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MFI2266AEB High voltage board fails repeatedly after 2 to 4 weeks


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4 replies to this topic

#1 mkemescher

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Posted Today, 09:12 AM

This Maytag French door refrigerator continues to disable the proper communication between the high and low voltage control boards. Replacing the HV board (W10310240) takes care of the issues for about 3-4 weeks. Cooling and ice production work normally with this HV control board problem exists. When failed, the pads on the display board just cause a beep noise when pressed. The light, water and ice dispensing options won't function at all. I learned the customer has a habit of filling an 8 cup coffee pot via the water dispenser every morning before work. She has reported the failure mid way through the filling process the last two times the HV board went out. The first failure was reported one month after a lightening strike had immediately damaged some other electronic units (TV and microwave). Over the last few months I have replaced 3 HV and 2 LV boards (67006294). Good customer. I have been fixing appliances in this home since the early 1990's. It is frustrating not to be able to repair this refrigerator for good. Any assistance would be appreciated.



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#2 BryanS

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Posted Today, 09:32 AM

I don't know about this model but some of the newer models I believe have a lockout if you use so much water. It's to prevent a flood if for some reason the dispenser is dispensing water and no one is calling for it. I think that's only on models that use a flowmeter and can measure the water though. I have no idea on this one.

#3 DurhamAppliance

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Posted Today, 09:32 AM

1) have you tested all loads from the board for any anomalies?

2) have you compared boards to determine if a particular resistor, capacitor or relay is failing?

3) Have checked the outlet and power supply and installed a surge protector with a minimum of 1000 joules at the receptacle?

Edited by DurhamAppliance, Today, 09:58 AM.

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#4 DurhamAppliance

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Posted Today, 10:00 AM

I don't know about this model but some of the newer models I believe have a lockout if you use so much water. It's to prevent a flood if for some reason the dispenser is dispensing water and no one is calling for it. I think that's only on models that use a flowmeter and can measure the water though. I have no idea on this one.

Bro Bryan, will that lockout reset itself after power is removed or is there a key combination to disable it? I don't think it applies to this model but I would like to know for future reference but it also got me thinking....

Mkemesher, if there is lost communication between the boards, it may be reestablished by reprogramming the code..... make sure you have the proper board... I think it's determined by the first two digits of the serial number added to the model number... if the proper board, and I think it is but double check.. erase current code and reprogram... btw what is the serial number?

Edited by DurhamAppliance, Today, 10:16 AM.

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#5 BryanS

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Posted Today, 10:30 AM

You know I can't really remember. I think it resets itself bur you may have to kill power. I remember techline telling me about it on the newer SxS model, but I believe it applies to any model with a flowmeter. This one probably doesn't have it. I haven't looked at th water valve for this one. I just saw what the dispenser looked like and figured it was older. I mean 8 cups is 64 ounces so it probably would lockout on a newer model. Now I'm sure this lady has probably been filling that coffee pot from there for years. The lockout thing just popped into my mind so I thought I'd mention it.

Edited by BryanS, Today, 10:36 AM.





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