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03023 - Running-in Requirement: No or Incorrect Basic Setting / Adaptation

Possible Symptoms

  • AC innoperative
  • AC button on Control Head (J255) doesn't stay on

Possible Causes

  • No Basic Settings Performed

Possible Solutions

  • Perform Basic Settings

Special Notes

  • With some HVAC systems, Basic Settings group 003 will need to be performed. See Factory Repair Manual for details.