Fault
Possible cause
Remedy
There is corrosion on
instruments.
The chloride content of the
water is too high.
Have the water analysed. If
necessary, connect the
machine to an external
water softener unit and use
deionised water.
Rust has entered the wash
cabinet due to:
– the iron content of the
water being too high,
– rusty instruments being
cleaned in the machine.
– Check the water supply.
– Dispose of any rusty
instruments.
White residue is visible
on items.
The water softener is
programmed to a setting
which is too low.
Check the water hardness
level of the water supply
and programme the water
softener correctly.
The salt reservoir is empty. Fill carefully with salt.
The salt reservoir cap has
not been screwed on
correctly.
Replace it making sure it
screws back on correctly.
The rinsing agent dosage
has been set too low,
causing water marks.
Increase the rinsing agent
dosage setting.
Dental cement or amalgam
remains have been left on
instruments.
Remove dental cement or
amalgam from instruments
before it hardens.
Problem solving guide
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