WIKA A-10 Manual De Instrucciones página 7

4. Mounting / 5. Faults
For instruments with North American certification per UL/CSA IEC 61010-1:
The power supply for the pressure transmitter must be made via a limited-energy circuit in accordance with section 9.4
of UL/IEC/EN 61010-1, or an LPS in accordance with UL/IEC/EN 60950-1/CSA C22.2 no.60950-1 or class 2 per
UL1310/UL1585 (NEC or CEC). The voltage supply must be suitable for operation above 2,000 m should the pressure
transmitter be used at this altitude.
Shielding and grounding
Include the pressure transmitter in the equipotential bonding via the process connection or connect it to ground (earth).
Pin assignment
→ For pin assignments, see product label
5. Faults
CAUTION!
Physical injuries and damage to property and the environment
If faults cannot be eliminated by means of the listed measures, the pressure transmitter must be taken
out of operation immediately.
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Ensure that pressure or signal is no longer present and protect against accidental commissioning.
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Contact the manufacturer.
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If a return is needed, please follow the instructions given in chapter 7.2 "Return".
For contact details, see chapter 1 "General information" or the back page of the operating instructions.
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
WIKA operating instructions pressure transmitter, model A-10
Causes
Cable break
Overpressure limit exceeded
Measures
Check the continuity
Maintain permissible overpressure limit
EN
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