Common heat pump problem

Heat pump not heating?

If the fan runs but the room stays cold, the cause could be air flow, filters, mode settings, inside parts, outdoor unit issues, cooling system problems, or an error message. For Auckland service area enquiries, send the suburb and symptoms.

SymptomsWhat changed and where
ChecksSystem type and visible signs
Next stepRepair, service, or advice

What may be wrong

Find the cause before guessing.

  • Incorrect mode, timer, temperature, or fan setting.
  • Blocked filters or dirt build-up reducing air flow.
  • Outdoor unit icing, fan, or water leak issues.
  • Internal part, control, or wiring problem.
  • System error message or cooling system problem.