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Victron Energy Error Codes

Expert reference guide covering all Victron Energy diagnostic codes with comprehensive troubleshooting procedures and professional repair guidance

Quickly identify problems with your Victron Energy system and learn the correct response procedures

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Victron Energy Product Range

Victron Energy produces an extensive lineup of premium power conversion and energy management products for off-grid, mobile, and marine applications. The Multi and Quattro series represent inverter/charger systems, while GX devices (Cerbo GX, Venus GX, Ekrano GX, Cerbo-S GX) provide system monitoring and control. These diagnostic codes are applicable to the majority of Victron Energy products sold worldwide. Error indicators typically manifest as error codes displayed on device displays, LED status indicators, and status messages in VictronConnect app and monitoring systems.

How to Read Error Codes

• Check device display for error codes (e.g., VE.Bus Error 1-26)
• Review LED status indicators on device
• Check VictronConnect app for error messages
• Review monitoring system for status messages
• Consult Victron Energy documentation for your specific product
• Note error code format and any additional information

Victron Energy Product Series

• Multi/Quattro - Inverter/charger systems
• GX Devices - System monitoring and control
• Energy Meters - Power monitoring
• EV Charging Station - Electric vehicle charging
• Smart BatteryProtect - Battery protection
• VictronConnect - Mobile app for system management

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Understanding Diagnostic Codes

Victron Energy systems incorporate sophisticated diagnostic capabilities that automatically detect operational issues. When a problem is identified, the system communicates through error codes displayed on device displays, LED status indicators, and status messages in VictronConnect app and monitoring systems. This intelligent diagnostic framework enables rapid problem identification and helps determine the appropriate response. All Victron Energy products utilize continuous performance monitoring with real-time error detection. Error codes vary by product type: VE.Bus errors (1-26) for Multi/Quattro systems, VictronConnect errors (B98-B106) for app communication, GX device errors (#42, #47, #48), Energy Meter errors (116, 119, 122), EV Charging Station errors (E-01 to E-04), and Smart BatteryProtect errors (E0, E1). Always reference your specific product's documentation for precise code definitions.

VE.Bus Inverter Errors (Multi/Quattro)

Problems with Multi and Quattro inverter/charger systems.

Code	Meaning	Possible Causes	Solutions
VE.Bus Error 1	Internal Error - Internal inverter fault	•Internal inverter fault •Control board issue •Hardware failure •Component malfunction	Attempt inverter restart If error persists, contact Victron Energy support Do not repeatedly restart if error continues Note error code and contact certified installer May require inverter replacement or repair
VE.Bus Error 2	Overtemperature - Inverter temperature exceeds maximum limit	•Insufficient ventilation •Direct sunlight on inverter •High ambient temperature •Blocked air vents •Faulty cooling fan	Improve ventilation around inverter Ensure inverter is not in direct sunlight Check that air vents are not blocked Verify adequate clearance around inverter Check cooling fan operation Allow inverter to cool down before restart Contact installer if temperature remains high after improving ventilation
VE.Bus Error 3	AC Voltage Too High - AC voltage exceeds maximum limit	•Utility grid voltage too high •Grid voltage fluctuations •Transformer tap settings •Grid instability	Check grid voltage with multimeter Verify voltage is within allowable limits Do not attempt to override safety shutdown Contact utility company if voltage is consistently out of range Wait for grid voltage to return to normal range System will automatically reconnect when voltage stabilizes
VE.Bus Error 4	AC Voltage Too Low - AC voltage below minimum limit	•Utility grid voltage too low •Grid voltage fluctuations •Transformer issues •Grid instability	Check grid voltage with multimeter Verify voltage is within allowable limits Do not attempt to override safety shutdown Contact utility company if voltage is consistently out of range Wait for grid voltage to return to normal range System will automatically reconnect when voltage stabilizes
VE.Bus Error 5	AC Frequency Too High - AC frequency exceeds maximum limit	•Grid frequency too high •Grid instability •Frequency fluctuations	Check grid frequency (should be 50Hz or 60Hz depending on region) Verify frequency is within allowable limits Wait for grid frequency to stabilize Contact utility company if frequency is consistently out of range System will automatically reconnect when frequency returns to normal
VE.Bus Error 6	AC Frequency Too Low - AC frequency below minimum limit	•Grid frequency too low •Grid instability •Frequency fluctuations	Check grid frequency (should be 50Hz or 60Hz depending on region) Verify frequency is within allowable limits Wait for grid frequency to stabilize Contact utility company if frequency is consistently out of range System will automatically reconnect when frequency returns to normal
VE.Bus Error 7	Short Circuit - Short circuit detected in AC output	•Short circuit in AC wiring •Faulty load •Wiring error •Overcurrent condition	Check AC wiring for short circuits Remove all loads Check for faulty appliances or devices Verify wiring connections Contact installer if short circuit cannot be located Do not attempt to restart until short circuit is resolved
VE.Bus Error 8	Overload - Inverter output exceeds maximum capacity	•Load exceeds inverter capacity •Too many appliances connected •High starting current •Faulty load	Reduce load to within inverter specifications Check load current requirements Disconnect non-essential loads Check for faulty appliances Verify load is within inverter capacity Contact installer if overload persists
VE.Bus Error 9	DC Voltage Too High - DC input voltage exceeds maximum limit	•Battery voltage too high •Overcharging •Battery cell imbalance •Charging system fault	Check battery voltage with multimeter Stop charging if safe to do so Verify charging system is functioning correctly Check for battery cell imbalance Contact installer if voltage remains high
VE.Bus Error 10	DC Voltage Too Low - DC input voltage below minimum threshold	•Battery voltage too low •Deep discharge •Battery not charged •Battery failure	Check battery voltage with multimeter Begin charging if safe to do so Check battery state of charge Verify battery is functioning correctly Contact installer if voltage remains low
VE.Bus Error 11	Temperature Sensor Defective - Temperature sensor fault	•Faulty temperature sensor •Sensor wiring issue •Internal sensor failure •Communication error	Check temperature sensor connections Verify sensor is functioning Contact Victron Energy support for sensor diagnostics May require inverter service or sensor replacement

VictronConnect App Errors

Problems with VictronConnect app communication and firmware updates.

Code	Meaning	Possible Causes	Solutions
B98	Internal Error - Data size exceeds limits	•Data size too large •Internal app error •Communication buffer overflow	Send service report to Victron Energy Try restarting VictronConnect app Check for app updates Contact Victron Energy support
B99	Firmware Storage Error - Product could not store firmware in memory	•Memory error •Firmware update failure •Storage corruption	Try firmware update again If problem persists, contact Victron Energy Check product memory status May require product service
B100	Internal Error - CRC error	•Data corruption •Communication error •CRC checksum failure	Send service report to Victron Energy Try restarting communication Check connection between app and device Contact Victron Energy support
B101	Internal Error - Data length error	•Data length mismatch •Communication protocol error •Data corruption	Send service report to Victron Energy Try restarting VictronConnect app Check for app updates Contact Victron Energy support
B102	Internal Error - Not allowed	•Operation not permitted •Permission error •Access denied	Send service report to Victron Energy Check app permissions Try restarting VictronConnect app Contact Victron Energy support
B103	Internal Error - Unexpected data length	•Data length mismatch •Communication protocol error •Unexpected response	Try again If problem persists, send service report to Victron Energy Check for app updates Restart VictronConnect app
B104	Internal Error - Unsupported data	•Unsupported data format •Protocol version mismatch •Incompatible data	Try again If problem persists, send service report to Victron Energy Check for app and firmware updates Verify device compatibility
B105	Internal Error - Different versions	•Version mismatch •App and device firmware incompatibility •Protocol version difference	Try again If problem persists, send service report to Victron Energy Update app to latest version Update device firmware to latest version
B106	Firmware Too Old - This firmware is too old	•Outdated firmware •Firmware version incompatibility •App requires newer firmware	Ensure you have the latest firmware version Update device firmware Try again after firmware update Check Victron Energy website for latest firmware

GX Device Errors

Problems with GX devices (Cerbo GX, Venus GX, Ekrano GX, Cerbo-S GX).

Code	Meaning	Possible Causes	Solutions
GX Error #42	Memory Corrupt - Internal flash memory is damaged	•Flash memory corruption •Memory failure •Storage device failure	Device must be sent back for repair or replacement Contact your dealer or installer Do not attempt to repair yourself Backup configuration before sending device
GX Error #47	Data Partition Problem - Internal memory likely damaged, device configuration lost	•Memory corruption •Storage device failure •Configuration data loss	Contact your dealer or installer Device may need repair or replacement Configuration may need to be restored Do not attempt to repair yourself
GX Error #48	DVCC with Incompatible Firmware - DVCC enabled but not all system components have compatible firmware	•Firmware version mismatch •DVCC firmware incompatibility •System component firmware outdated	Check firmware requirements in manual Update all system components to compatible firmware versions Verify DVCC firmware compatibility Contact installer for firmware update assistance

Energy Meter Errors

Problems with Victron Energy Meter devices.

Code	Meaning	Possible Causes	Solutions
Energy Meter Error 116	Calibration Data Lost - Device is defective	•Calibration data corruption •Device failure •Memory error	Contact your dealer for replacement Device is defective and cannot be repaired Do not attempt to repair yourself
Energy Meter Error 119	Settings Defective - Energy Meter cannot read its configuration	•Configuration data corruption •Settings file error •Memory error	Perform factory reset Restore device to factory settings Reconfigure device after reset Contact installer if problem persists
Energy Meter Error 122	kWh Counter Defective - kWh counter is defective	•kWh counter failure •Counter mechanism error •Internal error	Reset kWh counter If problem persists, contact dealer Device may need replacement Contact installer for assistance

EV Charging Station Errors

Problems with Victron EV Charging Station.

Code	Meaning	Possible Causes	Solutions
EVCS E-01	GND Not Present - EVCS detects missing PE (Protective Earth)	•Missing protective earth connection •Grounding fault •Wiring error	Contact your installer immediately Do not use charging station until fixed This is a serious safety condition Professional installation check required
EVCS E-02	Welded Contacts - EVCS detects welded contacts of current relay	•Relay contacts welded •Relay failure •Overcurrent condition	Contact your installer immediately Do not use charging station Relay may need replacement Professional repair required
EVCS E-03	CP Input Short Circuit - EVCS detects short circuit at CP input	•CP input short circuit •Wiring fault •Control pilot circuit error	Contact your installer immediately Do not use charging station Check CP input wiring Professional repair required
EVCS E-04	Fault Current - EVCS detects fault current	•Ground fault •Leakage current •Insulation fault	Contact your installer immediately Do not use charging station This is a serious safety condition Professional diagnosis required

Smart BatteryProtect Errors

Problems with Smart BatteryProtect devices.

Code	Meaning	Possible Causes	Solutions
BatteryProtect E0	Calibration Error - Internal malfunction, calibration data missing or failed	•Calibration data loss •Internal malfunction •Device failure	Contact dealer for support Error cannot be fixed by user Device must be replaced Do not attempt to repair yourself
BatteryProtect E1	Short Circuit - Short circuit protection activated	•Short circuit in load •Overload condition •Excessive inrush current •Faulty load	Check for potential short circuits Ensure load current does not exceed rated value Use BatteryProtect to control remote on/off switch for loads with high inrush currents Remove faulty loads Check wiring for short circuits Contact installer if problem persists

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Critical Safety Notice

Do not attempt DIY repairs on your Victron Energy system. The majority of diagnostic codes relate to high-voltage DC and AC electrical systems, battery systems, or critical safety features. Specific codes requiring immediate professional intervention include: VE.Bus Error 7 (Short Circuit), VE.Bus Error 8 (Overload), EVCS E-01 to E-04 (EV Charging Station errors), and BatteryProtect E1 (Short Circuit). Upon encountering these codes, immediately shut down the system if safe to do so and contact a certified Victron Energy installer or service without delay.

Professional service is mandatory—contact a licensed installer or reach out to Victron Energy technical support for expert assistance.

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Maintenance Guidelines

Scheduled Service Requirements

✓Professional inspection and service annually by certified Victron Energy installer
✓Monthly visual inspection of system components for damage or issues
✓Monitor system performance daily through VictronConnect app
✓Check device status and LED indicators monthly
✓Verify system communication monthly
✓Check battery voltage and state of charge regularly

Proactive Maintenance Strategies

✓Ensure adequate ventilation around inverters and chargers
✓Keep firmware updated for latest features and fixes
✓Monitor battery state of charge and health
✓Review system alerts and error codes promptly
✓Keep VictronConnect app updated
✓Inspect wiring and connections for damage or corrosion

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Frequently Asked Questions

What does VE.Bus Error 7 (Short Circuit) mean?

VE.Bus Error 7 indicates a short circuit detected in AC output. Check AC wiring for short circuits, remove all loads, check for faulty appliances or devices, verify wiring connections, contact installer if short circuit cannot be located, and do not attempt to restart until short circuit is resolved.

What does VE.Bus Error 8 (Overload) mean?

VE.Bus Error 8 indicates that inverter output exceeds maximum capacity. Reduce load to within inverter specifications, check load current requirements, disconnect non-essential loads, check for faulty appliances, verify load is within inverter capacity, and contact installer if overload persists.

What does VictronConnect Error B106 (Firmware Too Old) mean?

B106 indicates that the device firmware is too old. Ensure you have the latest firmware version, update device firmware, try again after firmware update, and check Victron Energy website for latest firmware.

What does GX Error #48 (DVCC with Incompatible Firmware) mean?

GX Error #48 indicates that DVCC is enabled but not all system components have compatible firmware. Check firmware requirements in manual, update all system components to compatible firmware versions, verify DVCC firmware compatibility, and contact installer for firmware update assistance.

What should I do if I see EVCS E-01 (GND Not Present)?

EVCS E-01 indicates that the EV Charging Station detects missing PE (Protective Earth). Contact your installer immediately, do not use charging station until fixed, this is a serious safety condition, and professional installation check is required.

Can I repair my Victron Energy system myself?

High-voltage DC and AC electrical work must exclusively be performed by licensed professionals to ensure safety compliance. Homeowners can safely perform basic tasks like monitoring through VictronConnect app and checking LED indicators, but all technical repairs require certified Victron Energy installers. Unauthorized work on electrical systems poses extreme danger and violates building codes.

What does BatteryProtect E1 (Short Circuit) mean?

BatteryProtect E1 indicates that short circuit protection has been activated. Check for potential short circuits, ensure load current does not exceed rated value, use BatteryProtect to control remote on/off switch for loads with high inrush currents, remove faulty loads, check wiring for short circuits, and contact installer if problem persists.

How often should I check my Victron Energy system?

Monitor your system daily through VictronConnect app, check device status and LED indicators monthly, verify system communication monthly, check battery voltage and state of charge regularly, and perform professional inspection and service annually by a certified Victron Energy installer. Review system alerts and error codes promptly.

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Summary

Proper interpretation of diagnostic codes is essential for effective Victron Energy system troubleshooting. This comprehensive reference enables quick problem identification and guides appropriate response actions. Victron Energy systems utilize error codes displayed on device displays, LED status indicators, and status messages in VictronConnect app and monitoring systems to indicate specific sensor and system malfunctions. Multi, Quattro, GX devices, Energy Meters, EV Charging Stations, and Smart BatteryProtect systems provide diagnostic information through error codes and monitoring systems for convenient diagnosis.

⚠️Complex diagnostic situations, especially those involving high-voltage DC and AC electrical systems, battery systems, and grid connection safety, require immediate professional evaluation. Critical codes demanding urgent response include: VE.Bus Error 7 (Short Circuit), VE.Bus Error 8 (Overload), EVCS E-01 to E-04 (EV Charging Station errors), and BatteryProtect E1 (Short Circuit). These indicators represent serious safety hazards requiring certified Victron Energy installer response. Adherence to scheduled maintenance protocols and immediate attention to diagnostic codes extends equipment service life and minimizes long-term operational costs. Note that error code formats may vary by product model and firmware version—always consult your specific product's documentation for precise interpretations.