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FPHD2491KF0 not draining - pump works

Calab

Premium Member
Joined
May 7, 2016
Messages
4
Location
Alberta, Canada
Model Number
FPHD2491KF0
Brand
Frigidaire
Age
1-5 years
Our Frigidaire Professional series FPHD2491KF0 dishwasher has decided that it does not want to drain any longer.

What I've done so far:
- checked the drain line and there is no obstruction.
- tested the drain pump and it runs fine when connected to 120v.
- drain pump impeller is clean, as is the reservoir it sits in.
- there is absolutely no noise when the drain pump should be running.
- using the diagnostics (hold START+AIR DRY to get to diagnostics) mode #7 should operate the drain, but all that happens is that I feel a small amount of air venting from beneath the door of the dishwasher.

At this point the only thing I can think of is that the controller PC board is bad.

Is there anything else that would prevent the drain pump from running?

If the PC board is bad, what are the chances of it being a relay? That I can replace if necessary.

I don't want to spend $100+ for a new board just to find that it isn't the problem.

All advice is appreciated! Thanks in advance!
 

Calab

Premium Member
Joined
May 7, 2016
Messages
4
Location
Alberta, Canada
I am VICTORIOUS!!!! :)

Picked up a $5 relay and replaced the one for the drain pump on the circuit board... It wasn't an exact match, but power ratings were better than I needed.

Put this machine back together and voilà! IT DRAINS!

Now the machine has another problem, probably related, that needs to be fixed... That's for another post.
 

Jake

Appliance Tech - Admin
Staff member
Joined
Aug 24, 2004
Messages
111,017
Location
McMullen Valley, Arizona
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