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Re: Asko D3350 code F7
Service manual says:
LED L1+L2/Fault code F7, Pumping out fault (machines with pressure sensor) Water not evacuated after 120 seconds’ pumping out. Programme interrupted. Check: Drain pump, hoses, installation of drain hose, control unit and wiring.
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LED L1+ L2/Fault code F7, Pumping out fault (machines with
Water not evacuated after 120 seconds pumping out. Program
Check: Drain pump, hoses, installation of drain hose, control unit and wiring.
At the bottom of the dish washer where the water drains from there is a rectangular hole at the back (you will need to remove all the baskets and the screen). Grease can accumulate here and block the tube that feeds a pressure switch, causing this malfunction. This grease will not be visible as it sits under a lip on the other side of the rectangular hole and above it. This would need to be removed carefully as one doesn't want to push the grease into this tube
Note: Lights blinking, pump running and controls dead indicates an over fill fault
1. Disconnect the power to the unit
2. Remove the lower access panels and check the tray under the dishwasher (you will probably find that it is full of water)
3. Use a towel or a sponge to remove the water
4. There is a float that should stop the operation of the dishwasher and run the pump if water is in this tray. Check this pump to see if it is functional
5. Test the dishwasher
6. If there are no leaks from the dishwasher into the pan, check the drain hose under the sink
7. The drain hose must run up to the top of the underside of the counter top then down to the drain. (If the hose is not set up like this, water from the sink drain will flow into the dishwasher and overfill the tray
The "F7" code means that the drain is blocked. To remove items from the drain: 1.Turn power to unit off. 2. Remove the "Coarse Filter" by squeezing the tabs together and lifting out. 3. Remove the "Fine Filter" and "Main Filter" by removing the screws around the filters and lifting them out. 4.Remove the small black adapter piece and check the sump area for debris. 5.Wash the filters out gently with hot, soapy water. DO NOT RUN THE UNIT WITHOUT THE FILTERS IN PLACE! 6.Replace the black adapter piece to its original position FIRST (Important!). 7.Replace the filters in reverse order of removal and turn the unit back on. The error code should reset and work normally. *In areas with hard-water, the filters should be removed every 8-12 months and submerged in a chemical solution (CLR or LimeAway) to remove mineral deposits. Hope this helps...
LED L1+L2/Fault code F7, Pumping out fault
(machines with pressure sensor)
Water not evacuated after 120 seconds’ pumping
out. Programme interrupted.
Check: Drain pump, hoses, installation of drain
hose, control unit and wiring.
F4 is a water inlet fault. It doesn't make sense if you have this fault indication with water flowing into the unit. Does the dishwasher drain properly? Usual suspects for an F4 indication would be a clogged inlet line, water supply turned off, bad fill valve, or a control board failure. Let me know if this helps, or give me a little more information on what you have done to correct so far.