Alarm Messages

Display text	Description	Corrective action
Air filter check required	The air filter service life has expired and requires a check.	Replace the air filter.
Battery boost charging	The batteries are charged with the configured boost charge voltage.
Battery connected	The batteries are connected.
Battery discharging	The load is drawing more power than the UPS can draw from the input, causing the UPS to draw power from the batteries.	Reduce the load. Contact Schneider Electric.
Battery disconnected	The batteries are not connected.	Connect the batteries.
Battery end of discharge	The battery capacity is below the minimum acceptable value.	Recharge the batteries.
Battery float charging	The batteries are charged with the configured float charge voltage.
Battery log reset	Reset the battery log.
Batt maint incomplete	The battery maintenance test was not passed.
Battery maintenance	Battery maintenance test has started.
Battery maintenance OK	The battery maintenance test has been successfully completed.
Battery overvoltage	The battery voltage exceeds the limit.	Check the battery voltage.
Battery temperature high	The battery temperature is too high.	Check the battery temperature.
Battery test	Battery test has started.
Battery test incomplete	The battery test was not passed.
Battery test OK	The battery test has been successfully completed.
Battery voltage low	Low voltage on battery.	Check the battery.
Battery wiring incorrect	The battery wiring is incorrect.	Check the battery wiring. Contact Schneider Electric.
Battery/charger inoperable	The battery or charger is inoperable.	Check the battery. Check the charger. Contact Schneider Electric.
Bypass frequency exceeds limits	The bypass frequency exceeds the limit.	Check the status of the bypass source. Contact Schneider Electric.
Bypass out of tolerance	The bypass voltage is out of tolerance.	Check the status of the bypass source. Contact Schneider Electric.
Bypass overload	The load is drawing more power than the bypass source can supply.	Reduce the load. Contact Schneider Electric.
Bypass overload timeout	The UPS can no longer support a Bypass overload situation.	Reduce the load. Contact Schneider Electric.
Bypass sequence incorrect	The phase rotation on bypass is incorrect.	Check the status of the bypass source. Contact Schneider Electric.
Bypass unavailable	The bypass source is not available.	Check the status of the bypass source. Contact Schneider Electric.
Alarm cleared	Clear the alarm.
Log cleared	Clear the log.
DC bus low voltage	Low voltage on the DC bu.
DC bus overvoltage	Overvoltage on the DC bus.
Dry input contact turns off charger	The dry input contact turns off the charger.
EPO	An EPO (emergency power off) device is activated.	Deactivate the EPO (emergency power off) device.
Fan inoperable	The UPS has one or more inoperable fans.	Check the fans. Contact Schneider Electric.
Firmware version incompatible	The firmware version of the inverter is detected as incompatible with the firmware version of the rectifier.	Check if the firmware version for the inverter and the rectifier is the latest. Perform a firmware update on the inverter or the rectifier.
Frequency converter mode	The UPS is in frequency converter mode.
Generator input	Generator is supplying the UPS.
Inconsistent number of parallel	The configured number of parallel units does not match the actual number of units in the parallel system.	Check and set the number of parallel units.
Inconsistent parallel settings	The parallel settings are set incorrectly.	Check for inconsistent parallel settings in Configure > Ratingand Configure > Output. Set them correctly. Contact Schneider Electric.
Inlet temperature high	Air inlet temperature is too high.	Check the status of the air inlet. Reduce the room temperature.
Inlet temperature sensor inoperable	No inlet temperature sensor is present.	Check the status of the inlet temperature sensor.
Input current unbalanced	Input current is unbalanced.	Check the status of the input source. Contact Schneider Electric.
Input neutral unavailable	Input neutral is not available.	Check the status of the input neutral. Contact Schneider Electric.
Input overcurrent timeout	The UPS can no longer support an Input overcurrent situation.	Check the status of the input source. Contact Schneider Electric.
Inverter high temperature	Inverter temperature is too high.	Check the status of the inverter. Contact Schneider Electric.
Inverter IGBT inoperable	The inverter IGBT is inoperable.	Check the status of the inverter IGBT. Contact Schneider Electric.
Inverter inoperable	The inverter is inoperable.	Check the status of the inverter. Contact Schneider Electric.
Inverter shutdown	The inverter is shutting down.
Inverter data CAN incorrect	Inverter data CAN is incorrect.
Inverter firmware incompatible	The inverter firmware is incompatible with the UPS.
Inverter firmware upgrade	The inverter firmware has been upgraded.
Inverter IO CAN incorrect	Inverter IO CAN is incorrect.
Inverter overload	The inverter is overloaded.	Check the status of the inverter. Contact Schneider Electric.
Inverter overload timeout	The UPS can no longer support an Inverter overload situation.	Check the status of the inverter. Contact Schneider Electric.
Inverter protection	The UPS has turned on the inverter protection.	Check the inverter voltage or current.
Load on bypass	The UPS is in static bypass operation and the load is supplied by the bypass source.
Load disconnected	The load has been disconnected or the unit output disconnect device UOB is open.	Check the load. Close the unit output disconnect device UOB.
Load on inverter	The UPS is in inverter operation mode and the load is supplied by the UPS.
Low battery shutdown	The UPS is shutting down due to battery end of discharge	Recharge the batteries and restart the UPS. If autostart mode is configured, the UPS will start automatically restart when the mains return.
Main power supply not available	The main power supply is not available.	Check the availability of the main power supply.
Manual boost charge	The UPS is in the manual boost charge mode.
Manually exit bypass	The UPS exits the bypass operation mode manually.
Manual float charge	The UPS is in the manual float charge mode.
Manual transfer to inverter	Manual transfer to inverter operation.
Manual transfer to bypass	Manual transfer to bypass operation.
Manual shutdown	Manual shutdown.
MBB closed latch	The maintenance bypass disconnect device MBB is closed, supplying the load with unprotected power from the bypass source.
MBB open	The maintenance bypass disconnect device is open.
Module ID duplicate	The module ID has a duplicate. The module ID must be unique.	Check the ID of the modules.
Nominal power out of tolerance	The nominal power does not match the UPS hardware.	Check the status of the input source. Contact Schneider Electric.
Outlet temperature high	Air outlet temperature is too high.	Check the status of the air outlet. Contact Schneider Electric.
Outlet temperature sensor inoperable	No outlet temperature sensor present or the outlet temperature sensor is inoperable.	Check the status of the outlet temperature sensor.
Output relay disconnected	An output relay is disconnected.	Check the status of the output relays. Contact Schneider Electric.
Output relay short-circuit	An out put relay has short-circuited.	Check the status of the relays. Contact Schneider Electric.
Output short circuit	A short circuit is present on the output.	Check the status of the output. Contact Schneider Electric.
Output voltage detection unsuccessful	The output voltage could not be detected.	Check the output voltage.
Parallel cabling incorrect	The parallel cabling is incorrect.	Check the status of the parallel cables. Contact Schneider Electric.
Power sharing incorrect	The power sharing between the UPS units is incorrect.	Please check the load sharing on the UPS units. Redistribute the load between UPS units. Contact Schneider Electric.
Prohibit transferring to inverter	Transferring to inverter operation is prohibited.
PWM synchronization unavailable	The PWM synchronization is unavailable.	Check the status of the PWM sync. Contact Schneider Electric.
Rectifier firmware upgraded	The rectifier firmware has been upgraded.
Rectifier soft start incomplete	The rectifier soft start is incomplete.	Check the status of the rectifier. Contact Schneider Electric.
Rectifier high temperature	The rectifier temperature is too high.	Check the status of the rectifier. Contact Schneider Electric.
Rectifier inoperable	The rectifier is inoperable.	Check the status of the rectifier. Contact Schneider Electric.
Rectifier overload	The rectifier is overloaded.	Check if the rectifier is overloaded. Contact Schneider Electric.
Room temperature high	The room temperature is high.	Reduce the room temperature.
Save settings	Settings have been changed.
SPI communication inoperable	SPI communication is lost between the rectifier and the inverter.	Check the SPI communication between the rectifier and the inverter.
Stop test	Stop the test.
Surge protection abnormal	The SPD (surge protection device) is abnormal.	Contact Schneider Electric.
Synchronization pulse unavailable	Sync pulse is unavailable. The UPS is not able to synchronize.	Check the sync pulse. Contact Schneider Electric.
System overload	The load is drawing more power than the UPS system can supply.	Reduce the load. Contact Schneider Electric.
System setting incorrect	The system settings are incorrect.	Check the system settings. Contact Schneider Electric.
Technical check recommended	A technical check is recommended.	Contact Schneider Electric.
The battery self-test conditions are not met.	The battery self-test conditions are not met.
Transfer to bypass not allowed	Transferring to bypass is not allowed.
Transfers exceed limit	There have been too many transfers between operation modes in a given time period.	Contact Schneider Electric.
Utility voltage exceeds limit	The detected transient input voltage input has exceeded the specified safety limit.	Adjust the main power supply voltage to the allowable range.
Warranty expired	Warranty is expired.	Contact Schneider Electric.