Heat Pump Not Working in Northern Suburbs
No hot water at all and no sign of normal operation from the unit.
Symptoms, causes and what we do
What you are seeing
- No hot water anywhere in the property
- Unit silent
- Controller blank or showing an error
What usually causes it
- Tripped breaker or earth leakage
- Failed contactor or controller board
- Blown fuse in the unit
- Compressor or fan motor failure
- Wiring damage from moisture ingress
What we check and repair
- Verify supply at the isolator and distribution board
- Test the controller, contactor and safety circuit
- Isolate whether the fault is electrical, mechanical or refrigerant
- Restore hot water via backup element where fitted
- Quote and complete the permanent repair
Why this happens in Northern Suburbs
The Northern Suburbs carry the metro's largest volume of modern family housing, security estates and business parks. Wide ambient temperature swings mean a system sized for summer can disappoint in July, so sizing and set-point strategy matter. Estate rules commonly dictate placement and noise limits.
We see heat pump not working 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.
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.
Related heat pump services
Other faults we diagnose in Northern Suburbs
Heat Pump Not Working — questions we are asked
Heat Pump Not Working? 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.