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Tesla Energy Error Codes

Complete Australian reference for Tesla Energy diagnostic codes with professional troubleshooting guidance and repair solutions

Identify issues with your Tesla Energy system and understand proper response procedures for Australian installations

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Tesla Energy System Models in Australia

Tesla Energy offers a comprehensive range of premium energy storage and solar systems designed for Australian residential installations. The Powerwall series delivers advanced battery storage technology with seamless integration compatible with Australian grid standards (230V single-phase / 400V three-phase, 50Hz), while Solar Roof provides integrated solar generation. Backup Gateway manages system operation and grid connection. These diagnostic codes and status messages apply to Tesla Energy systems installed across Australia and comply with AS/NZS 4777.2 grid connection standards. All Tesla Energy systems installed in Australia must be installed by CEC (Clean Energy Council) accredited installers. Error indicators appear as status messages in the Tesla mobile app, LED indicators on inverters, and system alerts in the monitoring portal, providing comprehensive diagnostic information for system operators and installers.

Reading Error Codes

• Check Tesla mobile app for system alerts and status messages
• Review inverter LED status (white = normal, red = error)
• Check Backup Gateway status and connection
• Review system status in Tesla app dashboard
• Consult Tesla documentation for your specific model

Tesla Energy Product Series

• Powerwall - Advanced battery storage systems (230V/400V, 50Hz)
• Powerwall+ - Integrated inverter and battery
• Solar Roof - Integrated solar generation
• Backup Gateway - System management and grid connection
• Tesla Solar Panels - High-efficiency solar modules

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Understanding Tesla Energy Diagnostic Codes

Tesla Energy systems feature sophisticated diagnostic capabilities that continuously monitor system performance and automatically detect operational issues. When a problem is identified, the system communicates through multiple channels: status messages in the Tesla mobile app, LED indicators on inverters, and system alerts in the monitoring portal. This comprehensive diagnostic framework enables rapid problem identification and helps determine appropriate response procedures. All Tesla Energy systems (Powerwall, Powerwall+, Solar Roof, Backup Gateway) utilise continuous performance monitoring with real-time error detection. Status messages may appear as informational (requiring no action), warnings (requiring attention), or errors (requiring immediate action). Tesla Energy systems in Australia operate at 230V single-phase or 400V three-phase at 50Hz, complying with AS/NZS 4777.2 standards. Always reference your specific system's documentation for precise message definitions and model-specific information.

Australian Standards Compliance: Tesla Energy systems installed in Australia must comply with AS/NZS 4777.2 grid connection standards and be installed by Clean Energy Council (CEC) accredited installers. All electrical work must be performed by licensed electricians in accordance with Australian wiring rules (AS/NZS 3000).

Powerwall System Status Messages

Status messages and operational states for Powerwall battery systems.

Code	Meaning	Possible Causes	Solutions
Powerwall Balancing	Powerwall is balancing charge state between units to ensure optimal connection	•Normal operation after installation •Automatic balancing process •Multiple Powerwall units synchronising	No action required - balancing occurs automatically Process typically takes up to 6 hours System can charge or discharge during balancing Backup power remains available during this process This usually occurs immediately after installation and rarely during normal operation
Calibration Running	Powerwall is performing routine calibration to optimise performance	•Normal calibration cycle •System optimisation •Battery management system calibration	No action required - calibration occurs automatically Process can take up to 24 hours Powerwall may discharge below backup reserve during calibration Solar charging may not be possible during calibration Backup power remains available during this process
Powerwall Disabled	Internal error has disabled one or more Powerwall functions	•Internal Powerwall fault •Battery management system error •Hardware failure •Safety system activation	Turn OFF the Powerwall ON/OFF switch Contact your CEC-accredited installation contractor to schedule replacement Do not attempt to restart if error persists Note error details for service technician Professional service by CEC-accredited installer required

Power and Connection Errors

Issues with power supply and electrical connections.

Code	Meaning	Possible Causes	Solutions
Circuit Breaker Open	Powerwall is disconnected from home electrical system and cannot operate	•Circuit breaker turned off •Breaker tripped •Manual disconnect •Electrical fault	Check circuit breaker that connects Powerwall to home Turn breaker back ON if it was turned off If breaker trips again, do not reset repeatedly Check for electrical faults before resetting Contact CEC-accredited installer if breaker continues to trip
Side Switch OFF	Powerwall is turned off and not supplying power to home	•Side switch on Powerwall turned off •Manual shutdown •Maintenance mode	Check side switch on Powerwall unit Turn side switch ON to enable Powerwall Verify switch is in correct position Check if system is in maintenance mode
Rapid Shutdown OFF	Rapid shutdown device is off, preventing Powerwall or solar inverter from operating	•Rapid shutdown switch turned off •Safety shutdown activated •Emergency stop activated	Check rapid shutdown device Turn rapid shutdown device ON if needed Verify rapid shutdown switch position Contact CEC-accredited installation contractor to check if service appointment is needed Do not bypass rapid shutdown for safety

Solar and Inverter Errors

Issues with solar generation and inverter operation.

Code	Meaning	Possible Causes	Solutions
Solar Generation Limited	System error causing one or more solar inverters to not generate power	•Inverter fault •DC disconnect issue •Inverter communication error •Inverter overheating •Grid connection issue	Contact CEC-accredited installation contractor to schedule on-site inspection Check inverter status in Tesla app Verify DC connections are secure Check for inverter error indicators Review solar production data in app Do not attempt to repair inverter yourself
Inverter Blinking Red	Inverter error detected - inverter is not operating normally	•Inverter internal fault •Communication error •Grid connection issue •DC voltage problem •Overheating	Check inverter LED status Review error messages in Tesla app Check DC connections and wiring Verify inverter is receiving DC power Check for overheating or ventilation issues (critical in Australian summer) Contact CEC-accredited installer for diagnosis
Inverter Completely White	Inverter in normal operation mode	•Normal operation	No action required - system operating normally Continue monitoring system performance
Inverter Glowing White	Inverter in idle mode - waiting for conditions to generate power	•Low solar irradiance •Nighttime operation •Normal idle state	No action required - normal operation Inverter will begin generating when solar conditions improve
Inverter Off	Inverter is turned off or in standby mode	•Inverter turned off •Standby mode •No DC power •System shutdown	Check if inverter is intentionally turned off Verify DC power is available Check system status in Tesla app Contact CEC-accredited installer if inverter should be operating

Gateway and Communication Errors

Issues with Backup Gateway and system communication.

Code	Meaning	Possible Causes	Solutions
Gateway Offline	Backup Gateway is not communicating with Tesla servers	•Internet connection failure •WiFi connection lost •Gateway power loss •Network configuration issue •Gateway hardware failure	Check local internet connection is active Verify WiFi connection to Gateway Check Gateway power supply Update WiFi connection per Tesla support instructions Restart Gateway if needed Check router and network settings Contact CEC-accredited Tesla installer if connection cannot be restored
No Communication with Powerwall	Gateway cannot communicate with Powerwall units	•Communication wire break •Powerwall communication issue •Gateway communication problem •Network segment failure	Check communication wiring between Gateway and Powerwall Verify Powerwall units are powered Check Gateway status Restart Gateway to refresh communication Contact CEC-accredited installer if communication cannot be restored
App Connection Error	Tesla app cannot connect to system or shows connection errors	•Internet connection issue •App needs update •Gateway offline •Server connectivity problem	Update Tesla app to latest version Check device internet connection Verify Gateway is online Restart mobile device Check Tesla server status Re-login to Tesla app if needed

Battery and Charging Errors

Issues with Powerwall battery operation and charging.

Code	Meaning	Possible Causes	Solutions
Battery Not Charging	Powerwall is not accepting charge from solar or grid	•Battery at full charge •Battery temperature limits •Charging disabled in settings •Battery communication issue •System controller problem	Check battery state of charge in Tesla app Verify battery temperature is within operating range Review battery settings and charging preferences Check Backup Gateway status Verify battery communication with Gateway Restart system if needed Contact CEC-accredited Tesla installer if battery consistently fails to charge
Battery Not Discharging	Powerwall not providing power when expected	•Battery empty •Backup mode active •Discharging disabled in settings •Battery communication issue •System controller problem	Check battery state of charge in Tesla app Verify system is not in backup-only mode Review battery settings and discharge preferences Check Backup Gateway status Verify battery communication with Gateway Check for grid power availability Contact CEC-accredited Tesla installer if battery consistently fails to discharge
Battery Temperature Warning	Powerwall battery temperature outside optimal range	•High ambient temperature •Insufficient ventilation •Battery overheating •Extreme cold conditions	Check ambient temperature around Powerwall Ensure adequate ventilation around unit (critical in Australian summer) Verify Powerwall is not in direct sunlight Check for blocked air vents Allow battery to cool or warm to operating range Contact CEC-accredited installer if temperature issues persist

Grid and Backup Errors

Issues with grid connection and backup power operation.

Code	Meaning	Possible Causes	Solutions
Grid Disconnected	System has lost connection to utility grid	•Grid power outage •Main breaker tripped •Utility disconnect •Grid failure	Verify grid power is actually lost Check main breaker for system System should automatically switch to backup mode Wait for grid power to be restored System will automatically reconnect when grid is restored If grid is normal, contact CEC-accredited installer to check grid connection
Backup Not Available	Backup power is not available when needed	•Battery empty •Backup mode disabled •System error •Gateway issue	Check battery state of charge Verify backup mode is enabled in settings Check Backup Gateway status Review system alerts in Tesla app Contact CEC-accredited installer if backup should be available but is not
Grid Voltage Out of Range	Utility grid voltage exceeds safe operating limits	•Utility grid voltage too high •Utility grid voltage too low •Grid instability •Voltage fluctuations •High solar penetration causing voltage rise	Do not attempt to override safety shutdown Check utility grid voltage with calibrated multimeter (should be 230V ±10% for single-phase, 400V ±10% for three-phase) Contact your DNSP (Distribution Network Service Provider) to report voltage issues Request DNSP to lower tap transformer if voltage consistently exceeds 253V (single-phase) or 440V (three-phase) Wait for grid voltage to return to normal range System will automatically reconnect when voltage stabilises within acceptable limits Contact CEC-accredited installer if voltage issues persist

System Configuration Errors

Issues with system setup and configuration.

Code	Meaning	Possible Causes	Solutions
System Not Commissioned	System has not been properly commissioned or setup incomplete	•Installation not completed •Commissioning process incomplete •Configuration missing •Setup error	Contact CEC-accredited installation contractor to complete commissioning Do not attempt to commission system yourself Professional installation and commissioning by CEC-accredited installer required Verify all system components are properly installed
Settings Not Applied	System settings changes are not being applied	•Communication error •Gateway offline •Settings conflict •System update in progress	Check Gateway connection status Verify internet connection Wait for system update to complete Try applying settings again Contact CEC-accredited Tesla installer if settings continue to fail

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Critical Safety Notice

Do not attempt DIY repairs on your Tesla Energy system. The majority of diagnostic codes relate to high-voltage DC and AC electrical systems, battery storage, grid connection safety mechanisms, or critical communication components. Specific codes requiring immediate professional intervention include: Powerwall Disabled, Rapid Shutdown OFF, and any inverter errors. Upon encountering these codes, immediately shut down the system if safe to do so and contact a CEC-accredited Tesla Energy installer without delay.

Professional service by CEC-accredited installers is mandatory—contact a licensed solar installer or reach out to CEC-accredited Tesla Energy installer for expert assistance.

Australian Requirements: All Tesla Energy system repairs must be performed by Clean Energy Council (CEC) accredited installers in accordance with AS/NZS 4777.2 and Australian wiring rules (AS/NZS 3000). Unauthorised work on electrical systems poses extreme danger and violates Australian electrical safety regulations.

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Maintenance Guidelines for Australian Installations

Scheduled Service Requirements

✓Professional inspection and service annually by CEC-accredited Tesla Energy installer
✓Monthly visual inspection of solar panels for damage, soiling, or bird droppings
✓Clean panels quarterly or as needed based on local conditions (dust, pollen, coastal areas)
✓Monitor system performance daily through Tesla app
✓Check Backup Gateway status and internet connection monthly
✓Verify Powerwall units are reporting in Tesla app

Proactive Maintenance Strategies

✓Keep panels clean to maximise energy production
✓Trim trees and vegetation to prevent shading
✓Ensure adequate ventilation around Powerwall units (critical in Australian summer)
✓Monitor production trends for early problem detection
✓Keep Tesla app updated for latest features
✓Review system alerts and notifications promptly

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Frequently Asked Questions

What does "Powerwall Balancing" status mean?

Powerwall Balancing indicates that the system is automatically balancing the charge state between multiple Powerwall units to ensure optimal connection. This is a normal process that typically takes up to 6 hours and usually occurs immediately after installation. The system can charge or discharge during balancing, and backup power remains available. No action is required - the balancing occurs automatically.

What should I do if I see "Powerwall Disabled" error?

Powerwall Disabled indicates that an internal error has disabled one or more Powerwall functions. Turn OFF the Powerwall ON/OFF switch and contact your CEC-accredited installation contractor to schedule replacement. Do not attempt to restart if the error persists. Note error details for the service technician. Professional service by CEC-accredited installer is required.

What does "Circuit Breaker Open" mean?

Circuit Breaker Open indicates that the Powerwall is disconnected from your home electrical system and cannot operate. Check the circuit breaker that connects the Powerwall to your home and turn it back ON if it was turned off. If the breaker trips again, do not reset repeatedly. Check for electrical faults before resetting and contact a CEC-accredited installer if the breaker continues to trip.

How do I check if my solar inverters are working?

Check inverter status in the Tesla app and review inverter LED indicators. A completely white LED indicates normal operation, glowing white indicates idle mode, and blinking red indicates an error. Check solar production data in the app to ensure inverters are generating power. Review system alerts for any inverter-related messages.

Can I repair my Tesla Energy system myself?

High-voltage DC and AC electrical work must exclusively be performed by CEC-accredited licensed professionals to ensure safety compliance with Australian standards. Homeowners can safely perform basic tasks like cleaning panels and monitoring the Tesla app, but all technical repairs require certified CEC-accredited Tesla Energy installers. Unauthorised work on electrical systems poses extreme danger and violates Australian electrical safety regulations and building codes.

What should I do if my Gateway is offline?

If your Backup Gateway is offline, check that your local internet connection is active, verify WiFi connection to the Gateway, check Gateway power supply, update WiFi connection per Tesla support instructions if needed, restart the Gateway, and check router and network settings. Contact CEC-accredited Tesla installer if the connection cannot be restored.

What does "Solar Generation Limited" mean?

Solar Generation Limited indicates that a system error is causing one or more solar inverters to not generate power. Contact your CEC-accredited installation contractor to schedule an on-site inspection. Check inverter status in the Tesla app, verify DC connections are secure, check for inverter error indicators, and review solar production data. Do not attempt to repair the inverter yourself.

What should I do if I see "Grid Voltage Out of Range"?

Grid Voltage Out of Range indicates that utility grid voltage exceeds safe operating limits. Do not attempt to override the safety shutdown. Check grid voltage with calibrated multimeter (should be 230V ±10% for single-phase, 400V ±10% for three-phase) and contact your DNSP (Distribution Network Service Provider) to report voltage issues. Request DNSP to lower tap transformer if voltage consistently exceeds 253V (single-phase) or 440V (three-phase). Wait for grid voltage to return to normal range. The system will automatically reconnect when voltage stabilises within acceptable limits. Contact a CEC-accredited installer if voltage issues persist.

How often should I clean my solar panels?

Solar panels should be cleaned quarterly or as needed based on local conditions. Panels in dusty areas, areas with heavy pollen, or coastal areas may need more frequent cleaning. Keep panels clean to maximise energy production. Inspect panels monthly for damage or excessive soiling that may require immediate cleaning.

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Summary

Proper interpretation of diagnostic codes is essential for effective Tesla Energy system troubleshooting in Australian installations. This comprehensive reference enables quick problem identification and guides appropriate response actions. Tesla Energy systems utilise status messages in the Tesla mobile app, LED indicators on inverters, and system alerts in the monitoring portal to indicate specific sensor and system malfunctions. Powerwall, Powerwall+, Solar Roof, and Backup Gateway systems provide diagnostic information through the Tesla app and monitoring systems for convenient diagnosis.

⚠️Complex diagnostic situations, especially those involving high-voltage DC and AC electrical systems, battery storage, and grid connection safety, require immediate professional evaluation by CEC-accredited installers. Critical codes demanding urgent response include: Powerwall Disabled, Rapid Shutdown OFF, and any inverter errors. These indicators represent serious safety hazards requiring certified CEC-accredited Tesla Energy installer response. Adherence to scheduled maintenance protocols and immediate attention to diagnostic codes extends equipment service life and minimises long-term operational costs. Note that some status messages may vary by system configuration—always consult your specific system's documentation for precise interpretations. All repairs must comply with AS/NZS 4777.2 grid connection standards and Australian wiring rules (AS/NZS 3000).