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Fujitsu Heat-Pump Error Codes | Service Manual Source

ModelError CodesDetails
aohg18lzah6View
aohg24lzah6View
aohg30lat36View
  • 03 - aohg18lzah
  • 04 - aohg18lzah
  • 04 - aohg24lzah
  • 07 - aohg24lzah
  • 04 - aohg30lat3

When you encounter an error code on your Fujitsu heat-pump:

  1. Note the exact error code displayed on the panel
  2. Find your model in the table above
  3. Click the error code for detailed troubleshooting steps
  4. Follow safety warnings - some repairs require professional service

Last Updated: March 2026