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Alarm Messages

Alarm/ Event Severity

Display Text

Description Corrective Action Text
Alarm Warning Ambient temperature high Ambient temperature is high. Please check the environment.
Alarm Warning Ambient temperature out of tolerance Ambient temperature is out of tolerance. Please check the environment.
Alarm Warning Batteries are discharging The load is drawing more power than the UPS can draw from the input, causing the UPS to draw power from the batteries.  
Alarm Warning Battery breaker BB1 open Battery breaker BB1 is open.  
Alarm Warning Battery breaker BB2 open Battery breaker BB2 is open.  
Alarm Warning Battery breaker BB3 open Battery breaker BB3 open.  
Alarm Warning Battery breaker BB4 open Battery breaker BB4 open.  
Alarm Warning Battery condition is poor Battery capacity is lower than 50%. Batteries should be replaced.
Alarm Warning Battery condition is weak Battery capacity is between 50% to 75%.  
Alarm Warning Battery float charge current exceeds expected value The battery float charge current exceeds the expected value and has been limited to avoid thermal runaway.  
Alarm Warning Battery is below minimum acceptable runtime The battery runtime is below configured minimum acceptable value.  
Alarm Critical Battery is not working correctly A battery is not working correctly. Please contact Schneider Electric.
Alarm Warning Battery room ventilation inoperable Input relay indicates that the battery room ventilation is not working correctly.  
Alarm Warning Bonding between neutral and ground missing Bonding between neutral and ground is missing.  
Alarm Warning Breaker MBB closed Maintenance bypass breaker MBB is closed, feeding the load with unprotected power from bypass.  
Alarm Warning Breaker SIB open System isolation breaker SIB is open, and system cannot feed the load.  
Alarm Warning Breaker SSIB open Bypass static switch input breaker SSIB is open, making static bypass operation unavailable.  
Alarm Warning Breaker UIB open Unit input breaker UIB is open, and the UPS is prevented from running in normal operation.  
Alarm Warning Breaker UOB open Unit output breaker UOB is open, and UPS cannot feed the load.  
Alarm Warning Bypass backfeed breaker open Bypass backfeed breaker is open.  
Alarm Warning Bypass frequency out of tolerance Bypass input frequency is out of tolerance. Check bypass input frequency and bypass input frequency setting.
Alarm Warning Bypass phase missing Bypass input is missing a phase. Check bypass input. Please contact Schneider Electric.
Alarm Warning Bypass phase sequence incorrect The phase rotation on bypass input is incorrect. Check bypass input. Please contact Schneider Electric.
Alarm Warning Bypass voltage out of tolerance Bypass input voltage is out of tolerance and UPS is prevented from going into requested bypass mode.  
Alarm Warning Charger shutdown due to high battery temperature The charger has been shut down due to a high battery temperature.  
Alarm Critical EPO Switch Activated An emergency power off (EPO) switch is activated. Deactivate the Emergency Power Off switch.
Alarm Warning External battery monitoring detected fault Input relay indicates external battery monitoring has detected a fault.  
Alarm Critical External energy storage monitoring: Major alarm Input relay indicates external energy storage monitoring has detected a major alarm. Please contact Schneider Electric.
Alarm Warning External energy storage monitoring: Minor alarm Input relay indicates external energy storage monitoring has detected a minor alarm. Please contact Schneider Electric.
Alarm Warning External signal turns charger off: Activated Input contact for charger off is activated.  
Alarm Warning Ground fault detected Input relay indicates that a ground fault has been detected. Please contact Schneider Electric.
Alarm Critical High battery discharge current shutdown The energy storage surveillance has detected a battery discharge current above shutdown limit.  
Alarm Warning High Battery Temperature Level The battery temperature is above the alarm setting. Check the battery temperature. A high temperature may decrease the battery lifetime.
Alarm Critical High battery temperature shutdown The energy storage surveillance has detected a battery temperature above shutdown limit.  
Alarm Warning Input frequency out of tolerance Mains input frequency is out of tolerance. Check input frequency and input frequency setting.
Alarm Warning Input phase missing Input is missing a phase. Check input. Please contact Schneider Electric.
Alarm Warning Input phase sequence incorrect The phase rotation on input is incorrect. Check input. Please contact Schneider Electric.
Alarm Warning Input voltage out of tolerance Mains input voltage is out of tolerance.  
Alarm Warning Internal power module redundancy lost The configured internal power module redundancy is lost because there are not enough power modules available.  
Alarm Warning Inverter is Off due to a request by the user The inverter is off due to a request by the user.  
Alarm Warning Inverter output is not in phase with bypass input The UPS inverter output is not in phase with the bypass input.  
Alarm Warning Load on UPS is above warning level Load on UPS has exceeded the warning level.  
Alarm Warning Low Battery Temperature Level The battery temperature is below the Alarm setting.  
Alarm Warning MBB redundant monitoring not working correctly The two redundant AUX switches of MBB do not report the same status.  
Alarm Warning Neutral displacement detected Neutral displacement has been detected.  
Alarm Warning Output frequency out of tolerance Output frequency is out of tolerance. Check output frequency and output frequency setting.
Alarm Warning Output voltage out of tolerance The output voltage is out of tolerance.  
Alarm Warning Overload on installation The load exceeds 100% of rated installation capacity.  
Alarm Warning Overload on UPS due to high ambient temperature The load exceeds the rated capacity when running with high ambient temperature. Reduce load on system or ambient temperature.
Alarm Warning Overload or short circuit on UPS Reduce load on system or check for output short circuit. The load exceeds 100% of rated capacity or there is a short circuit on the output.
Alarm Warning Parallel breaker status inconsistency detected The status of one or more common parallel breakers is not detected to be the same on all parallel UPS. Replace parallel cable 1.
Alarm Warning Parallel communication lost on PBUS cable 1 PBUS cable 1 may be damaged.  
Alarm Warning Parallel communication lost on PBUS cable 2 PBUS cable 2 may be damaged.  
Alarm Warning Parallel mixed operation mode One or more parallel UPS units are operating in battery operation, while others are operating in normal operation.  
Alarm Warning Parallel redundancy lost The configured parallel redundancy is lost, either because the output load is too high, or because there are not enough parallel UPS units available.  
Alarm Warning Parallel unit not present UPS is unable to communicate with parallel UPS %d. The UPS might have been powered down or PBUS cables may be damaged.  
Alarm Warning PM (X) Power module disabled The power module has been disabled.  
Alarm Warning PM (X) Power module inoperable Power module is inoperable.  
Alarm Critical PM (X) Power module overheated Power module temperature exceeds critical level.  
Alarm Critical PM (X) Power module surveillance detected fault Power module surveillance has detected a fault.  
Alarm Warning Static bypass switch fan inoperable Static Bypass Switch has one or more inoperable fans. Fan redundancy is lost.  
Alarm Critical Static bypass switch inoperable Static bypass switch is inoperable. UPS is prevented from going into static bypass operation.  
Alarm Warning Synchronization unavailable - system is freerunning The UPS is unable to synchronize to the bypass input, external source or parallel system.  
Alarm Critical System locked in bypass operation The system is locked in bypass operation. The system has toggled between inverter operation and bypass operation more than 10 times within 1 minute. Please activate on button to transfer back to normal operation.
Alarm Critical System operation mode - Forced static bypass The system is in bypass in response to a critical event or an inverter off request.  
Alarm Warning System operation mode - Maintenance bypass The system load is supplied through maintenance bypass breaker (MBB).  
Alarm Critical System operation mode - Off The system output power is turned off.  
Alarm Warning System operation mode - Requested static bypass The system is in bypass in response to the UPS front-panel or a user-initiated software command, typically for maintenance.  
Alarm Critical System operation mode - Static bypass standby The system is in static bypass standby operation in response to a critical event or an inverter off request.  
Alarm Warning Temperature of input and/or output transformer is too high Temperature of input and/or output transformer is too high.  
Alarm Warning UOB redundant monitoring not working correctly The two redundant AUX switches of UOB do not report the same status  
Alarm Warning UPS locked in static bypass mode: Activated Input contact for UPS locked in static bypass mode is activated.  
Alarm Warning UPS operation mode - Battery On battery power in response to an input power problem or due to a transfer out of eConversion.  
Alarm Critical UPS operation mode - Forced static bypass The UPS is in forced static bypass.  
Alarm Warning UPS operation mode - Maintenance bypass The UPS load is supplied through Maintenance Bypass Breaker (MBB).  
Alarm Critical UPS operation mode - Off The output power is turned off.  
Alarm Warning UPS operation mode - Requested static bypass The UPS is in bypass in response to the UPS front-panel or a user-initiated software command, typically for maintenance.  
Alarm Warning UPS operation mode - Static bypass standby The UPS is ready to enter static bypass but awaits permission from the system. UPS output is off.  
Alarm Critical UPS surveillance detected fault UPS surveillance has detected a fault. Please contact Schneider Electric.
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