Operating Manual PG11 / PGE11 Page 36
9.4 Specific conditions of use
• Flameproof joints are not intended to be repaired.
• The user must always ensure that the measuring function complies with the requirements from the
relevant harmonized standards which provide guidance on the performance of Gas detection
equipment and Safety devices.
• The equipment shall be connected to a power supply with an output of maximum 50 VDC
complying with:
o a SELV or PELV system, or
o via a safety isolating transformer complying with the requirements of IEC 61558-2-6, or
technically equivalent standard, or
o directly connected to apparatus complying with the IEC 60950 series, IEC 61010-1, or a
technically equivalent standard, or
o fed directly from cells or batteries.
10 Troubleshooting
Do not return the Gas detector to the supplier for repair if the procedure below has not been performed.
Below is the Fault finder diagram. Before performing the Fault finder it is recommended to check the
Detector Error code by connecting with HART of MODBUS interfaces and look up the recommended fix in
table 5
.
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