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WIKA operating instructions submersible pressure transmitter, model LH-10
14075011.03 07/2016 EN/DE/FR/ES
EN
8. Faults
In the event of any faults, first check whether the submersible pressure transmitter is mounted correctly, mechanically
and electrically.
Faults
Causes
Measures
No output signal
Cable break
Check the continuity, and if necessary exchange
the cable
No/wrong power supply
Correct the power supply
No/wrong output signal
Wiring error
Rectify the wiring
Signal span too small/drops
Mechanical overload caused by overpres-
sure
Replace instrument; if it fails repeatedly, contact
the manufacturer.
Diaphragm damaged, e.g. due to impacts,
abrasive/aggressive medium; corrosion at
diaphragm; transmission medium missing
Replace instrument; if it fails repeatedly, contact
the manufacturer.
Signal span varies/inaccurate
Operating temperature too high/low
Operate the instrument in the permissible
temperature range
Deviating zero point signal
Operating temperature too high/low
Operate the instrument in the permissible
temperature range
Diaphragm damaged, e.g. due to impacts,
abrasive/aggressive medium; corrosion at
diaphragm; transmission medium missing
Replace instrument; if it fails repeatedly, contact
the manufacturer.
If complaint is unjustified, we will charge you the complaint processing fees.
CAUTION!
If faults cannot be eliminated by means of the measures listed above, shut down the submersible pressure
transmitter immediately, and ensure that pressure is no longer present, and secure the instrument from
being put back into operation inadvertently. In this case, contact the manufacturer. If a return is needed,
please follow the instructions given in chapter 9.2 “Return”.
8. Faults
Summary of Contents for LH-10
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