Faults - WIKA OT-1 Manual De Instrucciones

8. Faults

8. Faults
In the event of any faults, first check whether the pressure transmitter is mounted correctly, mechanically and electrically.
Faults
No output signal
Deviating zero point signal
Deviating zero point signal
Constant output signal upon
change in pressure
Signal span too small
Signal span varies
Signal span varies/inaccurate
Signal span drops/too small
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 instrument
immediately, and ensure that pressure and/or signal are 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".
WIKA operating instructions OEM pressure transmitter, model OT-1
Causes
Cable break
Overpressure limit exceeded
Operating temperature too high/low
Mechanical overload caused by
overpressure
Mechanical overload caused by
overpressure
EMC interference sources in
the environment; for example,
frequency converter
Operating temperature too high/low
Signal span drops/too small
Measures
Check the continuity
Observe the permissible overpressure safety (see
chapter 3 "Specifications")
Observe the permissible temperatures (see chapter 3
"Specifications")
Replace pressure transmitter; if it fails repeatedly, contact
the manufacturer
Replace pressure transmitter; if it fails repeatedly, contact
the manufacturer
Shield the pressure transmitter; cable shield; remove
source of interference
Observe the permissible temperatures (see chapter 3
"Specifications")
Contact manufacturer and replace pressure transmitter
EN
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