Machines and appliances that are being used in any house may work for years and serve consistently without any issue. But it doesn't mean that nothing will ever happen to your appliances and machine and you can rely on them for your whole life. A time may come when you will either have to replace the machine or a fixture or you may also need to fix it for quite some time to make sure they keep on working as per your requirements. In Australia, most of the people tend to inspect their homes and its fixtures as well as all the machines working in a home including the fridges, freezers, rangehoods and Dishwashers. In this way there is a chance to check out all such things in a detailed manner so that the performance and possible issues can be detected in time and fixed accordingly.
We cannot say that there is always a fixed timeline to check all the things on a regular basis, rather you can check them off and on whenever you think there could be an issue or when you think its better to inspect them to avoid any problems in the near future.
But still we can say that we have to determine when it is time to get the machine, fixture or appliance checked, replaced or fixed depending on certain things that show unusual performance or a low level of performance.
Machines, like dryers, integrated dishwasher, vacuum, a fridge freezer or a tumble dryer or even things like Ovens and kitchen fixtures can indicate their problems through various ways that you can easily detect through various alerts.
Here are a few things you may notice as signs of issues and may indicate its time to replace or fix the thing immediately: