Long response time
Filter soiled
⇒
Incorrect filter type
⇒
•
Transmitter failure
no supply voltage
⇒
⇒
•
High humidity values - red LED blinks
Dew (condensation) in sensor probe head
⇒
Incorrect filter type (e.g. storage of humidity after stainless steel sintered filter condensation)
⇒
Hardware
⇒
Supply voltage applied / Microprocessor is active
⇒
Humidity sensor element damaged
⇒
Humidity sensor element accruing moist (condensation!)
⇒
Humidity sensor element damaged
⇒
Humidity sensor element moistened (condensation!)
⇒
Temperature sensor element damaged
⇒
Temperature input short circuit
Measures / Help
Reset to factory calibration and repeat the calibration routine
Replace filter
Replace sensor
PC - Software
Replace filter
Filter type should match the application
Check wiring and supply voltage
only green LED is illuminated continuously
Dry probe head and check the sensor probe mounting type
Filter type should match the application
⇒
Electronics defect
18
⇒
contact the manufacturer