Question about Whirlpool Duet GHW9150P Front Load Washer
Other posting said it's either the belt broken or motor brushes. Belt not
broken....where are the brushes and can they be replaced?
Check this manual
scroll down to page 67.
see the cold /hot valve connect to vch7.3
notice that the drain pump also shares this circuit.
remove the connectors from the ccu board and run the continuity tests on page 40.
check the drain pump for blockage or debris be sure the pump is moving freely.
the UJT transistor connected to vch7.1 may be blown but then the same would have happened to vch7.5 each control the hot or cold respectively.
I would as said earlier to remove the ccu board and look for damaged solder around the white relays
in that photo the transistors in question should be to the left of the white relays.
you say a fuse blew I assume it was the house panel fuse.
I can only say this unit has sever solder issues around the relays
see this discussion that got me onto this board.
anyway if you verify the operation of the pump and valves, you may want to just purchase a ccu if you want to get it over with.
I bet you have a stack of dirty laundry by now.
Posted on Feb 17, 2008
In the bottom of the unit when you open the bottom access panel is a schematic if you know how to read it..
I am thinking that the triac that controls the water valves is bad.
check to see if the valves have voltage, you wil have to nick the wire to test. it is normally 110 ac ,but I havent looked at the schematic.
I usually just supply my own voltage to them to test the valve operation. the valves are in the top rear where the hoses screw in and connected to the water dispenser.
this board is also very bad on solder joint. usually on the relays. I would take the board out and inspect the solder.
before you replace the board you need to verify the operation of the valves.
Posted on Feb 17, 2008
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Posted on Jan 02, 2017
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