LG LRFC 25750 Ice Maker

[cudedog21]

Removed ice maker for LG fridge to unclog evap drain. Reinstalled ice maker and it doesn't work. replace water inlet valve and tried brand new ice maker still doesn't work.  Service manual says: (Note: this ice maker has a circuit board on the head vs the standard wheel type).

1. After power off or power outage, check the EJECTOR'S position with MICOM initialization to restart.

2. How to check if it is in place. A. Check HIGH/LOW signals from HALL SENSOR in MICOM PIN.

If EJECTOR is in place: Its an initialized control so the mode can be changed to ice making control.

If the EJECTOR is not in place: A. If EJECTOR is back in place within 2 mins with the motor on it is being initialized. Go to step B. (B.) If EJECTOR is back in place within 18 mins with the heater on (to control HEATER on to its OFF condition) It is being initialized. If not, its not functioning. Repeat step B. with Heater and MOTOR off.

Anyone able to help me with this. No one in this West Texas city can. I appreciate your time. Thanks

[cudedog21]

What if I was to replace the LG circuit board controlled ice maker with a standard GE ice maker that you can test with a short piece of Romex.  I would separately wire a 110v circuit to it and completely by pass the MICOM.  The sizes match up and I know this type of ice maker would work.  Any suggestions , comments?

Edited December 15, 2016 by cudedog21
spelling

[cudedog21]

On 12/15/2016 at 11:41 AM, cudedog21 said:

What if I was to replace the LG circuit board controlled ice maker with a standard GE ice maker that you can test with a short piece of Romex.  I would separately wire a 110v circuit to it and completely by pass the MICOM.  The sizes match up and I know this type of ice maker would work.  Any suggestions , comments?

I am just amazed that a major manufacturer (LG) could design an ice maker that some of the brightest and most experienced techs in the US don't know or have not heard or read the procedure for "initializing" this LG ice maker. So what does a new Samurai trained but inexperienced tech tell his customer. Sorry Ma'am but I can't fix your ice maker and I know it was working when I got here and I know I didn't do anything to it but remove it. And now after weeks of researching the problem it seems that no one else knows how to fix your problem either. So, I guess you will be getting your ice from outside sources from now on. But maybe the Most Highest Samurai of this Samurai Appliance Nation will hear my call for help and will bring all the forces a Samurai Appliance Master Teacher possesses and will send for me to come bow at his feet as he dispenses the grand wisdom that will release this gaijin from the dishonor of having failed to overcome the enemy ice maker. (Does The Head Samarai ever read these?)

[Samurai Appliance Repair Man]

I don't know why so many techs resist reviewing the schematic. I would especially hope that techs who've been through the Master Samurai Tech training would know to do this. Why do some still resist this crucial troubleshooting step? How can anyone expect to troubleshoot an electrical problem without even looking at the schematic? 

In this case, the troubleshooting approach is very straightforward and is clearly indicated by the schematic. The schematic is on page 9 in the service manual. The ice maker circuit is dead simple. I won't deprive you of this important learning opportunity by spoon feeding you the answer. However, I will be happy to evaluate your schematic review and proposed troubleshooting strategy. 

Have you been attending the troubleshooting workshops at Office Hours? We're going over the Troubleshooting Ten Step Tango. Schematic Review is step number 2. See you Monday night in Office Hours. 

 

[Samurai Appliance Repair Man]

Also, it doesn't help that you posted this topic in a seldom-used forum ("Other Appliance Repair Topics") in the DIY section of the site instead of in the Kitchen forum in the Professional Technician section where the big boys play. Not sure what your reasons were for that but you're not going to get many eyeballs here. 

[Hiroshi]

DId you unplug the refrigerator before re-attaching the icemaker?... I know my PC will not put sound through my headphone jack unless I plug in the jack BEFORE booting up... this costs $0 to try. 

Edited December 20, 2016 by Hiroshi