Question about Asko 24 in. D3250 Built-in Dishwasher

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ASKO 1475 Does not not pump out and drain at end of cycle.

Machine lightly used two or three times a week for 8 years with no problems. Recently it started to not-drain upon completion of cycle leaving water up to normal fill level which I believe to be the gray plastic flange on bottom of lower wash arm. Drain hose removed and back flushed with water and compressed air so no blockage is present. Hose is routed up in a loop at edge of sink base to prevent siphon situation. Fittings at drain were all removed and checked for blockage so that is not the issue. Pump action observed at outlet (into garbage disposal) and strong steady stream is observed so pump seems to be working properly. Help please.

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Re: ASKO 1475 Does not not pump out and drain at end of...

If dishwasher drains ok into bucket then fault is with the house plumbing

Posted on Feb 29, 2008

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My dishwasher this morning has desided to not work correctly.
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usually these are blocked at the discharge end under the sink, especially if the hose is hooked to a copper pipe then shoved down the plumbing standpipe. It could also be in the hose behind the dishwasher if someone has fitted an extension onto the hose and used a small diameter coupler. Run the dishwasher on any cycle...if there is standing water you should hear the drain pump run first...if there is no standing water run it on a rinse and hold cycle. at the end of the cycle the pump will run. if you hear the pump, but no water is ejected out the drain hose under the sink, then you most likely have a clog in the hose near the end or in the middle if it has an extensio. if you dont hear the pump run, then its a bad pump and you need a new one (parts like that are covered for 5 years if you use an ASKO servicer) Good luck!

Nov 03, 2007 | Asko 24 in. D3250 Built-in Dishwasher

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Asko dishwasher 1475 indicates high water level

The "High Water Level" in the machine can be triggered not only by the Styrofoam operated switch in the safety tray under the machine's tub, but also by the Overfill Pressure Switch pictured here

My previous post describes the erratic behavior this switch can cause. It seemed almost at random, the "High Water Level" condition would occur in whatever cycle I used.


It is easily located at the end of a small rubber hose visible when the kick panel and service covers are removed. Look just above where the electrical power terminal block is. The switch is held in place by the clip protruding from the top (as shown in the picture above). The sides of the clip need to be pressed towards the center to release the switch. I simply rotated the switch until the clip was turned to the longer side of the rectangular hole it clips in to. It then just fell out.

This pressure switch triggers the drain pump when too much water enters the machine, but it can malfunction and will keep the drain pump running "forever" until you turn off the breaker. Unfortunately, until the problem is rectified, the dishwasher "remembers" what it was doing when you disconnected the power and when you re apply power, the drain pump will again start draining your already empty dishwasher.

I pulled the connectors attached to the spade terminals on the switch back a bit and then forward as far as they would go ensuring all the wires had continuity from the terminal to the opposite end of the wire it was attached to. When I re applied the power, the empty dry dishwasher attempted to start up where it left off in the cycle it was on, but the "High Water Level" conditioned cleared. Pressing and holding the single button opposite the light left on canceled the cycle and the machine went into standby as it should.

I hope this helps someone else. Until I "Googled" the part number printed on the switch, I didn't know what triggered the "overfill" or "High Water Level" condition.

Part number on the part was 8058475. I also found out the small hose attached is part number 8058500. The small hose is not as readily available as the pressure switch, so extra care should be used when handling it.

Oct 09, 2007 | Asko 24 in. D3250 Built-in Dishwasher

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