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Hi there. I have a panasonic mocrowave model no. NE-1037 When i turn it on almost everytime it gives me an error warning Error code F33 How do i stop this and why does it happen? Regards

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F33 is usually a code indicating a faulty ground to the control board.
The usual culprit is the top screw that holds the control panel assy in place. Remove that screw, clean around the screw hole and lightly sand the area to insure a good ground. If you have one, install a star washer on the screw, replace, and tighten really well.
That will usually fix your problem!

Posted on Jul 23, 2008

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F33 or F34 codes may be triggered by either excessive heat within the oven or poor grounding of either the temp sensor or the controller (DPU) board. Check the following:

a) Clogged air filter (not applicable to OCS models)

b) Obstruction of the exhaust duct or insufficient ventilation

c) Defective thermal sensor (should read 30 – 70 kohm in room temperature)

d) Grounding of the thermal sensor (possible oxidation)

e) Poor connection (oxidation) at CN4 connector (PRO-1 models only)

f) Poor or no ground at the controller (DPU) board – ensure that all screws securing the board are in place

g) Missing screw(s) that secure the escutcheon to the frame (OCS models only)

h) If all steps above check OK, the error(s) may be caused by defective controller (DPU) board

We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.

Aug 11, 2008 | Panasonic Microwave Ovens

1 Answer

I have a Panasonic Microwave Model no. NE 1037 Almost everytime i turn it on it gives me an Error code F33 How do i stop this from happening and why does it happen?


F33 or F34

These codes may be triggered by either excessive heat within the oven or poor grounding of either the temp sensor or the controller (DPU) board. Check the following:

a) Clogged air filter (not applicable to OCS models)
b) Obstruction of the exhaust duct or insufficient ventilation
c) Defective thermal sensor (should read 30 – 70k ohm in room temperature)
d) Grounding of the thermal sensor (possible oxidation)
e) Poor connection (oxidation) at CN4 connector (PRO-1 models only)
f) Poor or no ground at the controller (DPU) board – ensure that all screws securing the board are in place
g) Missing screw(s) that secure the escutcheon to the frame (OCS models only)
h) If all steps above check OK, the error(s) may be caused by defective controller (DPU) board

We're happy to help you and we'd appreciate your thoughtful rating of our answer.

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That is the correct model #
Also I don't find an F21 error code in my manual also ????, Thanks for any help you can give me.
Alan

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1 Answer

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The following is a solution for the Panasonic brand microwave. I do not know your brand so this is the best I can do.

PANASONIC
Model: NE-1057, NE-1057C, NE-1257, NE-1077, NE-1277, NE-1457, NE-1457C, NE-1757, NE-1477, NE-1777 Symptom: Code "F11" or "F12" appears on the display intermittently Problem: Moisture is accumulating on control panel from steam rising out of the door. Solution: Install foam sealer (cushion rubber) along lower edge of control panel escutcheon. Part # A8251-3180

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