Maintenance; Self Diagnosis And Error Messages; Error Messages Via Display; Error Messages Via Leds - E+E Elektronik EE310 Operation Manual

Humidity/temperature transmitter
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6

Maintenance

6.1

Self diagnosis and error messages

6.1.1

Error messages via display

Error description
Voltage out short circuit - output 1 only*
Voltage out short circuit - output 2 only*
Voltage out short circuit - both outputs*
Current loop open - output 1 only
Current loop open - output 2 only
Current loop open - both outputs
RH sensor dirty
Hardware error
Temperature measurement failure
Humidity measurement failure
* not available with 0 - 1 V output
Tab. 10
Overview of error codes
Error category 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.
Error category 2 = critical error, return the device to E+E for service
• The display blinks and the buzzer beeps continuously.
• The red status LED flashes.
6.1.2

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.
Voltage output
power supply/
main board
Fig. 34
Status LEDs
LED 1 (blue): analogue output is set to voltage.
LED 2 (orange): analogue output is set to current.
LED 3 (flashing green): supply voltage applied (microprocessor is active).
LED 4 (red): constant lit: error category 1
flashes: error category 2
Operating instructions for EE310 Humidity / Temperature Transmitter
Error code (display) Error category Recommended action
LED 1
LED 2
PCB
LED 3
LED 4
1.1
1.2
1.3
2.1
1
2.2
2.3
3.x
5.x
6.x
8.x
2
7.x
9.x
10.x
Current output
Error LED
error LED on = error category 1
error LED flashes = error category 2
Check wiring of outputs
Check wiring of outputs
Cleaning sensor
Return the faulty unit to
E+E for service
33

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