WIKA LF-1 Operating Instructions Manual page 16

6. Faults
Faults
No output signal
EN
Deviating zero point signal
Zero point varies/inaccurate
Signal span varies/inaccurate
Signal span drops/too small
Signal span drops
16
Causes
Cable break
Incorrect power supply connected
Overpressure limit exceeded
Too high/low working temperature
Diaphragm damage
Moisture has entered at the cable end
Cable damaged
Too high/low working temperature
Mechanical overload caused by overpres-
sure
Diaphragm damage
Moisture has entered at the cable end
Cable damaged
WIKA operating instructions submersible pressure sensor, model LF-1
Measures
Check the continuity
Rectify the power supply
Observe the permissible overpressure limit
Observe the permissible temperatures
Replace instrument; if it fails repeatedly,
contact the manufacturer
Fit the cable correctly
Replace instrument; if it fails repeatedly,
contact the manufacturer
Observe the permissible temperatures
Replace instrument; if it fails repeatedly,
contact the manufacturer
Replace instrument; if it fails repeatedly,
contact the manufacturer
Fit the cable correctly
Replace instrument; if it fails repeatedly,
contact the manufacturer