7. Maintenance, cleaning / 8. Faults
7.2 Cleaning
CAUTION!
Before cleaning, correctly disconnect the instrument from the pressure
■
supply, switch it off and disconnect it from the mains.
Clean the instrument with a moist cloth.
■
Electrical connections must not come into contact with moisture.
■
Wash or clean the dismounted instrument before returning it, in order to
■
protect staff and the environment from exposure to residual media.
Residual media in dismounted instruments can result in a risk to persons,
■
the environment and equipment. Take sufficient precautionary measures.
For information on returning the instrument see chapter "10.2 Return".
8. Faults
Faults
No function
No function in spite of
liquid level change
Sensor works to reverse
logic
CAUTION!
If faults cannot be eliminated by means of the measures listed above, the
instrument must be shut down immediately, and it must be ensured that
pressure and/or signal are no longer present, and it must be prevented from
being inadvertently put back into service.
In this case, contact the manufacturer.
If a return is needed, please follow the instructions given in chapter
"10.2 Return".
WIKA operating instructions mini limit switch, model LSO.02
Possible causes
No power supply
Contamination or scale on
the glass-tip
SA instead of SE or SE
instead of SA specified
Measures
Measure power supply, check
connection to cable or plug
Clean glass-tip (set up periodic
maintenance)
Change sensor
GB
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