Question about TurboChef C3 Single Oven
Very expensive mag required , buy tornado or i3 instead don't waste your money on c3
Posted on Jan 21, 2014
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Posted on Jan 02, 2017
SOURCE: "F3 MAG CURR" error message,
Its a big pain in the *** issue.
IF YOU KNOW HOW TO USE CLAMP AMMETER THEN ONLY YOU CAN USE MY METHOD TO TROUBLESHOOT IT.
MAKE SURE OVEN HAS 5000V IN THE CAPACITOR.DISCHARGE THEM FIRST .
AND IF YOU DON'T KNOW THEN STOP HERE
1. open right side pannel
2. press back key to turn off oven
3. press back and enter key simultaneously.
4. enter 9428 then press enter.You are directed to testmode.
5.put clamp ammeter on the primary wire(orange in color).The one which come from top and looping the IO board.
6.Under Displaty screen you see Word Magnetron.Press and hold the soft key to energize the magnetron.
7.Check the amperage.It should be under 14-16 Amps.
8.If its half of the value or nothing comes then.
9 half value means(one magnetron is working
10. No value means F3 fuse blown and check the cause why it blown(physically look at the transformers and the capacitors and the diodes that they didn't burnt or change their shape.
IF YES THEN REPLACE IT.
OKAY LET ME KNOW IF YOU CAN REACH UPTO HERE .
AND REPLY ME
PLEASE RATE MY WORK
Posted on Sep 11, 2011
SOURCE: f3 mag curr
Stop using your oven right now. You can cause the repair to be very expencive by using it in this condition. If you are familiar with electrical testers i can help you through the problem. If not just unplug the oven for 1 hour to discharge the high voltage caps which carry 5000 volts. then take the top cover off and the right cover. The compartment will be dirty and dusty. clean this out with a vacum carefully. look at the top of the oven you will see 2 high voltage transformers. inspect them for burn marks. These are one of the causes for an f3 fault if they look excessivly burned up replace the bad one. Turbochef sells those for around $150 also test the fuse there is 3 of them on the bottom right of the cavity. the one on the right is a 20 amp fuse is usually blows for all f3 faults. good luck again if you have a clamp on amp meter let me know we can narrow the fault down more. good luck keep me informed Sean
Posted on Nov 17, 2009
Tips for a great answer:
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Discharging can be done by unplugging the oven and then short across the red wire on each capacitor to the chassis with an insulated screwdriver.
1. Remove the top and right side covers.
2. Enter the test mode. (From the OVEN OFF mode, simultaneously press
BACK and ENTER keys, enter the code 9-4-2-8 and press ENTER).
3. Place amp meter on the brown "ct" wire for amp reading. Wire is coming from the primary side of the
HV transformers and looping through the black plastic current transformer on the main control board and back to the HV transformers.
4. Press and hold the MGTRON soft key on the keypad to energize the magnetrons.
5. Observe the amperage on the meter. Typical readings are:
NORTH AMERICA: 12-14 amps at 240VAC/13-16 amps at 208VAC.
If you are getting 12-16 amps then change the I/O board.
If you are only getting 7 or 8 amps then only one side of the of the HV system is not working correctly. You will need to figure out which side is bad by un-plugging the power wires going to one of the HV transformers. Then test again and if you get no amps you have found the bad side. Replace the HV transformer, cap and diode.
If you are not getting any amps then check the F3 fuse it will most likely be blown. Replace and start over
Good Luck If you have anymore questions just ask.
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