ZISP420DXCSS General Electric Refrigerator - Instructions

Noticed the problem in November 2009. Replaced Hi Limit Sesor for Defrost thinking it was the freezor temperature sensor. Did not fix the problem. Replaced Motherboard. Did not fix the problem. Called Sears Repair. They mis-diagnosed the problem and told me it was the sealed system. I doubted them and sent them home. Replaced the correct freezer temperature sensor that connects to the motherboard. FIXED.
Removed a panel, cut two wires, soldered and insulated two wries, reinstalled panel.

unscrewed old filter by hand, installed new filter.

Replacing servo was not hard, but did not solve problem. Searched some more and the cure is to remove the light bulb from the dispenser. Seems that old bulbs draw too much current and cause the control panel to fail in sending signal to icemaker motor. Removing the bulb cured this fault and the control panel worked fine.

First, had to use punch tool to pop out electronic face panel. Face unit still connnect via wires. Use painters tape to hold against refrig. Next, Remove ice/water dispenser and also tape to door. This will give you access to solenoid. Remove the 3 screws holding it in place and unplug fsolenoid from Face Panel. Screw new solenoid and place and connnect to Panel. Goood idea is to unplug regrig. while doing this and put a little WD-30 on shaft of solenoid. May want to order new screws, could be rusty, that hold solenoid in place. Sounds a bit complicated but not that bad a job. You'll save over$100 over GE's service.

Called partselect and gave my model number for the frig. I wanted a filter plug because we did not need a frig filter. We have a whole house filter. They looked up the part, took my info, and sent it to me by UPS. It arrived fairly quickly and fit the frig perfectly. I screwed it into place immediately. It was the simplest order I have ever placed and the salesman was very pleasant and proficient. If I have more issues with my frig, I will call partselect again. Just remember to turn off the water before you start.

First I hired a repairman and he said that it was in the unit and would not be worth the expense to fix.

I started to research on the net and this was one possible source. ( evaporator fan). I had to take it apart to verify it. Then put it back together to use until the part came.

The next time went much faster as I did not have to take near as many screws out to access the fan motor. Very Happy to have it working fine again as a new relacement would cost $1200. Thanks much. Ron

No self defrost. Measured heater coil with ohm meter which was OK (not open). Ordered 2 temp sensors (there are 2 in freezer, 2 in fresh food sections). The original and the new all meaured ~150 ohms. Replaced one by one. This did not fix problem. Ordered defrost thermostat. Original measured ~150 ohms - new one was ~100 ohms. Unpluged refridgerator. Removed coil panel (4 nut screws) in freezer and light cover (1 small phillips screw). Locate defrost thermostat clipped to top of coils (orange / pink wires). Cut wires and unclipped thermostat. Stripped insulation off of wires and reconnect using wire nuts. Clipped thermostat back to coils. Ran refridgerator without panel on coils to see if coils frosted up again and listend for fans/compressor to stop ( took hours). Opened freezer and viewed glow of defrost heater. Problem resolved.

Poped out with screwdriver the old swithch and unplugged the two wires. Plugged in the wires to the new swithch and pushed it back in the hole where the old switch was before.

I had lost the provided bypass filter plug. I decided to replace it with your part.

Your website was very easy to use and the product shipped very promptly. It was great experience. Thanks!

First, I removed all the shelves and the light guard. Second, I removed the nuts that held the fan guard and the freezer back in place (2 just under the fan guard and removed the freezer back. Third, lifted fan guard out of way (being very careful not to crack it..... cold plastic). Fourth, unpugged fan from pug then removed nuts that held fan bracket in place...removed fan. fifth, then removed fan blade and remove fan motor from bracket, removed two wires that went to freezer light (pay attention to where they go) and installed them into the new wireing harness. Sixth, installed fan blade on new motor, bolted new assembly in fan bracket, plugged in and reistalled fan into the freezer, replaced fan guard and freezer back (reverse order of above) and then replaced freezer racks. works beautiful.

The existing light switch was very hard to remove. I ended up having to grab it with a pair of pliers and pull it out. Once it was out, it was very easy to put in the replacement and it seems to be working fine.

I had taken the noise long enough and wanted to get this repaired. I didn't want to pay a repair man hundreds of dollars to do it so i decided to do it myself. I went on to YouTube and found a few videos that showed me how easy it was to do (very helpful).

I wasn't so sure all that noise would come from the Evaporator Fan motor so i ordered it and took the chance. For the small cost, it was worth the try.

All went well accessing the unit and removing the old part. Very fast indeed. However, the snag came when i went to plug in the new part electrical to the existing electrical adapters. The old part had 4 lead connections. The new part had 6. and the wires on the new part were different colors than the existing. I had to use some logic and courage to cut the wires on the new part and rewire the old adapter to this piece. Luckily, i wired everything correctly.

Calling Part Select got me a phone number for the parts manufacturer to help with the splicing but i opted to do it on my own.

The result is i have a noiseless refrigerator again. What should have taken 10 to 15 minutes took half an hour because of the wiring but overall, very easy.

While the switch did last for 9 years, the design is poor due to the failure mode. The failure should be to fail off or not able to turn on the lights which would be inconvenient but would not warm the refrigerator contents. Arcing at the contacts eventually caused the switch to "weld" closed. It is not obvious that this is occurring so it took some time to recognize why the temp inside the ref was high while the freezer was OK. Replacing the switch was easy once it was recognized as the problem. All that was required to replace the switch was to remove the screws holding a fiber cover and then pulling off the aluminum cap which covered the switches. Unplug the switch an squeeze the keeper on the switch to release it and pull down. Pop the replacement switch in place and plug the wires harness back in. All in all it took much less time to replace than it has to write this up. T Pope

opened refrigerator door located water filter location in right back corner unscrewd 1/2 turn and out it comes without shutting off water it is a snap to do by anyone and shipment was really quick thanks. People do not call a service tech for something this simple even a child tall enough can do it.