SOURCE: Bosch Nexxt 700 won't drain water
Do the following.
3. Remove the filter and make sure that the filter is not blocked and is clean and clear of all debris. Clean as required. Note that depending on the machine type you may get a lot of water coming out of the filter when you remove it if the machine has not drained successfully. Note that if the machine has stopped and not fully drained then you may be able to drain out the excess water by removing or disconnecting the waste hose and laying it on the ground in a tray. It may take a few minutes to empty but it will save a small flood.
4. Proceed by checking the drain hose for proper connection and kinks and make sure that it is not blocked.
5. Also check that the main waste drain pipe, if you use one, is not blocked and clean if required.
6. Reconnect the power and switch the machine on.
If the problem persists then do the following.
7. Switch off the machine and disconnect the mains power.
8. Check the electrical connections at the pump and make sure it is operational.
9. Remove the connecting hoses, and expect water to drain out and make sure the pipes are not blocked with debris or any object blockage.
10. Makes sure the pump appears clear and that the impeller looks in good condition.
11. Reconnect the hoses and then reconnect power and switch the machine on.
12. If problem has not been corrected, then remove the pump and check that the drive coupling to the motor is OK and that the motor turns OK. If all is well then replace the pump.
SOURCE: Bosch Nexxt Premium Washing Machine Drainage Blocked. Cleaned out impeller still not working.
You need to check the drain pump externally to see if the pumping is good Also remove the drain hose clamps and remove the drain hose flushing to clear off all dirt. Now test using power to see if this works and can be simulated. When refitting, the hose must be tightened properly. If the pump/valve does not work even with power then it must be replaced. If there is intermittent power to the drain valve/pump then the program controller unit is a suspect. Cleaning a pump: http://www.youtube.com/watch?v=zKjKi50YBpI&NR=1&feature=fvwp Finally the washer must be placed with a tilt- use a spirit level- so that all water will drain to the outlet port and thereby there is no residual water remaining. Replacing the pump on a Bosch machine, please check this link for tips:
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