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Bunn SmartWave generating an Error 5 code...

I have de-limed the fill tube, and replaced the pump, but continue to get this error and only about 50% of the normal brew. The fill valve/solenoid seems to refill the tank just fine when using the hot water spigot. Ideas on what to check next?

Posted by Todd M on

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gbob59

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  • Bunn Master
  • 3,063 Answers

Google item and error code, if no owners manual try:
https://www.manualslib.com

Posted on Jun 29, 2020

Testimonial: "Thanks, I've done both, to no avail. Manual says to de-lime the fill tube, which had been done."

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I have a Kenmore Elite Ultrawave Microwave Hood Combination and am getting an F9 fault code. I hear a rythmic intermittant buzzing, the unit shuts off and the F9 appears on the screen. I have pulled open...


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1.) IF your Microwave uses "UltraWave technology"/"SmartWave technology"...Then either the Magnetron has failed or the Inverter board has failed OR maybe the control board has failed (HUH?).
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** "UltraWave technology"/"SmartWave technology" **
I'll explain a few things about this wonderful technology...
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Code 39 err


Hi, Victor955


This is a Processor Rest Error

This error code is displayed if the control failed to save cycle information during a power failure. This does not generate an error code beep.

Press STOP/CANCEL to clear the display.
And if needed unplug for 5 minutes to reset the system



Please remember to leave a rating.

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1 Answer

F-9 Error after running a few seconds...


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2.) IF your Microwave does NOT use "UltraWave technology"/"SmartWave technology" then one or more of the door switches has failed.

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I'll explain a few things about this wonderful technology...
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If there is something wrong with the magnetron or inverter board or a there is a communication breakdown between the control board and the inverter board...WA-LA-----F9----

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Note: This 'technology' may come in other flavors as well

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