Schneider Electric XW Pro NA Operation Guide

60 fault codes documented

F1

AC Output Under Voltage

This Escalating Automatic Fault indicates an AC under-voltage shutdown (below 108 V). If it occurs 3 times in 2 minutes, it becomes a manual fault, meaning the inverter has repeatedly shut down to protect connected loads.

F17

Relay(s) Welded

This Manual Fault indicates that the AC1 L1 transfer relay is faulty, or an external AC source was incorrectly wired directly to the AC output. This can lead to improper power transfer and potential damage to the inverter.

F18

Relay(s) Welded

This Manual Fault indicates that the AC1 L2 transfer relay is faulty, or an external AC source was incorrectly wired directly to the AC output. This can lead to improper power transfer and potential damage to the inverter.

F19

Relay(s) Welded

This Manual Fault indicates that the AC2 L1 transfer relay is faulty, or an external AC source was incorrectly wired directly to the AC output. This can lead to improper power transfer and potential damage to the inverter.

F2

AC Output Over Voltage

This Escalating Automatic Fault indicates an AC over-voltage shutdown (above 135 V). If it occurs 3 times in 30 seconds, it becomes a manual fault, meaning the inverter has repeatedly shut down to protect connected loads.

F20

Relay(s) Welded

This Manual Fault indicates that the AC2 L2 transfer relay is faulty, or an external AC source was incorrectly wired directly to the AC output. This can lead to improper power transfer and potential damage to the inverter.

F21

Relay(s) Welded

This Manual Fault indicates that an unidentified transfer relay is faulty, or an external AC source was incorrectly wired directly to the AC output. This can lead to improper power transfer and potential damage to the inverter.

F22

Relay(s) Welded

This Manual Fault indicates that an unidentified L1 transfer relay is faulty, or an external AC source was incorrectly wired directly to the AC output. This can lead to improper power transfer and potential damage to the inverter.

F23

AI Over Frequency

This Automatic Fault occurs due to an over-frequency anti-islanding condition, detected when the AC frequency exceeds qualification limits. The inverter stops selling power and disconnects from the grid to ensure safety and regulatory compliance.

F24

AI Under Frequency

This fault indicates an under-frequency condition detected by the anti-islanding protection, exceeding the AC qualification limits. This mechanism ensures the inverter disconnects from the grid if grid power is unstable or absent, preventing dangerous backfeeding and potential damage to equipment.

F25

AI Over Frequency

This fault indicates an over-frequency condition detected by the anti-islanding protection. This mechanism ensures the inverter disconnects from the grid if grid power is unstable or absent, preventing dangerous backfeeding and potential damage to equipment.

F26

AI Under Frequency

This fault indicates an under-frequency condition detected by the anti-islanding protection. This mechanism ensures the inverter disconnects from the grid if grid power is unstable or absent, preventing dangerous backfeeding and potential damage to equipment.

F27

AI L1 Over Voltage

This fault indicates an L1 over-voltage condition (135 VAC) detected by the anti-islanding protection, triggering a fast disconnect. This mechanism ensures the inverter disconnects from an unstable grid, protecting both the inverter and grid from potential damage due to excessive voltage.

F28

AI L2 Over Voltage

This fault indicates an L2 over-voltage condition (135 VAC) detected by the anti-islanding protection, triggering a fast disconnect. This mechanism ensures the inverter disconnects from an unstable grid, protecting both the inverter and grid from potential damage due to excessive voltage.

F29

AI L1L2 Over Voltage

This fault indicates an over-voltage condition between L1 and L2 phases detected by the anti-islanding protection, exceeding the AC qualification limits. This mechanism ensures the inverter disconnects from the grid if grid power is unstable or absent, preventing dangerous backfeeding and potential damage to equipment.

F30

AI L1L2 Over Voltage

This fault indicates an L1-L2 over-voltage condition (270 V) detected by the anti-islanding protection, triggering a fast disconnect. This mechanism ensures the inverter disconnects from an unstable grid, protecting both the inverter and grid from potential damage due to excessive voltage.

F31

AI L1 Over Voltage

This fault indicates an L1 over-voltage condition (130 V) detected by the anti-islanding protection, triggering a slow disconnect. This mechanism ensures the inverter disconnects from an unstable grid, protecting both the inverter and grid from potential damage due to excessive voltage.

F32

AI L2 Over Voltage

This fault indicates an L2 over-voltage condition (130 V) detected by the anti-islanding protection, triggering a slow disconnect. This mechanism ensures the inverter disconnects from an unstable grid, protecting both the inverter and grid from potential damage due to excessive voltage.

F33

AI L1L2 Over Voltage

This fault indicates an L1-L2 over-voltage condition (260 V) detected by the anti-islanding protection, triggering a slow disconnect. This mechanism ensures the inverter disconnects from an unstable grid, protecting both the inverter and grid from potential damage due to excessive voltage.

F34

AI L1 Under Voltage

This fault indicates an L1 under-voltage condition (108 V) detected by the anti-islanding protection, triggering a slow disconnect. This mechanism ensures the inverter disconnects from an unstable grid, protecting both the inverter and grid from potential damage due to insufficient voltage.

F35

AI L2 Under Voltage

This fault indicates an L2 under-voltage condition (108 V) detected by the anti-islanding protection, triggering a slow disconnect. This mechanism ensures the inverter disconnects from an unstable grid, protecting both the inverter and grid from potential damage due to insufficient voltage.

F36

AI L1L2 Under Voltage

This fault indicates an L1-L2 under-voltage condition (108 V equivalent based on F34 reference) detected by the anti-islanding protection, triggering a slow disconnect. This mechanism ensures the inverter disconnects from an unstable grid, protecting both the inverter and grid from potential damage due to insufficient voltage.

F37

AI L1 Under Voltage

This fault indicates an L1 under-voltage condition (66 VAC) detected by the anti-islanding protection, triggering a fast disconnect. This mechanism ensures the inverter disconnects from an unstable grid, protecting both the inverter and grid from potential damage due to critically low voltage.

F38

AI L2 Under Voltage

This fault indicates an L2 under-voltage condition (66 VAC) detected by the anti-islanding protection, triggering a fast disconnect. This mechanism ensures the inverter disconnects from an unstable grid, protecting both the inverter and grid from potential damage due to critically low voltage.

F39

AI L1L2 Under Voltage

This fault indicates an under-voltage condition between L1 and L2 phases detected by the anti-islanding protection, exceeding the AC qualification limits. This mechanism ensures the inverter disconnects from the grid if grid power is unstable or absent, preventing dangerous backfeeding and potential damage to equipment.

F41

APS Under Voltage

This is an Escalating Automatic Fault that occurs when the auxiliary power supply experiences an under-voltage shutdown. If this condition triggers 3 times within 30 seconds, it becomes a manual fault, indicating persistent power issues for control circuitry.

F42

APS Over Voltage

This is an Escalating Automatic Fault that occurs when the auxiliary power supply experiences an over-voltage shutdown. If this condition triggers 3 times within 30 seconds, it becomes a manual fault, indicating persistent excessive voltage for control circuitry.

F44

Battery Over Temperature

This Automatic Fault indicates a battery over-temperature shutdown at 60 °C to prevent damage to the battery bank. The XW Pro will recover and enable operation again when the temperature falls to 50 °C.

F45

Capacitor Over Temperature

This Automatic Fault signifies a capacitor over-temperature shutdown at 105 °C, safeguarding internal components from overheating. The fault clears automatically when the capacitor temperature drops to 105 °C.

F46

Controller fault

This Manual Fault indicates an internal controller malfunction, which is a critical system error. Normal operation is inhibited until the issue is addressed.

F47

DC Under Voltage

This Automatic Fault occurs as an immediate DC under-voltage shutdown if the DC voltage drops below 32 V. The fault automatically clears, and the inverter restarts when the DC voltage reaches V+4 V (36V), pointing to potential battery or load issues.

F48

DC Under Voltage

This Automatic Fault indicates a DC under-voltage shutdown that occurs if the DC voltage stays below the Low Battery Cut Out (LBCO) for a specified delay. The inverter restarts when the voltage reaches LBCO + LBCO Hysteresis, suggesting similar troubleshooting steps as F47.

F49

DC Over Voltage

This Escalating Automatic Fault occurs if the DC voltage exceeds the High Battery Cut Out (HBCO) setting. It can also be triggered if batteries are disconnected at the DC breaker while the XW Pro is charging, leading to potential overcharging or damage to connected equipment.

F500

Silicon Serial ID Failure

This Manual Fault indicates a failure related to the Silicon Serial ID, which is a critical internal hardware component. This error typically renders the unit inoperable and requires specialized intervention.

F52

EEPROM Error

This Manual Fault indicates a problem with the Electrically Erasable Programmable Read-Only Memory (EEPROM), which stores critical configuration data. This can lead to configuration loss or incorrect unit operation.

F53

EEPROM Error

This Manual Fault indicates a problem with the Electrically Erasable Programmable Read-Only Memory (EEPROM), which stores critical configuration data. This can lead to configuration loss or incorrect unit operation.

F54

EEPROM Error

This Manual Fault indicates a problem with the Electrically Erasable Programmable Read-Only Memory (EEPROM), which stores critical configuration data. This can lead to configuration loss or incorrect unit operation.

F55

EEPROM Error

This Manual Fault indicates a problem with the Electrically Erasable Programmable Read-Only Memory (EEPROM), which stores critical configuration data. This can lead to configuration loss or incorrect unit operation.

F56

EEPROM Error

This Manual Fault indicates a problem with the Electrically Erasable Programmable Read-Only Memory (EEPROM), which stores critical configuration data. This can lead to configuration loss or incorrect unit operation.

F57

FET1 Over Temperature Shutdown

This Automatic Fault occurs when the internal temperature of FET1 exceeds 105 °C, triggering a shutdown to protect the inverter's power components. The fault clears automatically when the temperature drops to 75 °C.

F58

FET2 Over Temperature Shutdown

This Automatic Fault occurs when the internal temperature of FET2 exceeds 105 °C, triggering a shutdown to protect the inverter's power components. The fault clears automatically when the temperature drops to 75 °C, similar to F57.

F59

GOCFG process failed

This Manual Fault indicates that the auto-configuration process has failed, meaning the unit was unable to correctly configure itself automatically. This typically requires manual intervention to set up the system.

F63

AC Overload

This Escalating Automatic Fault occurs due to an excessive load on the AC output. If triggered 3 times in 5 minutes, it becomes a manual fault, indicating the inverter's capacity is being consistently exceeded.

F64

AC Overload L1

This Escalating Automatic Fault occurs due to an excessive load specifically on AC output line 1. If triggered 3 times in 5 minutes, it becomes a manual fault, indicating that line 1's capacity is being consistently exceeded.

F65

AC Overload L2

This Escalating Automatic Fault occurs due to an excessive load specifically on AC output line 2. If triggered 3 times in 5 minutes, it becomes a manual fault, indicating that line 2's capacity is being consistently exceeded.

F66

System Configuration Fault

This Automatic Fault indicates incorrect multi-unit configuration settings, such as more than one primary unit or non-unique device numbers in a multi-inverter setup. This prevents proper system synchronization and operation.

F67

Watchdog Error

This Manual Fault signals a critical internal software or hardware malfunction detected by the watchdog timer. This error requires specialized attention to resolve.

F68

Transformer Over Temperature

This Automatic Fault occurs when the transformer temperature exceeds 140 °C, leading to a shutdown to prevent damage. The fault automatically clears when the transformer temperature falls to 125 °C.

F69

External Sync Failed

This Manual Fault occurs when the external AC sync port connection or cable is faulty, or something is improperly plugged into the AC sync port in a single-inverter system. This prevents proper synchronization.

F71

Battery Discharge Over Current

This Manual Fault, applicable only to Li-ion batteries, indicates that an excessive load has caused the discharge current to exceed the battery's safe operating limits. This can lead to battery degradation or damage.

F72

External AC Contactor Malfunction

This Manual Fault occurs when the External AC Contactor or a latching relay within the Battery Control System (BCS) is not in its expected commanded state. This signifies a failure in the external AC power path control, impacting power flow.

F73

Battery Charge Over Current

This Manual Fault, applicable only to Li-ion batteries, indicates that the charge current has exceeded the Battery Management System (BMS) limits. This can lead to overcharging and potential damage to the Li-ion battery pack.

F74

Battery Under Voltage

This Manual Fault occurs when the DC bus voltage drops below the BMS reference discharge voltage. This indicates that the battery is either discharged beyond its safe operating limits or there is a connectivity issue on the DC bus.

F75

Battery Over Voltage

This Manual Fault indicates that the DC bus voltage has exceeded the BMS charge reference voltage. This suggests that the battery pack voltage is too high, which could lead to overcharging and damage if not corrected.

F76

External Battery Stop Command

This Automatic Fault means battery charging and discharging have been stopped due to a command received from an external source, such as a Battery Management System (BMS). This indicates an external device has initiated a protective shutdown.

F77

AC Breaker Trip

This Automatic Fault indicates that a primary or secondary AC1 or AC2 breaker has tripped in a multi-unit installation, likely due to an overload condition. The inverter will attempt to auto-clear the fault once the breaker is closed.

F90

BMS Status Lost

This Automatic Fault indicates that the XW Pro is not receiving Battery Management System (BMS) status data from the gateway device. This communication loss can prevent proper battery management and system operation.

F91

SOC Level Lost

This Automatic Fault occurs when the gateway device is not receiving State of Charge (SOC) data from the external BMS or Battery Monitor. This prevents the XW Pro from displaying or utilizing accurate battery charge information.

F92

Gateway Comms Lost

This Automatic Fault indicates that communication with the gateway device has been lost. This is a critical communication error that can hinder overall system monitoring and control.

F93

SunSpec Controller Comms Lost

This Automatic Fault occurs when communication with the SunSpec controller has been lost. This impacts data exchange and control for any SunSpec compliant devices integrated into the system.

Schneider Electric XW Pro NA Operation Guide Fault Codes — Complete Error List | ErrorLib