Final Work Steps - Siemens SIREMOBIL Iso-C Maintenance Instruction

Final Result / Quality Inspection and General Maintenance
5.1

Final Work Steps

SIE Protective conductor test
SIE Protective conductor resistance
•
Perform the protective conductor test with the system closed according to
ARTD-002.731.17. Document and evaluate the determined values. The protective
conductor resistance must not exceed 0.2 Ohms.
NOTE
SIE Leakage current
•
Measure the leakage current according to ARTD-002.731.17. Document and evaluate
the determined values. The limit value of 2.5 mA may not be exceeded.
NOTE
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Evaluate the results by comparing the first measured value to the
corresponding values documented during preceding maintenance
procedures or safety checks.
A sudden or unexpected increase in the measured values may in-
dicate a defect in the ground wire connections (ground wire or
contacts) - even if the limit value of 0.2 Ohms is not exceeded.
Evaluate the results by comparing the first measured value to the
corresponding values documented during preceding maintenance
procedures or safety checks.
A sudden or unexpected increase of the measured values may in-
dicate that a fault has occurred in the primary circuit of the power
supply (damaged insulation, damage caused by water ingress or
humidity, defective interference suppressor, etc.) - even if the limit
value of 2.5 mA is not exceeded.
SPR2-230.101.02.06.02
07.05
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SIREMOBIL Iso-C