--- title: "GE dishwasher showing C4 | DishwasherRepair.center" description: "What C4 means on GE dishwashers, what to check before booking, and when it is not a failure at all." url: "https://dishwasherrepair.center/error-codes/ge-c4/" --- # GE dishwasher showing C4 GE lists three possible reasons: the machine filled twice after a power interruption, the float switch is stuck or failed, or the drain or sump is clogged. ## What C4 actually means. GE lists three possible reasons: the machine filled twice after a power interruption, the float switch is stuck or failed, or the drain or sump is clogged. GE dishwasher display What to do when C4 shows on the dishwasher ### Kind of code Water supply Not enough water arrived, or it arrived too slowly. The supply valve under the sink and the inlet screen are checked before the fill valve itself. ### Usually leads to Fill and water valve repair A dishwasher that will not fill, fills too little, or keeps filling, traced through the valve, the float and the supply. ### Shows up as Dishwasher Not Filling With Water The cycle starts and hums, but little or no water comes into the tub. ### Make GE Everyday built-in dishwashers from GE Appliances, found in a large share of American homes. ### Source GE Appliances support: dishwasher error and function codes One of the numbered C codes on GE electronic-control dishwashers; not every model uses it. ## Before you book, in this order. Each step comes from GE's own guidance for C4 on its dishwashers. Follow it to the end: the last card says whether this is a visit. 01 Touch Start and then Cancel/Reset to clear the display. 02 Tap the float cover — the small upturned cup at the front left of the tub floor — so a stuck float can drop free. 03 Check the sump area at the back of the tub floor for debris, then book a visit if C4 appears again. ### Still there? It usually turns into [fill and water valve repair](https://dishwasherrepair.center/services/fill-and-water-valve-repair/). Book with the code and the model number. ### What not to do Do not pry the float cover off with a screwdriver. A light tap is all GE suggests, and a cracked cover lets the float jam for good. ## What you may notice with it. The dishwasher problems C4 tends to arrive with. Answer these at the dishwasher before anyone is booked. [All problems](https://dishwasherrepair.center/problems/) Before you call ### [Dishwasher Not Filling With Water](https://dishwasherrepair.center/problems/dishwasher-not-filling/) [All 5 causes, cheapest first](https://dishwasherrepair.center/problems/dishwasher-not-filling/) It also comes with - [**Dishwasher Cycle Takes Too Long**](https://dishwasherrepair.center/problems/dishwasher-cycle-too-long/) Problem ### Dishwasher Not Filling With Water 5 causes, cheapest first Where C4 usually leads ## Fill and water valve repair. **Water inlet valve or float switch · low.** Book a visit [What the job involves](https://dishwasherrepair.center/services/fill-and-water-valve-repair/) ## Read these before the visit. Short guides that make the call quicker and the diagnosis cheaper. [All guides](https://dishwasherrepair.center/guides/) Fitted right the first time ### Water Supply and Hot Water Temperature Checks you can make yourself ### Five checks before you call for dishwasher repair Error codes ### All 188 codes, by make ## GE dishwashers. Everyday built-in dishwashers from GE Appliances, found in a large share of American homes. [GE dishwasher repair](https://dishwasherrepair.center/brands/ge/) More GE codes [LEAK DETECTED](https://dishwasherrepair.center/error-codes/ge-leak-detected/) [999](https://dishwasherrepair.center/error-codes/ge-999-floor-protect/) [C1](https://dishwasherrepair.center/error-codes/ge-c1/) [C3](https://dishwasherrepair.center/error-codes/ge-c3/) [FTD](https://dishwasherrepair.center/error-codes/ge-ftd/) [H2O](https://dishwasherrepair.center/error-codes/ge-h2o/) [C6](https://dishwasherrepair.center/error-codes/ge-c6/) [C7](https://dishwasherrepair.center/error-codes/ge-c7/) [PrS](https://dishwasherrepair.center/error-codes/ge-prs/) Water supply on other makes [ASKO F12](https://dishwasherrepair.center/error-codes/asko-f12/) [Bertazzoni FF](https://dishwasherrepair.center/error-codes/bertazzoni-ff/) [Bosch E16](https://dishwasherrepair.center/error-codes/bosch-e16/) [Cove 560186](https://dishwasherrepair.center/error-codes/cove-560186/) [Dacor 4C](https://dishwasherrepair.center/error-codes/dacor-4c/) [Fisher & Paykel A1](https://dishwasherrepair.center/error-codes/fisher-and-paykel-a1/) [Fulgor Milano E2](https://dishwasherrepair.center/error-codes/fulgor-milano-e2/) [Gaggenau E:3200](https://dishwasherrepair.center/error-codes/gaggenau-e3200/) [All 44 codes of this kind](https://dishwasherrepair.center/error-codes/#family-fill) GE builds this ### Built-in dishwasher The standard 24-inch machine under the counter, and the one nearly every American kitchen has. ## In GE's own words > Machine filled twice after a power failure. Float switch stuck or failed. Clogged drain or sump. [GE Appliances support: dishwasher error and function codes](https://products.geappliances.com/appliance/gea-support-search-content?contentId=16673) Every code on this site is taken from the manufacturer's documentation, never from a forum or a parts listing. One of the numbered C codes on GE electronic-control dishwashers; not every model uses it. ## GE C4 dishwasher repair, where we come out. The same visit in every metro below: the code, the model number, and a diagnosis before any part is ordered. 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Touch Start and then Cancel/Reset to clear the display. If it comes back, it needs a visit. ### What is the float cover mentioned for GE C4? Look for a small inverted cup near the front left corner of the tub floor. A light tap can free a stuck float beneath it. ### How do I clear GE C4 from the display? Press Start, then Cancel/Reset, to clear the reading. If C4 appears again after checking the sump, book a visit. --- **[Read on the site: GE dishwasher showing C4 | DishwasherRepair.center](https://dishwasherrepair.center/error-codes/ge-c4/)** **[Book a visit with DishwasherRepair.center](https://dishwasherrepair.center/schedule/)**