The dishwasher motor keeps running when turned on, and the display has an "F" lit in it. There is no description in the manual for an "F"!! There is no water circulating and no parts moving inside, but the motor is running. thanks
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Re: gaggenau dishwasher model GM- 915-710
I suspect you are hearing the drain pump working due to the antoflood being actuated.
remove the bottom front panel and bottom tray is exposed and it is probably full of water. mop water out and machine will work. if fault reoccurs, then you have a leak
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The dishwasher you're speaking of (provided it is indeed a Gaggenau GM954) is built by Bosch as you may or may not know.
To address your concern regarding the 2H in the display actually needs to be done in two parts. I'll start with the basic info associated with the 2H displayed.
This can be simply indicating the previous cycle exceeded a 2 hour wash cycle, not necessarily an error and can be attributed with too cold water entering the dishwasher (below the recommended 120F), a longer than normal drain time (due to partial blockages, kink etc. hence longer time needed to complete the cycle) or inproper water circulation during the cycle.
Aside from these issues, it (2H) can also mean the unit has a heating error and if left long enough will show another error of "1" in the display, extremely long wash times, etc.
**The first thing I'd suggest before attempting any repair is running an additional cycle while making sure the water inlet is hot (120F optimum) and the unit does indeed drain fine.
**A fair indication of proper draining is to start a cycle and once washing begins (2-3 minutes) activate the "cancel" and the unit should adequately drain in the 2 minute time allowance.
**To identify proper water circulation, place an empty cup in the upright position in the top rack, start a cycle and inspect the cup after 2-3 minutes and it should be full of water.
After trying and posting the results of these thing's we can move forward with potential heating errors, the cause, and how to remedy them. Let me know what you find and I'll continue to assist you in any manner possible going forward. Good luck.
Jump out the door interlock switches. You will have to seperate the inner panel from the outer door to gain access to these switches. Be sure to turn you household breaker off before removing the first screw.
A shorting door switch will allow voltage to pass through but very minimal current. This could possibly be the reason you get lights but not enough current to turn on heaters and motors.
check to see if your unit has a recall on it because if it does you will get a free control module from bosch.
your problem is the control module. thermador .com is the site to lookup. gaggenau,bosch,thermador they are the same ccompany. let me know if this helps by sending a 4 thumbs up post