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6. Faults
6. Faults
CAUTION!
Physical injuries and damage to property and the environment
If faults cannot be eliminated by means of the listed measures, the pressure switch must be taken out of
operation immediately.
▶
Ensure that pressure or signal is no longer present and protect against accidental commissioning.
If measuring range scaling is set, despite an analogue value of 4 mA or 0 V, pressure can still be
present.
▶
Contact the manufacturer.
▶
If a return is needed, please follow the instructions given in chapter 8.2 "Return".
WARNING!
Physical injuries and damage to property and the environment caused by hazardous media
Upon contact with hazardous media (e.g. oxygen, acetylene, flammable or toxic substances), harmful
media (e.g. corrosive, toxic, carcinogenic, radioactive), and also with refrigeration plants and compres-
sors, there is a danger of physical injuries and damage to property and the environment.
▶
Should a failure occur, aggressive media with extremely high temperature and under high pressure
or vacuum may be present at the instrument.
▶
For these media, in addition to all standard regulations, the appropriate existing codes or regulations
must also be followed.
▶
Wear the requisite protective equipment (see chapter 3.4 "Personal protective equipment").
For contact details see chapter 1 "General information" or the back page of the operating instructions.
WIKA operating instructions pressure switch, model PSD-4
EN
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