Bosch WAS24468ME/45 Washing Machine Wash Cycle Gets Longer Than Initial Settings
Hi, I have this Bosch WAS24468ME/45 washing machine for about 12 years, I am quite handy and already replaced several parts on it: suspension Drum Bearings. Heater Heater thermal sensor The problem I have for some time is that the machine extends the wash time (it does not happen on the short program). I checked the Pressure switch and it seems ok, I also checked the tube - it doesn't seem to have holes. The suspension - is slightly different than the original ones (different desiegn however they did state they fit to this model). I also checked the motor and it seems in a very good shape. I have not checked the motor control board yet, or the main panel. The machine sits on a height extender from would for better access (12 cm high). I think this model is a great model, Real German built and quality, and before I replace to a new one (which I am considering), I thought I would give it a last chance to try and deal with the wash cycle extensions. it started before I replaced the bearings. I was wondering if you can offer some guidance on what to do, and maybe I used wrong parts (suspension with a different suspension force?) If capacitors on the board needs to be replaced I can do that as well. The machine doesn't display any error codes when it runs, only extends the time. Thank you! Yoni
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Water Fill Rate: A very common culprit is the machine simply taking too long to fill. Check the water pressure coming from your supply valve. More importantly, turn off the water, unscrew the fill hose at the back of the machine, and check the small plastic mesh filters inside the water inlet valve. If these are partially blocked with grit or limescale, it restricts the flow, and the machine will pause the timer while it waits to reach the correct water level.
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Drainage Speed: We also need to make sure the machine is emptying in the allocated period of time. Check the pump filter for debris, but also ensure there are no partial blockages in the black sump hose (between the tub and the pump) or your external waste plumbing. A slow drain extends the cycle just as much as a slow fill.
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Heating Circuit: You mentioned replacing the heater and the thermal sensor, but we need to confirm the machine is actually heating the water. If it isn't getting hot, the machine will sit in the wash phase waiting for the temperature to rise, which drastically extends the time. Run a 60°C wash and carefully feel the glass door about 20–30 minutes in. If it remains cold, you either have a broken wire leading to the heater, or the heater relay on the main circuit board has failed and isn't sending power down to the element.
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Suspension and Out-of-Balance: You asked about the aftermarket suspension and the wooden height extender. Bosch machines have very sensitive out-of-balance software. If the machine detects too much vibration, it will repeatedly stop the spin cycle, tumble the clothes to redistribute them, and try again. This loop can add a massive amount of time to the end of a cycle. Ensure that 12cm wooden base is completely solid and perfectly level. If the base flexes or the aftermarket dampers are slightly too soft, the machine will struggle to balance the load.
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The Circuit Board: You mentioned checking the capacitors. It is a possibility that the PCB is at fault here. If the machine is filling, heating, draining, and balancing perfectly, then a failing component or a dry solder joint on the board (particularly around the relays) could be confusing the timer. However, I always recommend thoroughly verifying the mechanical and plumbing side first before desoldering components.
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