Maintenance; Storing And Cleaning Of The Sensor; Trouble Shooting Guide - Burkert 8175 Manuel Utilisateur

5.1 STORING AND CLEANING OF THE SENSOR

Ultrasonic level sensors do not require any special maintenance, however, the bottom of
the sensor must not be covered by sediments. If necesary the sensor can be easily cleaned
using a soft bristled brush and detergent compatible with PVDF. Do not use harsh abrasive
brushes or solutions which may damage the PVDF sensor enclosure.
Ensure that the tank / pipe does not contain any fluid or pressure before
dismounting.

5.2 TROUBLE SHOOTING GUIDE

This section is designed to assist with problems which may occur during installation or ope-
ration. If in doubt, please do not hesitate to contact your local Bürkert subsidiary.
Faults
The transmitter does not work
- Transmitter connected?
- Fuses OK ?
- Switch ON?
- Power supply on terminals IN+ and IN- OK?
Transmitter programming unavailable
Switch SW1 set to the left (ENTER key locked)?
Display «ERROR»
- Display at the start-up (EEPROM failure)?
- Error at each start-up?
- Display after validation of the menu
(EEPROM failure)?
- Failure at each validation of the menu?
- Display within the Teach-In mode?
Display «--- °C» or «--- °F»
- Fluid temperature between -40 and +80 °C?
- Connector for Pt1000 connected?
(open the transmitter)
Blinking display of the transmitter
- Blinking unit?
(m, cm, pouce, pied, m 3 , l, US Gal, IMP Gal)
- Blinking of the whole display?
Current output of 22 mA
- Fluid temperature between -40 and +80 °C?
- Display blinking?
- Display message "ERROR"?
Current output value zero or different from the display
- SW2 correctly set (sinking or sourcing)?
- Connection of the current output OK?
- Failure < 1 mA?

MAINTENANCE

Status
No
No
No
No
Yes
Yes
Yes
Yes
Yes
Yes
No
No
Yes
Yes
No
Yes
Yes
No
No
Yes
56
Actions
Connect the device
Change the fuses
Set the switch to ON
Check the connection
Set SW1 switch to the right
Restart the device
Send the device back to Bürkert
Configure the device again
Send the device back to Bürkert
Perform a new Teach-in
Device out of range
Connect the Pt1000
Perform an echo reset
Check the connection of connectors
Device out of range
See above
Re-calibrate the device
Modify SW2
Connect current output
Set the offset and span
See
3.3
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3.3
3.3
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4.4
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4.4.6
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4.5.6
3.3
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4.5.6
4.4
3.3
3.3
4.5
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