NO START / NO RESPONSE
33.9321° S, 18.8602° EHeat Pump Not Switching On in Wellington
The controller may light up, but the compressor and fan never start a cycle.
Diagnostic Breakdown
Symptoms, causes and what we do
Symptoms
What you are seeing
- Display on but nothing runs
- Unit starts then stops immediately
- No fan movement
Likely Causes
What usually causes it
- Timer or schedule blocking operation
- Flow switch not proving water movement
- High or low pressure lockout
- Failed start capacitor
- Sensor fault holding the unit off
Reyds Solution
What we check and repair
- Review schedule and set-point configuration first
- Prove water flow and check the flow switch
- Read stored error codes and lockout history
- Test capacitors, contactor and compressor windings
- Repair the initiating fault, not just the lockout
Local Context
Why this happens in Wellington
Farms, guest accommodation and residential homes. Hot dry summers and genuinely cold winter mornings inland — the widest ambient range we service.
We see heat pump not switching on across domestic geyser retrofits, integrated hot water systems, pool plant and commercial installations. The diagnosis is the same discipline every time: prove the fault with readings before replacing anything.
Urgent
What to do right now
- 01Isolate the unit at the isolator rather than repeatedly resetting the breaker.
- 02Check the airflow path around the unit is clear and look for water beneath it.
- 03Note the brand, approximate age and when the problem started.
- 04Call 069 268 0988 so we can triage before attending.
Services
Heat pump services in Wellington
Heat Pump Repairs WellingtonFAULT FINDING / COMPONENT REPAIRHeat Pump Installation WellingtonSIZING / PLUMBING / ELECTRICALHeat Pump Servicing WellingtonANNUAL SERVICE / PERFORMANCE CHECKHeat Pump Maintenance WellingtonPLANNED MAINTENANCE CONTRACTSEmergency Heat Pump Repairs WellingtonNO HOT WATER / PRIORITY ATTENDANCEHot Water Heat Pumps WellingtonDOMESTIC HOT WATER / 55°C SET-POINT
Other Faults
Other faults we diagnose in Wellington
Heat Pump Compressor Fault WellingtonCOMPRESSOR / WINDINGSHeat Pump Fan Not Working WellingtonFAN MOTOR / CAPACITORHeat Pump Thermostat Fault WellingtonSET-POINT / SENSOR DRIFTHeat Pump Controller Fault WellingtonCONTROL BOARD / DISPLAYHeat Pump Error Code WellingtonFAULT CODE DIAGNOSISHeat Pump Temperature Problem WellingtonTEMPERATURE STABILITY
Nearby Areas
Heat Pump Not Switching On near Wellington
FAQ
Heat Pump Not Switching On — questions we are asked
Heat Pump Not Switching On? Call 069 268 0988.
Tell us the brand, the error code and what changed. Diagnostic-led repairs on domestic, pool and commercial heat pump systems — from electrical faults and controller failures to refrigerant circuit and compressor problems.