User Manual EE360
Moisture in Oil Sensor | 30
Error Category
Description
1
Non-critical
error
, can be solved by the user.
▪
The display blinks and the buzzer beeps every 10 seconds.
▪
The red status LED lights continuously.
2
Critical error
, return the device to E+E for service.
▪
The display blinks and the buzzer beeps continuously.
▪
The red status LED flashes.
Tab. 13
Explanation of the error category
7.1.2. Error Messages via LEDs
Four status LEDs placed on both sides of a PCB are located close to the USB service interface, under a blind
cover.
PCB
LED 1
LED 2
LED 4
LED 3
Current output
Error LED
error LED on = error category 1
error LED flashes = error category 2
Voltage output
power supply/
main board
Fig. 28 Status LEDs
LED (Color)
Description
1 (
blue
)
Analogue output one set to voltage.
2 (
orange
)
Analogue output one set to current.
3 (flashing
green
)
Supply voltage applied (microprocessor is active).
4 (
red
)
permanently lit
flashes
Error category 1
Error category 2
Tab. 14
Explanation of the LED colors
7.1.3. Solving Typical Problems
Error description
Likely causes and solutions
Display shows incorrect values
Error during re-adjustment of the sensor.
→ Reset to factory calibration and repeat the adjustment routine.
Filter soiled
→ Replace filter
Output configured incorrectly
→ Check configuration
Long response time
Filter soiled
→ Replace filter
Inappropriate filter type
→ Contact E+E representative for advice.
High humidity values -
red LED blinks
Water in sensing head
→ Investigate the cause for water / condensation.
Contact E+E representative for advice.
Inappropriate filter type
→ Contact E+E representative for advice.
Tab. 15
Self diagnosis
