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Q.
What do I consider when purchasing a new machine?
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A.
There are two distinct types of machine available. One derives torque from its high speed (a motor with brushes / armature and is physically light in weight) and the other is a split phase ac motor of approximately 1400 rpm which is considerably heavier.
When considering a new or replacement waste disposer thought should be given to the number of people the machine needs to service and the expected life of the machine. An incorrectly sized machine can result in premature failure with price generally reflecting quality.
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Q.
Why is my sink not draining as quickly as usual (or at all)?
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A.
As your machine wears it will cut the scraps larger and in time you will possibly experience the odd blockage. It may have one or both hammers jammed, unless it is a fixed hammer machine. Replacement or service may be required.
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Q.
Why has my machine become noisy?
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A.
Food scraps can get lodged in the grinding teeth allowing the hammers (two opposing each other and fixed to the main plate inside the machine) to make contact with each revolution, or the hammers inside the machine have worn the fixing rivets.
This allows the hammer to contact the outer grinding ring resulting in a clattering sound. Replacement or service may be required.
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Q.
Why does my machine not sound like it’s working when I turn it on – it just hums?
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A.
Most likely there is something stuck in the machine. Turn off the power and check for an obstruction. This can be done on several machines by inserting a suitably sized Allen key in the centre of the base plate from underneath. Check the main shredder plate is not floppy (indicating that it has detached from the motor shaft) and check for water leaks, stains or corrosion on the underside of the machine.
The two latter faults indicate a motor shaft or seal failure which will require a replacement machine.
If none of these resolve the issue, you will require a service visit.
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Q.
Why does my machine not make any sound when turned on?
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A.
Check that the power plug is still connected under the sink and plug another appliance in to confirm power at the outlet.
The overload, situated under the base plate on some machines and on the side in a recess in the plastic housing on others, has possibly tripped. Check there is nothing stuck in the machine and that the main plate, not the hammers, turns freely. Wait 5 minutes to allow to cool, then reset and try again.
If none of these resolve the issue, you will require a service visit.
