Start with the physical change
Heat pump symptoms
Cold water at every tap. A fresh puddle beside the cylinder. A controller that has gone dark. These guides show what to record without opening the cabinet, when to stop, and which Australian support route to use. They do not name a failed part.
Six visible starting points
Choose the closest change you can observe
- No hot waterCold at every outlet? Check red flags first, then capture the controller display and exact model.Open safety-first guide
- Lukewarm waterWarm but not hot? Preserve the settings, note the pattern and look for an exact displayed message.Open safety-first guide
- LeakingWater visible? Stay clear of electrical areas, then record the leak only from a dry, safe position.Open safety-first guide
- Unusual noiseNew or escalating sound? Do not reproduce it—note when it happens and capture any display code.Open safety-first guide
- No power or displayBlank controller? Assume the unit may still be live, never test wiring, and escalate repeat breaker trips.Open safety-first guide
- High energy useBill jumped? Compare kWh and billing periods, note controller behaviour, and avoid electrical testing.Open safety-first guide