Omicron CT SB2 User Manual page 185

835.xxx Downgrade a firmware below version 3.53 is not supported.
Reason:
Solution:
900.xxx Error [900.xxx] Power supply error. Switch off the device and wait 1 minute to restart.
Reason:
Solution:
901.xxx Warning [901.xxx] Protective earth (PE) connection in power supply cord missing. Connect PE
to equipotential terminal. Lethal voltage may occur on housing and all terminals.
Reason:
Solution:
NOTICE
Equipment damage possible
The device may become damaged if mains supply is galvanically isolated from earth potential.
Comment:
903.xxx Warning [903.xxx] Excessive reverse power, don't disconnect any wires, don't switch off mains,
wait until power is dissipated. ATTENTION: Lethal voltages on output terminals!
Reason:
Solution:
Safety action: All measurements are stopped until reverse power is dissipated.
904.xxx Error [904.xxx] Power supply error. Contact next Omicron service center.
Reason:
Solution:
Safety action: All measurements are stopped.
OMICRON
Attempt for a downgrade to a version number < 3.53.
Make sure that die FW version number for the upgrade/downgrade is not below 3.53.
The output power was larger than 350VA or the power supply is defective.
Switch the CT Analyzer off, wait 1 minute and then switch it on again. If this error occurs
more frequently, you should contact your next OMICRON service center.
Earth wire break, no earth wire connected or device is supplied via an isolation
transformer.
The mains supply does not have reference to protective earth or protective earth is not
connected. The mains supply must have galvanic connection to PE. If you are using an
isolation transformer, connect one supply line of the CT Analyzer to PE.
WARNING
Death or severe injury caused by high voltage possible
► Make sure that the grounding terminal of the device is connected to protective earth
potential. Lethal voltages may occur at the housing otherwise.
If a galvanically isolated mains supply is used, voltage stress may occur for the insulation
system, the device is not constructed for.
always use a mains power cord with a protective earthing conductor connected to PE of
the mains supply. Connect the grounding terminal of the device to protective earth in
order to prevent electric shock caused by lethal voltages possibly present at the housing.
If this error is ignored, the device will probably work but safety is no longer guaranteed.
The device receives excessive reverse power so that the power output had to be
shortened to prevent overload of the internal output stage.
This error is displayed if an excess amount of energy is fed back into the CT Analyzer.
The CT Analyzer discharges the connected inductor with approximately 20Ws, but
depending on the connected inductance the discharge process may take some time.
WARNING
Death or severe injury caused by high voltage possible
Lethal voltages up to many kV may occur.
► Do not disconnect any wires and do not switch off the CT Analyzer.
► Wait until the power is dissipated.
Temperature limit of secondary power supply exceeded.
It is not possible to acknowledge this error until the temperature is back in safe limits. If
this error occurs, please contact your next OMICRON service center.
Error and warning messages
Safety is no longer guaranteed! Therefore,
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