Indesit FDEF31111 Service-informatie - Pagina 18
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- 1. Table of Contents
- 2. Safety Notes & General Servicing Advice
- 3. General Information and Console Panel
- 4. VIRTUAL SENSORS Description and Operation
- 5. Additional Component Descriptions
- 6. Auto Test Cycle
- 7. Fault Codes & Diagnostics
- 8. Thermistor Resistance Chart
- 9. Wiring Diagram
- 10. General Dishwashing Information
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E. POOR DRYING
1. Correct amount of Rinse Aid
The purpose of rinse aid when added to the water of a final rinse is to allow the water to run off the
dishes as a complete film so that no water-run marks or calcium are left. To enable this to happen
it is essential that the correct amount of rinse aid is dispensed. Too little does not reduce water
tension sufficiently.
Result: The water film breaks up into streaks which make shiny and clear drying impossible. After
all the rest of the water has evaporated, marks are left which are especially noticeable on glass
and cutlery as well as on items made from stainless steel.
Too much rinse aid leaves smear marks. As a result, the dishes look and feel greasy.
Setting Guide
Set dial to approximately mid position. From experience it is advisable to start with too little and to
increase the amount until perfect results are obtained. This can be verified by holding the plate
surface horizontal to incidental light at eye level. An even shine should be observed.
The automatic rinse aid dispenser should then be adjusted accordingly.
2. Opening and closing door during drying
Allows hot air to escape and affects drying efficiency. Noticeable if the door is opened immediately
the programme ends.
F. DAMAGED DISHES
Chipping off the edges is not usually due to them rattling against one another during washing.
normally the weight of the dishes is sufficient to withstand the water pressure. Normal daily use of
dishes causes microscopic cracks around the edges which fill with water during washing. During
the heating period the water in these cracks expands and after several temperature changes the
chips may break off. Chipping may on odd occasions be caused by overloading or by loading
tightly together so that they cannot expand during heating.
G. DAMAGED GLASSES
1. Cloudy stains not caused by poor washing or drying, may be due to ring structures in the glass.
These are minute cracks due to stress created during the manufacturing process. Particles may
be washed off by hot water, leaving the surface with an etched and cloudy look. Similar results
occur during hand washing but by using lower wash temperatures and milder detergents the effect
takes longer to show.
2. Etched glassware can also be attributed to 100% softened water that is produced from a water
softening plant that may be installed in the home. In this instance the customer can negotiate with
the manufacturer of the softening plant to install a by-pass system to feed back approximately 5°
of hardness into the water supply, or put the appliance back on to the mains water supply and use
salt as required.
H. CUTLERY TARNISHING / DISCOLOURING
1. Silver cutlery tarnishes when exposed to air. Stainless steel cutlery may show a coating on its
surface after several washes if water has been allowed to evaporate on it, e.g. if incorrect dose of
rinse aid is used. Electrochemical reactions also have an effect and mixing various grades of
stainless, bronze plated and silver cutlery will cause problems.
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