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System Shuts Down When a Large Appliance Starts

Large appliances can draw a high amount of power when starting. This is known as a starting surge and may be several times higher than the appliance’s normal running load.

Common appliances that can cause this include:

  • Air conditioners
  • Bore and pool pumps
  • Compressors
  • Welders
  • Electric ovens and cooktops
  • Workshop machinery
  • EV chargers

What to Do

  • Turn off other large appliances.
  • Restart the appliance once the system has stabilised.
  • Run high-demand equipment during strong solar production.
  • Check the battery state of charge.
  • Confirm the generator or grid supply is available.
  • Review the inverter or monitoring platform for an overload alarm.

When to Contact MyEnergy

Contact MyEnergy if:

  • The system repeatedly shuts down when the same appliance starts.
  • The inverter shows an overload or low-battery alarm.
  • The appliance previously operated without causing problems.
  • New electrical equipment has recently been installed.
  • The system will not restart after the load is removed.

The appliance or system capacity may need to be assessed before further operation.

Record the conditions around the shutdown

Note which appliance started, what else was running and the battery level at the time. Include the appliance model or rating if available without opening equipment. Save the exact alarm message and describe whether power returned after the load was removed. Do not repeatedly recreate the shutdown for testing; provide the recorded details to MyEnergy for assessment.

Phone: 1300 706 870
Email: support@myenergysolar.com.au