Maintenance And Service; Self Diagnosis And Error Messages; Error Messages On The Display; Status And Error Messages Via Leds - E+E Elektronik HTS801 User Manual

7 Maintenance and Service

7.1

Self Diagnosis and Error Messages

7.1.1.

Error Messages on the Display

Error Description
Voltage out short circuit - output 1 only*
Current loop open - output 1 only
RH sensor polluted
Hardware error
Temperature measurement failure
Humidity measurement failure
For all other error codes accurring on the display, please contact the E+E service team.
* not available with 0 - 1 V output
Tab. 14 Overview of error codes
Error Category
1
2
Tab. 15 Explanation of the error category
7.1.2.

Status and Error Messages via LEDs

Four status LEDs placed on both sides of the PCB next to the USB service interface. The USB connector is
accessible after removing the blind cover.
Voltage output
LED 1
Power supply/ LED 3
main board
Fig. 43
Description
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.
Critical error, return the device to E+E for service.
▪.
The display blinks and the buzzer beeps continuously.
▪.
The red status LED flashes.
Current output
LED 2
USB
PCB
LED 5 LED 4 Error LED
Error LED on = error category 1
Error LED flashes = error category 2
ARC LED
ARC LED on = ARC active
ARC LED off = ARC inactive
Status LEDs
Error Code (Display) Error Category
1.x
2.x
3.x
5.x
6.x
8.x
7.x
9.x
10.x
Humidity and Temperature Sensor for High Humidity and Chemically Polluted Conditions | 46
User Manual HTS801
Recommended Action
Check the wiring of the outputs
1 Check the wiring of the outputs
Clean the sensor
Return the faulty unit to E+E
2
for service