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

7

Maintenance

7.1

Self diagnosis and error messages

7.1.1

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 polluted
Hardware error
Temperature measurement failure
Humidity measurement failure
* not available with 0 - 1 V output
Tab. 2 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.
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.
Voltage output
LED 1
LED 3
power supply/
main board
Fig. 25 Status LEDs
LED 1 (blue): analogue outputs one set to voltage.
LED 2 (orange): analogue outputs one 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
26
Error code (display) Error category Recommended action
1.1
1.2
1.3
2.1
2.2
2.3
3.x
5.x
6.x
8.x
7.x
9.x
10.x
Current output
LED 2
PCB
LED 4
Error LED
error LED on = error category 1
error LED flashes = error category 2
Check wiring of outputs
1
Check wiring of outputs
Cleaning sensor
Return the faulty unit to
2
E+E for service
Operating instructions for EE310 Humidity / Temperature Transmitter