Author Topic: FH error on a Whirlpool Duet GHW9200LQ0  (Read 257 times)

Offline nolazach

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  • Member Since: Sep 2011
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FH error on a Whirlpool Duet GHW9200LQ0
« on: December 10, 2014, 12:22:44 AM »
Hey guys.  I'm having an issue with a Whirlpool Duet.  Customer says it stops mid cycle and then she presses "start" and then it continues, then stops again until she starts it.

   I couldn't find a thing in Diagnostics.  So I sat and let it run, and after about 20 minutes it gets a FH error.
The flow switch seems to be fine, and the inlet works.  Though I did see that the hot valve seems to open when the cold valve is on.  I found this out as I had the hot water hose off, and the cold water on, and was only on the cold cycle and water came out the hot side.   This is pretty much always a bad solenoid.  Yet they work.  They fill...

    My gut tells me Valve switch.  My skematics say PCB or Flow switch.

  I have fixed many of these washers and this is the first time I have seen the Fh without an obviously clogged or broken flow switch.  :-\
« Last Edit: December 10, 2014, 12:23:31 AM by nolazach »

Offline rockinrobin

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Re: FH error on a Whirlpool Duet GHW9200LQ0
« Reply #1 on: December 10, 2014, 10:04:58 PM »
FH Troubleshooting Procedures (see attachment for correct position of flow meter)
If there is no water in the unit:
Make sure that both valves at the water source(s) are turned on all the way.
Check for plugged or kinked inlet hoses or plugged screens in the inlet valves.
Verify inlet valve operation.

If there is water in the unit:
Verify drain pump operation.
Verify that the pressure switch hose is in good condition, clear of debris and properly connected to tub and pressure switch (must always run the drain/spin cycle anytime removing/reconnecting the pressure tube/hose for proper operation).

1. Verify there is not a siphon problem.
2. Unplug washer or disconnect power.
3. Verify wire harness connections to inlet valves, pressure switch, drain pump, flow meter, and Central Control Unit (CCU).
4. Check all hoses for possible leaks.
5. Plug in washer or reconnect power
6. Verify pressure switch operation.
7. Verify flow meter operation by blowing air through the part and measuring the resistance.
8. Verify CCU operation by running a Diagnostic test or any cycle.
« Last Edit: December 10, 2014, 10:14:38 PM by rockinrobin »


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