Author Topic: Magic chef ref md # Mcbr1020w  (Read 952 times)

Offline haroldsappliance

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Magic chef ref md # Mcbr1020w
« on: January 14, 2013, 02:24:46 PM »
Magic chef ref md # Mcbr1020w. Little odd frost free box. I could use a schematic. Haven't looked at yet,but apparently unit is running fine until timer goes into defrost. At that point unit does not advance out. This box's timer is 502414000009 thanks.

Offline AJ

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Re: Magic chef ref md # Mcbr1020w
« Reply #1 on: January 14, 2013, 02:32:37 PM »
Did a quick search through my resources and could not find a schematic.
Maybe another member will be able to locate one for us.
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Offline jumptrout51

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Re: Magic chef ref md # Mcbr1020w
« Reply #2 on: January 14, 2013, 03:45:08 PM »
The simple answer is,if the correct timer is installed and it enters defrost but does not advance out of defrost the timer is bad. If the timer has been replaced with a universal timer,the jumper wire may be in the wrong position.
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Offline haroldsappliance

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Re: Magic chef ref md # Mcbr1020w
« Reply #3 on: January 14, 2013, 04:30:44 PM »
My concern is most timers do not fail in the defrost mode. I was thinking maybe this thing could be such an odd ball that maybe the advancer motor ciricut was open somewhere and only in that mode. Hence the desire to look at a diagram. Good research keeps me prepared. I don't like surprises unless it's my bday.

Offline jumptrout51

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Re: Magic chef ref md # Mcbr1020w
« Reply #4 on: January 14, 2013, 04:40:12 PM »
My experience is that most mechanical defrost timers will enter defrost mode and not come out.
You can turn the knob 1 click and resume refrigeration mode.
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Offline haroldsappliance

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Re: Magic chef ref md # Mcbr1020w
« Reply #5 on: January 17, 2013, 12:35:30 PM »
Update. As I suspected, this unit will not advance in defrost if the defrost element or it's thermal link is open. Odd design. Defrost timer manually advances ccw. Problem was an open thermal link attached to evap coil.

Offline AJ

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Re: Magic chef ref md # Mcbr1020w
« Reply #6 on: January 17, 2013, 12:38:08 PM »
Thanks for the update.  O0
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