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Gaggenau fryer won't heat

This is a built into kitchen counter deep fryer. after a power outage and surge the fryer developed a blinking "0" on the digital display. owner manual does not mention this so it does not seem to be a code. The timer and thermostat controls don't work and the unit won't heat up.

Gaggenau model # VF230-610

I bought a new power supply module which switches on the heating element. No change.

the 240 v 2300 watt heating element reads 23 ohms with a multimeter check. so I don't think it is the element.

the only other components are the digital display and two rotating mechanical switches that control the timer and thermostat.

What do you think? I think the next step is to change the digital display? Does anyone have any ideas?

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Re: gaggenau fryer won't heat

You mentioned of power outage and surge, it might have overstressed some components on the digital display circuitry! check for the circuit for the display! see if you have some components to check if the developed open/short connections (Transistors, diodes,capacitors!)

Note: the fryer was rated at 220-240 volts, at power surge the supply could reach up to 250 volts or higher which generally give bad effects to major appliances (TV, computers, radio, etc.)
check your voltage output of your outlets and see if it is within 220 to 240. the lower than 240 the better. during the day supply voltage tends to be higher and sometime much higher than 240 volts, this gives higher tendencies of appliance damages.
during the nigth it lowers due to consumer need!

voltage surges often causes over-stressing to electronic component especially when there poor voltage suppression design. ones commonly affected are transistors, capacitors and ICs.

there is a great possibility that your fryers circuitry was damaged!

hope this helps you!

Posted on Nov 19, 2007

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Re: gaggenau fryer won't heat

Check to see if there is some kind of breaker on the unit, it should be like a reset button. some kind of safety switch has tripped, you need to find out what and where it is.

Posted on Nov 19, 2007

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