ZISP420DXCSS General Electric Refrigerator - Instructions

I applied heat to the area with a hair drier. Used a little too much heat and deformed the ice funnel which also controls the water spigot. Ordered a new ice funnel from PartSelect. Part arrived in about a week and included a schematic of the mechanism which made disassembly and reassembly very easy. In a short time everything was working like new.

Ordered new solenoid so the flap would close. That did the trick.

remove old bulb by screwing it out/install new bulb by screwing it in.

First, turn off power - since I did not want to pull the refrigerator out on my wood floor I tripped the circuit breaker to that circuit and opened door to make sure interior light was off (ensuring power was off). This unit has a bottom freezer, I took out all shelves, ice maker and all parts in the way of accessing back of interior of freezer section. Removed back plastic section by removing one screw in middle top of back panel and prying it out. This was a bit difficult as it was in there a bit tight but once the plastic warmed up it pulled out ok. This revealed the compressor section and temp sensor that was attached to the copper coils with of all things - a zip tie! In pictures of this that I looked at on various web sites the sensor was on a metal bracket attached to the coil so it made me wonder if tf the factory took a shortcut? I cut the old sensor wire, stripped the two wires 1/2", and connected them to the new sensor wire with butt connectors, I put some silicone into the ends of the butt connectors to prevent moisture from entering into connectors and wrapped the connection in black electrical tape. I then "attached" the sensor to the coil using a zip tie, put the plastic back piece back on, inserted everything I took out and put power back to refrigerator. It's been 3 days and temp of refrigerator is stable, ice maker not clogging up, and compressor not running all the time! So far so good.

If you have a reverse osmosis system for filtered water system in your home that also feeds the refrigerator, using another water filter in the refrigerator is redundant, so GE makes a Water filter Bypass Cap that allows you to run using the already filtered water without needing to expensive water filter. FIRST - using a phillips screw driver remove the toe kick plate at the bottom front of the refrigerator - two screws - one on each side of the plate that extends the entire width of the refrigerator. SECOND - Locate the water line (should be right in front) and the valve to turn off the water. Turn valve clockwise (right) until completely closed. Then test by attempting to fill a glass with water using the dispenser on the door. If any water continues to come out, continue turning the valve (without forcing it) clockwise until it has been turned as much as possible. If water still comes from dispenser, locate the source of the water line - most likely from under the kitchen sink. There should be another valve under the sink, or simply turn off (turn the cold water valve clockwise) until water cold water completely turned off. Test again as required. THIRD - clear the top right hand back shelf directly under the water filter screwed into the ceiling of the refrigerator in the rear top right side of the refrigerator. Place a small towel under the water filter, and slowly turn the filter 1/4 turn clockwise without using force. Continue turning until the full 1/4 turn is complete and the filter will drop down without pulling. Place the old filter upside down in the sink, thereby allowing the filter to drain any water present in the filter. FOURTH - remove the filter plug from package, notice notches in top of plug that align with gaps in the area where a filter would typically be screwed into the filter location in the ceiling above the top right shelf in the refrigerator. After aligning notches in the bypass plug with gaps in the screw mechanism, carefully turn the bypass plug 1/4 turn counter- clockwise - at which time the bypass plug should be firmly installed. FIFTH - Reverse step SECOND, and turn valve Counter-Clockwise until valve is completely open. Test to ensure no water is leaking from the Bypass Plug. SIXTH - Finally reverse step FIRST by reattaching the toe kick plate using the two phillips screws removed in Step FIRST. NOTE: The Bypass Plug is quite inexpensive, but after adding shipping from Canada - the cost is about the same as purchasing a new filter for the refrigerator. :-(

Remove the top cover above the door by lifting it slightly and pulling forward. I used a mirror to make sure that there was nothing in the way of accessing the switch from above. I used a blade screwdriver to press against the switch retainer on the topside, while GENTLY prying from below with another blade screwdriver to get the switch dislodged. Once the retainer was past the opening, I wiggled the switch downward and then rotated it to the left when the rounded top right edge of the switch was visible. This allowed the wiring to the connector to pass thru the hole. I pushed the wiring from the top and pulled from below to get the connector below the opening for the switch. I then unplugged the switch, plugged in the new switch and reversed the removal process feeding the connector thru first then rotating the switch to the right to get the rounded edge of the switch thru the opening, then pressed the switch up into the opening until it snapped into place. Total time less than 10 minutes.

with a philips screw driver and that's all it was that easy

with a jewelry screwdriver I pried the lock tab in and pulled switch down carefully, the hardest part was that the power wire connector was stuck on good but the pliers and the jewelry screwdriver was its match for a bout 5 minute for one connection a simple pull off prong connection. After the wire connected back to switch it popped back in SNAPP

replace a new blub

Remove control panel.
Remove four screw in control panel bracket.
Remove to bottom screws at bottom of solinid loose top screw.
Replace all screws.

Removed face plate, which holds the circuit board. Removed the next section be removing the 4 screws that hold it in place. Then removed the old solenoid, and replaced it with the new one.

First tried just replacing flap/spring and mounting. Still did not work so then order a new solenoid with piston that attaches to mounting. That solved problem completely. Corrosion around piston prevented fluid movement of flap. Easy fix after watching video. Saved a bundle I'm sure. Thanks !!!

- With a plastic thin putty knife remove the trim panel around the water dispenser. There are plastic clips along each side that just need to be slid inward slightly to release the trim. The thin plastic putty knife worked great for this.
- Remove the electronic panel by pushing the top of the panel down slightly to pull out at the top. The bottom will then come out easily. Remove all electrical connections so the board can be detached completely.
- Unscrew the four screws at the corner of the Dispenser Housing Shield. Before removing, note the position of the wire runs for re-installation.
- Take some pictures of how the old Ice Funnel is attached then remove it and reinstall the new Funnel.
- Make sure wires are in their proper place before screwing the Dispenser Housing Shield back in place with the four screws.
- Connect wires to back of electrical panel and angle the panel into the proper place at the bottom and then pull down slightly to go in the top.
- Reattach the trim by gently pressing the plastic tabs into each slot.

unscrewed old bulb and screwed in new bulb. checked and new bulb works great. less than five minutes to complete.

We had problems with the ice dispenser chute building up frost from condensation freezing due to the flap not closing properly. It would clog up completely and often. I had already replaced the flap and spring years ago but it didn't help much. I Googled this problem for my model and found a video detailing how to check and change the solenoid. Sure enough, the solenoid was completely corroded and crumbled in my hands as I removed it. I ordered the replacement part and made the repair myself. The video was perfect in describing. If your refrigerator is well used as ours is, you'll be shocked by the buildup and cleaning that will be necessary as you make this repair. I ended up taking much more of the dispensing assembly apart so I could clean it with warm soapy bleach water. Be mindful as you disassemble or take photos / videos with your smartphone to help put it back together. It took longer to clean than replace the solenoid. Also, be careful if you have an island or other cabinetry close by. If you have to pull the refrigerator out to unplug it, the handles can chip granite edges or the top corners can scratch wood work. We have cherry cabinets that surround ours. I chipped the edge of the granite when I pulled it out and I scratched the wood as I pushed it back in place. Minor repairs but can save you some frustration. Good luck!