Question about Smeg 18 in. DWF410SS Slim-Line Free-standing Dishwasher

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Machine is not washing very well....Leaves residue. recently the drainage pump was blocked but I managed to free it and it works well now, but I noticed a clear plastic container full of orangey coloured salts. Is this normal or do I need to clear it somehow?

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Re: Machine is not washing very well....Leaves residue....

The orange coloured salts is normal leave that.
Is the water getting hot?

if it is try adjusting the rinse agent so it lets more in

Posted on Dec 11, 2007

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My Maytag quiet series 200 is not cleaning and despite many attempts it is also leaving terrible residue on dishes.

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Dishwater residue is a fairly common occurrence, and several things can cause it. Even the newest dishwashers may leave residue, and it might have nothing to do with the actual dishwasher function itself. However, there are things you can do to prevent, limit or completely remove dishwasher residue during every washing cycle.

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Water remains in machine. Machine stops after a minute or so and diplays F11.

F11 means Drainage fault.

Water present in appliance and is not being drained off. The display shows Drain fault F11. The buzzer is activated for 2 minutes.

Background information:
After each drain pump step, the circulation pump operates for 2 seconds and heater pressure switch B1/13 checks the water level. If it is too high (large quantity of residual water remaining in the cabinet), the drainage time is extended. If, after a further check, the water level is still too high, then the program is interrupted, the fault code is saved and the drain pump is activated. Fault code F11 is also registered if heater relay 1K1 is not activated after the fault code F51 register check; see Section 080-3.18. Drain hose kinked. Remedy: Check the drain hose for correct positioning.

Cause: Drain blocked.
1. Clean the on-site drain.
2. Check the sump drain.
3. Check the filters.
4. Check the heater pressure switch and replace it if necessary.

Cause: Ball in non-return valve in sump has not opened (e.g., jammed).
Clean the non-return valve in the sump or replace it if necessary. Cause: Foreign objects in the drain pump.

Clean the drain pump and its impeller.

Cause: Drain pump defective.
1. Check the voltage supply to the drain pump.
2. If correct voltage is present, check the drain pump motor winding.
3. Replace the drain pump, if necessary.

Cause: Foreign objects in heater pressure switch.
Check the heater pressure switch for blockages and correct switching point.

Cause: Heater relay defective. Heater relay (coil or contacts) becomes defective during the drainage step (after fault code F51 register check).
Replace the heater relay.

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Water is not draining out completely after the wash.

This is a common fault if your drain hose or the drain pipework after it is blocked by tissues or fluff etc remove the drain hose from the vertical drain pipe or u-bend connection and check that all are free of obstructions. Also a lot of machines have a filter located at the bottom of the machine either behind a flap at the front or located near the pump at (usually) the back of the machine underneath. This can be got at by either removing the back panel if there is one or tilting the machine forward to access it from underneath chock the drum with wood to avoid drum suspension damage or re- attach the drum bolts which were removed when the machine was delivered if you still have them. The pump will have a rubber hose attached before it and the pump is connected to the machine end of the drain hose, often the rubber hose is large bore and incorporates a hard plastic filter designed to trap buttons coins etc before entering the pump and damaging the impeller blades, remove any debris.
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