Troubleshooting Guide - Siemens SENTRON PAC3200T Product Manual

Service and maintenance

7.4 Troubleshooting guide

7.4 Troubleshooting guide
Remedies for the resolution of faults
Fault
Device is not working
Voltage or current measured values are not
displayed
Voltage values are not plausible
Current values are not plausible
No communication
"Overload" LED flashes red
Power values are incorrect, although voltage
and current are correctly applied
If the device fault cannot be remedied by the measures given above, the device is probably
defective.
More help can be found on the Internet.
assistance)
If the device is defective, please proceed as follows:
• See chapter Warranty (Page 75) if the device has become defective within the warranty
period.
• If the device has become defective outside the warranty period, the device must be
disposed of in accordance with local disposal regulations.
See also
Parameterizing the device (Page 54)
74
Remedies
• Check power supply
• Check supply voltage
• Check fuse
• Check fuse
• Check configuration
(see Parameterizing the device (Page 54))
• Check the voltage transformer setting and correct if necessary
• Check the current transformer setting and correct if necessary
• Check the communication settings
(incorrect IP address, incorrect subnet or gateway?)
• Check firewall, if present
(possibly preventing communication to the Modbus ports)
• Voltage or current input overridden. Check parameters of the
measuring voltage
• Check installed current transformer
(dimensioning too small)
• Check voltages and currents of the phases
(not properly connected to one another)
• Check the current transformer
(for incorrect polarity)
(https://www.siemens.de/lowvoltage/technical-
Equipment Manual, 09/2022, L1V30415168B-03