Bad Caps on a GE Power Control Board Refrigerator

**sam_sam_sam** · 11-21-2014, 08:14 PM

Here is the story....>>>

Tuesday of this week I got a text from some good friends of my son

We had a really bad thunderstorm that came throught made the power go ON and OFF a few time .....>>>

Well after the power came back on for good the Refrigerator would NOT turn back ON and run
This is one of the newer models that has a micro controller that controls everything

This Refrigerator is DEAD no LIFE other than the light in side the frigate part and the light in freezer

So took a look at the control board and what do I see is a TOP246YN offline IC switcher on this board and a BYW29-200G UL fast 200 v 8A Diode and two caps next to the Switcher IC one was a 47 uf no ESR value at all 1 uf 50 ohms that is not a misprint

Replaced the IC switcher and the Diode and the two caps

Put the control board back in the Refrigerator and everything came back to life

BTW this control board retail for $190.00

I got all the part from Digi-key for $15.00 and ordered 3 switcher IC and 2 diodes It took about two hours pull these parts and change them because they coated the board with what look like hot glue

**ben7** · 12-05-2014, 06:51 AM

Quote:

Originally Posted by sam_sam_sam

Here is the story....>>>

Tuesday of this week I got a text from some good friends of my son

We had a really bad thunderstorm that came throught made the power go ON and OFF a few time .....>>>

Well after the power came back on for good the Refrigerator would NOT turn back ON and run
This is one of the newer models that has a micro controller that controls everything

This Refrigerator is DEAD no LIFE other than the light in side the frigate part and the light in freezer

So took a look at the control board and what do I see is a TOP246YN offline IC switcher on this board and a BYW29-200G UL fast 200 v 8A Diode and two caps next to the Switcher IC one was a 47 uf no ESR value at all 1 uf 50 ohms that is not a misprint

Replaced the IC switcher and the Diode and the two caps

Put the control board back in the Refrigerator and everything came back to life

BTW this control board retail for $190.00

I got all the part from Digi-key for $15.00 and ordered 3 switcher IC and 2 diodes It took about two hours pull these parts and change them because they coated the board with what look like hot glue

You forgot the most important thing! What brand were the caps that failed?

**sam_sam_sam** · 12-11-2014, 01:56 PM

It took a little while to find the box that I had put them in
The brand name of the two caps are the same

Ltec SM 85*C 4601D this was on the caps

The other caps on the board were different brands I did not change them because of all the hot glue on this board

**sam_sam_sam** · 05-30-2022, 04:39 AM

I know that this is a very old post but I recently talked to the person that I had fixed his refrigerator and he told me that it was still working good after this repair

**R_J** · 05-30-2022, 04:22 PM

I have seen this many times, it was likely just the power being turned off that it did not turn back on. As long as power is applied, the ic's vcc stays up, even with the 47µf being very low. But when the vcc cap is that low it will not charge up and start the ic again. Ask him to unplug the fridge for 5 min and see if it starts back up again.

**sam_sam_sam** · 06-01-2022, 11:25 AM

That is what I had done before I came to the conclusion that there was something wrong with the controller board

11-21-2014, 08:14 PM	#1
sam_sam_sam Badcaps Veteran Join Date: Jul 2011 City & State: Some times Sunny Jacksonville FL My Country: USA Line Voltage: 120 Volts 60 HZ I'm a: Knowledge Seeker Posts: 4,009	Bad Caps on a GE Power Control Board Refrigerator Here is the story....>>> Tuesday of this week I got a text from some good friends of my son We had a really bad thunderstorm that came throught made the power go ON and OFF a few time .....>>> Well after the power came back on for good the Refrigerator would NOT turn back ON and run This is one of the newer models that has a micro controller that controls everything This Refrigerator is DEAD no LIFE other than the light in side the frigate part and the light in freezer So took a look at the control board and what do I see is a TOP246YN offline IC switcher on this board and a BYW29-200G UL fast 200 v 8A Diode and two caps next to the Switcher IC one was a 47 uf no ESR value at all 1 uf 50 ohms that is not a misprint Replaced the IC switcher and the Diode and the two caps Put the control board back in the Refrigerator and everything came back to life BTW this control board retail for $190.00 I got all the part from Digi-key for $15.00 and ordered 3 switcher IC and 2 diodes It took about two hours pull these parts and change them because they coated the board with what look like hot glue __________________ 9 PC LCD Monitor 6 LCD Flat Screen TV 30 Desk Top Switching Power Supply 10 Battery Charger Switching Power Supply for Power Tool 6 18v Lithium Battery Power Boards for Tool Battery Packs 1 XBox 360 Switching Power Supply and M Board 25 Servo Drives 220/460 3 Phase 6 De-soldering Station Switching Power Supply 1 Power Supply 1 Dell Mother Board 15 Computer Power Supply 1 HP Printer Supply & Control Board * lighting finished it * These two repairs where found with a ESR meter...> Temp at 50F then at 90F the ESR reading more than 10% 1 Over Head Crane Current Sensing Board ( VFD Failure Five Years Later ) 2 Hem Saw Computer Stack Board All of these had CAPs POOF All of the mosfet that are taken out by bad caps Last edited by sam_sam_sam; 11-21-2014 at 08:49 PM..

12-11-2014, 01:56 PM	#3
sam_sam_sam Badcaps Veteran Join Date: Jul 2011 City & State: Some times Sunny Jacksonville FL My Country: USA Line Voltage: 120 Volts 60 HZ I'm a: Knowledge Seeker Posts: 4,009	Re: Bad Caps on a GE Power Control Board Refrigerator It took a little while to find the box that I had put them in The brand name of the two caps are the same Ltec SM 85C 4601D this was on the caps The other caps on the board were different brands I did not change them because of all the hot glue on this board Last edited by sam_sam_sam; 12-11-2014 at 01:59 PM..*

05-30-2022, 04:39 AM	#4
sam_sam_sam Badcaps Veteran Join Date: Jul 2011 City & State: Some times Sunny Jacksonville FL My Country: USA Line Voltage: 120 Volts 60 HZ I'm a: Knowledge Seeker Posts: 4,009	Re: Bad Caps on a GE Power Control Board Refrigerator I know that this is a very old post but I recently talked to the person that I had fixed his refrigerator and he told me that it was still working good after this repair

05-30-2022, 04:22 PM	#5
R_J Badcaps Veteran Join Date: Jun 2012 City & State: ☻ My Country: Canada I'm a: Professional Tech Posts: 8,753	Re: Bad Caps on a GE Power Control Board Refrigerator I have seen this many times, it was likely just the power being turned off that it did not turn back on. As long as power is applied, the ic's vcc stays up, even with the 47µf being very low. But when the vcc cap is that low it will not charge up and start the ic again. Ask him to unplug the fridge for 5 min and see if it starts back up again.

06-01-2022, 11:25 AM	#6
sam_sam_sam Badcaps Veteran Join Date: Jul 2011 City & State: Some times Sunny Jacksonville FL My Country: USA Line Voltage: 120 Volts 60 HZ I'm a: Knowledge Seeker Posts: 4,009	Re: Bad Caps on a GE Power Control Board Refrigerator That is what I had done before I came to the conclusion that there was something wrong with the controller board

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