Daikin E303

Alarm
Logic
E303
  • Request humidity setting
  • The dHU is set to ON when REHEAT set to OFF
Possible
Causes
  • Dehumidification dHU set to ''ON'' with humidity RH % not set
  • The dHU is set to ON when REHEAT set to OFF
  • Controller failure (CPU board failure)
Trouble
Shooting
  • Check installing of humidity sensor (optional)
  • Confirm unit is equipped with sensor and check humidity sensor settings and reheat setting (refer to page 2-19 and 2-21)
Controller
Action
E303 Alarm display only