HYDAC ELECTRONIC HFS 2500, Руководство по эксплуатации, Страница: 34 / 40

Flow switch HFS 2500 with ATEX approval Page 14
Status 2020/05/19 HYDAC ELECTRONIC GMBH Mat. No.: 669884
10 Fault finding hints
10.1 The switch contact does not react
10.1.1 The switch contact is permanent in break position
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No flow
Check for medium flow
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Flow to low or switch contact adjusted to high
Adjust switch point to a lower flow
Use instrument with different range
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Incorrect reduced (pipe diameter to small)
Reduce according chapter 4
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Float got stuck (polluted)
Clean the instrument and ensure free movement of the float
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Switching contact faulty
Eliminate the reason for the fault (short circuit, overload)
Return instrument for repair and calibration to manufacturer
10.1.2 The switching contact is permanent in made position
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Flow to high and switch contact adjusted to low
Reduce flow
Adjust switch contact to a higher flow
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Float got stuck (polluted)
Clean the instrument and ensure free movement of the float
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Switch contact faulty
Eliminate the reason for the fault (short circuit, overload)
Return instrument for repair and calibration to manufacturer
10.2 Switch point does not match with actual flow
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No medium specific scale
Request a correction table or medium specific scale
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Incorrect reduced (pipe diameter to small)
Reduce according chapter 4
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Instrument polluted
Clean the instrument
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Instrument defect
Return instrument for repair and calibration to manufacturer