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I replaced the main control board in my ge gfwr4800foww now…

Customer Question
I replaced the main...

I replaced the main control board in my ge gfwr4800foww now the tub light blinks and nothing works

Contractor's Assistant: I'll do all I can to help. Tell me a bit more about what's going on so we can help you best.

Washer was dead installed new control board still dead but tub light blinks in a sequence 2 blinks every 2 sec. I think it needs to be programed.

Submitted: 2 years ago.Category: Appliance
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Answered in 3 minutes by:
2/16/2016
Appliance Technician: Joel Swenson,
 replied 2 years ago
Joel Swenson
Category: Appliance
Satisfied Customers: 4,178
Experience: Owner at Scott's Appliance Repair
Verified

yes you would be correct it will have to be programmed give me a sec I have the instruction sheet somewhere let me find it, thanks.

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Appliance Technician: Joel Swenson,
 replied 2 years ago

Ok here is the programming information, follow the directions on the sheet and you will be back in business,

click here to download/open instruction sheet

please read below:

We are on the honor system for our time so I Kindly ask you to rate my service BEFORE YOU LEAVE TODAY by clicking 3 or better on the STAR RATING SYSTEM at the top of your page.

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Appliance Technician: Joel Swenson,
 replied 2 years ago

I see this question is still open, If there is nothing else I can do for you concerning this

issue would you please rate my service by choosing a star at the top of the page so that I

can put this question on my completed list. Thank you for your immediate attention in taking

care of this.

If you feel there is a reason you should not give me a rating please let me know.

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Customer reply replied 2 years ago
I got the programming sheet. I replaced both main control and interface. The interface is dead so I can't program. It's the TUB light blinking in a sequence. Do you know what that means?
Appliance Technician: Joel Swenson,
 replied 2 years ago

ok here is what you have to do to figure out what is going on, you have a voltage issue to the ui board you will have t o find, considering you replaced both boards with the correct part numbers, then do the tests below, it could be you just got a corrupt part or you did not use a grounding strap when handling the boards and fried one with static electricity:

UI Board Diagnostics

1. Check for 120 VAC at IMC J101 pins 2 & 3.

a. If 120 VAC is present go to step 2.

b. If 120 VAC is not present check house supply voltage.

2. Check for 12 VDC between IMC J603 pins 1 & 4 and 7.5 VDC between IMC J603 pins 1 & 3.

a. If either voltage is not present replace the IMC board.

b. If both voltages are present go to step 3.

3. Check for 12 VDC between UI J201 pins 1 & 5 and 7.5 VDC between UI J201 pins 3 & 5.

a. If either voltage is not present, check wiring between the UI board and the IMC board.

b. If both voltages are present, replace the UI board.

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Appliance Technician: Joel Swenson,
 replied 2 years ago

here is a image of the circuit:

click here

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