Question about Jenn-Air WW30430P Stainless Steel Electric Double Oven

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Jenn-air ww30430p The clock/oven display is dark and displays nothing when I put in info.. Can still turn the ovens on with the switch membrane but cannot turn it off. Have to flip the breaker to shut the oven down each time I use it. Regards, Randy Wood

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This can be the light unit or the power unit supplying the voltage to the light unit. both cost about$150 each. I need a wiring diagram or know the voltage that comes out of the epower supply

Posted on Dec 01, 2007


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Some touchpad buttons don't work but some do. Cancel button for bottom oven doesn't work. Have to flip breaker to turn off. CLock works

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This Usually indicates a shorted keypad. Turn off at the breaker. Unplug membrane strip connected to the clock from the clock, turn breaker on. If code comes back replace the clock, if no code you need the touchpad replaced

Let me know how this goes, thanks

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Hello & Welcome to FixYa
F7 error code is displayed when the clock assembly/electronic oven control (ERC) goes bad and needs replacement. Please get back to me if you have any other questions.

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The control panel display light is completely dark but the oven still seems to function ok. Jenn Air Model WW30430P double wall oven.

A lot of ovens use a gas-filled vacuum flourescent display module that takes a higher voltage to drive it. The modules can get damaged or the power supply for the higher voltage (usually around 50 volts) may have failed.

Chances are the thing is only sold as an assembly...While the displays are common in auto speedometers that have digital display, those for these ovens are special with wpecial characters and background.

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1 Answer

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I have the exact same problem with an F5 fault code. I also have a new clock assembly. said "Jenn Air fault code F5 = Hardware and watchdog circuits disagree / Replace clock assembly (also called the ERC)

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Maytag-Maycop-Magic Chef-Jennair-Admiral
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F0 Function key shorted or stuck button Clean and unstick button or replace Touch Pad or Clock
F1 Defective Touch Pad or Membrane Replace Touch Pad or Membrane
F2 Oven over heat defective Relay Board or (if present) or defective Sensor
F3 Oven Sensor Open Replace Sensor
F4 Shorted wire or Sensor locate short and correct it or replace Sensor
F5 Hardware, safety circuits disagree Replace Clock
F6 Missing AC (power) signal Check for proper voltage (plug, breaker, etc.)
F7 Function key shorted or stuck button Clean and unstick button or replace Touch Pad or Clock
F8 A/D Warning Replace Clock
F9 Door Lock Warning Check door lock circuit or Replace Clock

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I'm afraid you are going to need a new display board. Not very hard to change but a pricey item. Have seen this problem a few times. Good Luck!

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