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GETTING POWER INTO THE BOARD, LIGHTS WORK & CHECKED FUSE; TESTED GOOD BUT CAN NOT GET DISPLAY TO POWER UP. ORIGINAL ERROR CODE WAS F16.

Model Number
MEDB850WQ0
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Hi. I am not finding a F16 error code for this model. If you have proper power to the board and not getting a display you have a bad control board or user interface. Try unplugging the unit for 5 mins and plugging it back in to reset the control. I have attached links to purchase the control board and user interface if you need them. Your tech sheet should be located near the control board.

Here is what the tech sheet has listed for the issue you are having.

TEST #6 Buttons and Indicators
This test is performed when any of the following
situations occurs during the Console Buttons and
Indicators Diagnostic Test, page 1:
✓ None of the indicators light up
✓ No beep sound is heard
✓ Some buttons do not light indicators
None of the indicators light up:
1. See Diagnostic Guide/Before Servicing…
on page 1.
2. Perform TEST #1, page 4 to verify supply
connections.
3. Perform TEST #2, page 4.
4. Perform steps in Accessing & Removing the
Electronic Assemblies, page 8 and visually check
that the P5 connector is inserted all the way into
the machine control electronics.
5. Visually check that the user interface assembly
is properly inserted into the front console.
6. If both visual checks pass, replace the user
interface assembly.
7. Plug in dryer or reconnect power.
8. Perform the Console Buttons and Indicators
Diagnostic test, page 1 to verify repair.
9. If indicators still do not light, the machine control
electronics has failed:
Unplug dryer or disconnect power.
Replace the machine control electronics.
Plug in dryer or reconnect power.
Perform the Console Buttons and Indicators
Diagnostic test, page 1 to verify repair.
No beep sound is heard:
1. Perform steps in Accessing & Removing the
Electronic Assemblies, page 8 and visually check
that the P5 connector is inserted all the way into
the machine control electronics.
If visual check passes, replace the user
interface assembly.
2. Plug in dryer or reconnect power.
3. Perform the Console Buttons and Indicators
Diagnostic test, page 1 to verify repair.
4. If replacing the user interface assembly failed:
Unplug dryer or disconnect power.
Replace the machine control electronics.
Plug in dryer or reconnect power.
Perform the Console Buttons and Indicators
Diagnostic test, page 1 to verify repair.

Some buttons do not light indicators:
1. Perform steps in Accessing & Removing the
Electronic Assemblies, page 8 and visually check
the user interface assembly connections.
If visual check passes, replace the user
interface assembly.
2. Plug in dryer or reconnect power.
3. Perform the Console Buttons and Indicators
Diagnostics test, page 1 to verify repair.

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