Miele PG 8583 CD Operating Instructions Manual page 46

Chemical processes and technology
Associated process chemicals
Problem
De-foaming agents, especially silicone-
based ones, can cause the following:
- deposits in the wash cabinet
- deposits on the wash items
- damage to elastomers and plastics in the
machine
- damage to certain plastics (e.g.,
polycarbonate and plexiglass) in the wash
items
Soiling
Problem
The following substances can damage
elastomers (hoses and seals) and plastics in
the machine:
- oil, wax, aromatic and unsaturated
hydrocarbons
- emollients
- cosmetics, hygiene and skin care
products such as creams (analytical
applications, filling)
The following substances can lead to heavy
build-up of foam during washing and
rinsing:
- some disinfection agents, dishwashing
detergents, etc.
- reagents for analysis, e.g., for microtiter
plates
- cosmetics, hygiene and skincare products
such as shampoos and creams (analytical
applications, filling)
- active foaming agents such as surfactants
46
How to resolve it
- De-foaming agents should be used in
exceptional cases only; for instance, when
absolutely essential for the process.
- The wash cabinet and accessories should
be periodically cleaned without wash
items and without de-foaming agent using
the Organic program.
- Contact Miele for advice.
How to resolve it
- Depending on usage, wipe the lower door
seal on the machine periodically with a
lint-free cloth or sponge. Clean the wash
cabinet and accessories without wash
Organic
items using the
- Reprocess the wash items using the
program
program (where this is available)
or use a special program that dispenses
cleaning detergents containing
surfactants.
- Thoroughly rinse items in water
beforehand.
- Select a cleaning program with at least
one short pre-rinse in cold or hot water.
- Depending on the application, use de-
foaming agents that do not contain
silicone oils.
program.
Oil