0000649744_02_en

Troubleshoot from the Message List

NOTE: The message list can be customized on request. Not all messages in the list might be shown or might be used in your system.
Message Name Severity Description Possible Source or Action
General  
Urgent alarm Critical One or more urgent alarms are present.
  • One or more alarms requires immediate action. Identify what other alarms are active and check the description/troubleshooting for those alarms.
Non-urgent alarm Warning One or more non urgent alarms are present.
  • One or more alarms requires action. Identify what other alarms are active and check the description/troubleshooting for those alarms.
Common alarm Critical One or more alarms that are configured for the common alarm are present.*
  • One or more alarms requires action or immediate action. Identify what other alarms are active and check the description/troubleshooting for those alarms.
Operation Mode  
Float charge Indication The rectifier float charge mode is active.
Charge (Boost charge) Indication The rectifier boost charge mode is active. The rectifier DC output voltage is higher than float charge voltage.
Equalizing charge Warning The rectifier equalizing charge mode is active. The rectifier DC output voltage is higher than float and boost charge voltage.
  • Check if the connected load is approved for the higher voltage, else switch back to float charge or disconnect the load, see How to Change to Float Charge.
Direct feed Warning The rectifier direct feed mode is active. Battery might not be charged anymore.
Battery operation Warning The batteries are being discharged to supply the load.
  • Check availability of supply mains.
Breaker Status  
Mains circuit breaker open Critical The input breaker is open.
  • Close the input breaker.
Battery circuit breaker open Critical The internal battery breaker and/or the external battery breaker is open.
  • Close the battery breaker(s).
Output mcb tripped Critical The output breaker is open.
  • Close the output breaker.
Surge voltage prot. tripped Warning The AC input surge arrester has tripped.
  • Replace the surge arrester.
Input breaker trip or off Critical One or more individual module input breakers has tripped.
  • Check the module where the input breaker tripped for any indication of possible cause, for example check if the Module fault alarm is active, the logbook and visually inspect the module.
  • Close the breaker and check if the module is running.
Distribution fault Warning One or more outgoing feeders in the system or in an external distribution has tripped
  • Check if the load is ready to be connected and that no short circuit is pending, then close the breaker(s).
Mains circuit breaker open* Critical The input breaker and/or the dual input breaker is open.
  • Close the input breaker(s).
Rectifier Mains  
Mains voltage out of range Warning The rectifier mains input is out of tolerance. Depending on the cause the modules might not run.
  • Unstable rectifier mains input.
  • The input voltage (average) is out of tolerance.
  • Check wiring at the rectifier mains input terminal.
Mains error Warning The rectifier mains input is not available. The modules cannot operate.
  • Unstable rectifier mains input.
  • The input voltage (average) is out of tolerance.
  • The input frequency is out of tolerance.
  • At least one phase is not connected.
  • Check wiring at the rectifier mains input terminal.
Modules / Output
Module fault Warning/Critical* One or more modules are inoperable.
  • Check the status of the modules, for more information see .
Fan fault Warning At least one of the fans is rotating too slowly or is inoperable.
  • Check the status of the modules, for more information see .
  • Replace the inoperable module.*
Device temperature high Warning One or more rectifier modules are above the high  temperature level.
  • Check the cabinet temperature.
  • Check that the cabinet air inlet/outlet are not covered.
  • Check the systems total load.
Converter overtemperature shutdown Critical One or more rectifier modules are above the temperature shutdown level.  The modules will run with reduced output power.
  • Check the cabinet temperature.
  • Check that the cabinet air inlet/outlet are not covered.
  • Check the systems total load.
Output voltage out of range Critical The output voltage is above or below the tolerance level.
  • Check if the rectifier modules are running.
  • Check that the rectifier mains is available.
  • Check if that battery is connected.
  • Check battery charge status.
Converter overvoltage shutdown Critical One or more modules switched OFF because of too high output voltage.*
  • To fully restart a module it has to be disconnected from the system back plate. Loosen the module screw and pull out the module about 1-2 cm. Wait a minute and insert the module and tighten the screw.
Output power warning Warning One or more rectifier modules have reached power limitation (modules are overloaded).
  • Reduced fan speed or inoperable fan.
  • High module temperature.
  • Rectifier mains input is too low/out of tolerance.
  • The system is overloaded.
  • If necessary, replace the inoperable module.
Current limiting Warning One or more rectifier modules have reached current limitation (modules are overloaded).
  • Reduced fan speed or inoperable fan.
  • High module temperature.
  • Rectifier mains input is too low/out of tolerance.
  • The system is overloaded.
  • If necessary, replace the inoperable module.
Battery  
Earth fault plus circuit Warning Leakage current from the positive pole detected.
  • DC output mains is floating (IT), a single/first DC earth fault is not critical. Check the installation in view of positive earth fault.
Earth fault minus circuit Warning Leakage current from the negative pole detected.
  • DC output mains is floating (IT), a single/first DC earth fault is not critical. Check the installation in view of negative earth fault.
Battery current limitation active Indication The battery charging current has reached its maximum limit. The rectifier will regulate the DC output current to not overcharge the batteries with a too high charging current.
  • The battery is heavily discharged.
Battery test Indication The battery test is running.
Battery test error Critical The battery is discharged or weak. The battery is unable to supply the DC load in case of an AC failure.
  • Check the battery bank.
  • If there is no visual damage to the batteries, it might help to enable boost charge or equalize charge for a limited period.*
  • If necessary, replace battery cells.
Battery test not allowed Indication The conditions to start the battery test is not meet.
  • Check conditions for the battery test.
  • Wait until the conditions are meet.
Battery circuit test failed Critical The battery is discharged, weak or not correctly connected. The battery is unable to supply the DC load in case of an AC failure.
  • Check that the battery breaker(s) are closed.
  • Check the battery cables and connections.
  • Check the condition of the battery cells.
Battery circuit test blocked Indication The conditions to start the battery circuit test is not meet.
  • Check conditions for the battery test.
  • Wait until the conditions are meet.
Temperature sensor fault Warning No signal available from the temperature sensor.
  • Check the temperature sensor cable and connection.
  • Check the temperature sensor for damage.
  • If necessary, replace the battery temperature sensor.
Output voltage high Warning The system output voltage is above the set high voltage level.
  • Module output voltage is too high.
DC voltage low Warning The DC  voltage is below the set low voltage level.
  • Check connection to the battery, it might be open or interrupted.
  • The battery is discharged.
Battery exhaustive discharged Critical The battery is discharged. The connection between the battery and the load must be opened to avoid permanent damage to the battery.
  • The battery needs to be charged.
Redundancy and Blocks  
Current redundancy error Critical Only for redundant N+x and N+N module configurations. The redundancy is currently not available because of some inoperable modules. (Calculated based on output current).
  • Replace the inoperable modules.
Address redundancy error Critical Only for redundant N+x and N+N module configurations. The redundancy is currently not available because of some inoperable modules. (Calculated based on number of modules).
  • Replace the inoperable modules.
Address redundancy warning Warning Only for redundant N+x and N+N module configurations. The redundancy is currently reduced because of some inoperable modules. (Calculated based on number of modules).
  • Replace the inoperable modules.
Boost charging blocked Indication Boost charge mode is blocked. The mode can be blocked by an external/internal signal.
  • Check the customized condition that blocks the boost charge mode.
Equalize charging blocked Indication Equalizing charge mode is blocked. The mode can be blocked by an external/internal signal.
  • Check the customized condition that blocks the equalizing charge mode.
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