NN-T994SFR Panasonic Microwave - Overview
Sections of the NN-T994SFR
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Micro Switch
PartSelect #: PS3522738
Manufacturer #: 3B73362F
This microwave door switch provides power to the various components in the microwave when the door is in a closed position, and interrupts power when the door is open. This door switch is approximatel...
$21.45
Special Order
Wire Harness
PartSelect #: PS12690518
Manufacturer #: F030A7B70AP
Wiring harness
No Longer Available
Door Hook
PartSelect #: PS12688400
Manufacturer #: F30206G30CP
Door switch holder bracket
$11.77
In Stock
Door Switch
PartSelect #: PS12697446
Manufacturer #: QSWMA085WRE0
Microwave door switch, normally open two terminals.
No Longer Available
Inner Door Panel
PartSelect #: PS12697716
Manufacturer #: F30854U00AP
Inner door frame
$24.67
In Stock
Main Control Board
PartSelect #: PS12677664
Manufacturer #: F603Y5W00AP
Power control board
No Longer Available
Door Frame
PartSelect #: PS12693448
Manufacturer #: F302K4U00AP
Middle door frame
$55.29
Special Order
Questions And Answers for NN-T994SFR
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Common Symptoms of the NN-T994SFR
[Viewing 4 of 4]No heat
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Won’t turn on
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Doesn’t shut off
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Tray won’t turn
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Keep searches simple. Use keywords, e.g. "leaking", "pump", "broken" or "fit".
Broken door micro switch. (unit does not start heating)
Unplug the unit before servicing. Need phillips screwdriver. Open door. Use step ladder to access and remove 2 small screws from top of the room air diffuser at top of unit. Slide diffuser slightly to the left to align the diffuser's plastic tab on the left side to rotate toward you. (The wires for the front control panel are at the far l
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eft side of this difuser, but difuser is slotted for easy removal). Once the difuser is removed you will see 1 screw at the top that secures the pannel cover on the left side of the unit. Remove screw and slide this panel slightly up and out. This exposes the plastic frame that holds the upper and lower door switches. To locate the door switches and observe how they work, close and open the door and watch the door (bayonets) open and close the micro switches. Do the (red) buttons on top of the switches move up and down when the door bayonets push and release? If the buttons do not "pop" up when opened the switch is defective. The switch frame is secured with 2 screws. Remove screws and rotate the unit out for easy access to the micro switch(s). The internal (spring?) on my unit that is suposed to allow the red (visible) button on top of the switch to "pop" up when the door is opened was broken. Carefully pry the switch outward while being careful to lift the plastic holder-piece that holds the switch in place. Be careful, there is a small pin on the frame, so rotate the switch OUT toward you while lifting (carefully) the plastic holder-piece (you will see it on top of the switch). You can use an ohm meter to test the continuity of the switches. But if the buttons don't "pop" they are defective. Replace switch and reassemble.
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Parts Used:
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JAMES from BILLINGS, MT
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Difficulty Level:Very Easy
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Total Repair Time:30 - 60 mins
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Tools:Screw drivers
37 of 68 people
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Door sensor switch went bad. Microwave would not operate.
Watched a couple of repair videos on Youtube by searching for the model number. Found out what to do in order not to get shocked by the powerful capacitor.
Ordered the two switches (To be sure, I could have ordered a third switch as suggested in the videos.)
Bought a tamper-proof star bit to get the cover off. Followed the dir ... Read more ections to replace the switches. - I broke the harness and had to use some super glue, but it's all good. I should have removed the harness instead of trying to get a switch out while it was still in place.
It's all back together, and the wife is happy!!
Ordered the two switches (To be sure, I could have ordered a third switch as suggested in the videos.)
Bought a tamper-proof star bit to get the cover off. Followed the dir ... Read more ections to replace the switches. - I broke the harness and had to use some super glue, but it's all good. I should have removed the harness instead of trying to get a switch out while it was still in place.
It's all back together, and the wife is happy!!
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Parts Used:
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Randall from ARCADIA, CA
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Difficulty Level:A Bit Difficult
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Total Repair Time:1- 2 hours
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Tools:Pliers, Screw drivers
15 of 29 people
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Microwave turntable would not turn
My Panasonic Microwave (Inverter type) turntable would not turn. Saw some basic repairs on YouTube. Access to motor was not as easy, had to saw-off motor cover at the bottom of the microwave, after removing the motor cover removed the electrical leads to the motor, replaced with the new motor, put the leads back. Now to remove the motor y
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ou need to first remove electrical plug from the socket, remove glass plate and plastics adapter.
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Parts Used:
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Sanjeev from Novi, MI
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Difficulty Level:Really Easy
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Total Repair Time:15 - 30 mins
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Tools:Screw drivers
5 of 6 people
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