--- title: "JennAir: a newly installed dish-care machine that won’t drain" description: "What Not Draining — Newly Installed means on JennAir: a newly installed dish-care machine that won’t drains, what to check before booking, and when it is not a…" url: "https://applianceinstallation.center/error-codes/jennair-newly-installed-dishwasher-not-draining/" --- # JennAir: a newly installed dish-care machine that won’t drain JennAir names the garbage-disposal knockout plug as critical for draining a newly installed dishwasher and calls a plug left in place a common misdiagnosis, alongside a drain hose that needs a proper high loop or air gap. ## What Not Draining — Newly Installed actually means. JennAir names the garbage-disposal knockout plug as critical for draining a newly installed dishwasher and calls a plug left in place a common misdiagnosis, alongside a drain hose that needs a proper high loop or air gap. JennAir appliance display What to do when Not Draining — Newly Installed shows on the appliance ### Kind of code Water supply and drain The new appliance is reporting what it gets from the water connections behind it. A no-water or slow-fill message on the first fill usually means the supply valve is still closed or only half open, or the new line kinked when the unit slid back; a drain message means the drain hose is pinched, pushed too deep into the standpipe, or looped higher or lower than the installation instructions allow. Open the valve fully, straighten the hose, set it to the height the manual gives, and run the cycle again. ### Usually leads to Water supply and shutoff connection New supply lines from a working quarter-turn stop to each water appliance, tested under pressure. ### Shows up as Appliance Installation Code on a New Unit: Setup Modes and Hookup Messages An appliance installation code is a message a new unit shows because of how it was set up: a demo mode, a water or drain alert, a vent warning or a power check. ### Make JennAir JennAir installs are built-in kitchens: panel-ready cold storage columns, wall ovens, ranges, downdraft or hood ventilation and dishwashers. ### Source JennAir support: Newly Installed Dishwasher Not Draining Confirmed on JennAir’s dishwasher support page, on the same producthelp platform its sibling brands use. ## Before you book, in this order. Each step comes from JennAir's own guidance for Not Draining — Newly Installed on its appliances. Follow it to the end: the last card says whether this is a visit. 01 Check the garbage disposal inlet for the knockout plug and remove it if it is still in place. 02 Inspect the drain hose for kinking, crushing, or sitting too low, and confirm it is clamped securely. 03 Confirm the hose has a proper high loop, or is connected to an air gap, as required by local codes. 04 Run the disposal briefly to clear any food clog, then run a drain cycle; if standing water remains, book a visit. ### Still there? It usually turns into [water supply and shutoff connection](https://applianceinstallation.center/services/water-supply-and-shutoff-connection/). Book with the code and the model number. ### What not to do This is a newly installed unit’s drainage problem tied to the hookup, not a worn drain pump or a filter clogged from months of use. A machine that drained fine for a year and has just begun backing up is a different, wear-related problem. ## What you may notice with it. The appliance problems Not Draining — Newly Installed tends to arrive with. Answer these at the appliance before anyone is booked. [All problems](https://applianceinstallation.center/problems/) Before you call ### [Appliance Installation Code on a New Unit: Setup Modes and Hookup Messages](https://applianceinstallation.center/problems/appliance-installation-code/) [All 8 causes, cheapest first](https://applianceinstallation.center/problems/appliance-installation-code/) It also comes with - [**Drain Backing Up After an Install: Plug, Loop and Standpipe**](https://applianceinstallation.center/problems/drain-backing-up-after-install/) Problem ### Appliance Installation Code on a New Unit: Setup Modes and Hookup Messages 8 causes, cheapest first Where Not Draining — Newly Installed usually leads ## Water supply and shutoff connection. **New supply line and quarter-turn stop for a refrigerator, ice maker, dish care machine or laundry pair, flushed and tested under pressure · low.** Book a visit [What the job involves](https://applianceinstallation.center/services/water-supply-and-shutoff-connection/) ## JennAir appliances. JennAir installs are built-in kitchens: panel-ready cold storage columns, wall ovens, ranges, downdraft or hood ventilation and dishwashers. [JennAir appliance installation](https://applianceinstallation.center/brands/jennair/) More JennAir codes [DEMO MODE](https://applianceinstallation.center/error-codes/jennair-demo-mode-wine-cellar-column/) [TEMPERATURE ALARM](https://applianceinstallation.center/error-codes/jennair-temperature-alarm-column/) Water supply and drain on other makes [ASKO F12](https://applianceinstallation.center/error-codes/asko-f12/) [Bosch E17](https://applianceinstallation.center/error-codes/bosch-e17/) [Cove Error 800115](https://applianceinstallation.center/error-codes/cove-error-800115/) [Dacor 4C](https://applianceinstallation.center/error-codes/dacor-4c/) [DCS Blank display / OFF after power interruption](https://applianceinstallation.center/error-codes/dcs-drain-restriction-power-cutoff/) [Electrolux HO SE](https://applianceinstallation.center/error-codes/electrolux-ho-se-reversed-hoses/) [Fisher & Paykel Water is not getting to the machine](https://applianceinstallation.center/error-codes/fisher-and-paykel-water-not-getting-to-the-machine/) [Frigidaire E1](https://applianceinstallation.center/error-codes/frigidaire-e1/) [All 39 codes of this kind](https://applianceinstallation.center/error-codes/#family-water) JennAir builds this ### Cold storage Setting a new refrigerator, freezer, wine or beverage unit or ice maker into its opening: measured, connected to water, leveled and started. JennAir builds this ### Cooking appliances Hooking up ranges, cooktops, wall ovens, microwaves and hoods: gas connectors leak-tested, anti-tip brackets fastened, ducts sized and the first light checked. JennAir builds this ### Dish care Fitting a new dishwasher or dish drawer under the counter: supply line, drain loop or air gap, power, mounting brackets and a first test cycle. ## In JennAir's own words > Removing the knock-out plug is critical for draining the dishwasher [JennAir support: Newly Installed Dishwasher Not Draining](https://producthelp.jennair.com/Dishwashers/Product_Info/Dishwasher_Product_Assistance/Newly_Installed_Dishwasher_Not_Draining) [JennAir support: Newly Installed Dishwasher Not Draining](https://producthelp.jennair.com/Dishwashers/Product_Info/Dishwasher_Product_Assistance/Newly_Installed_Dishwasher_Not_Draining) Every code on this site is taken from the manufacturer's documentation, never from a forum or a parts listing. Confirmed on JennAir’s dishwasher support page, on the same producthelp platform its sibling brands use. ## JennAir Not Draining — Newly Installed appliance installation, 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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Check the garbage disposal inlet for the knockout plug and remove it if it is still in place. If it comes back, it needs a visit. ### Why does my brand-new JennAir dish-care machine leave water in the bottom after its first runs? JennAir points first at the garbage-disposal knockout plug, which must be removed for drainage to work, and second at the drain hose needing a proper high loop or air gap. ### What is the knockout plug JennAir mentions for a new dish-care machine install? It is a small plastic disc inside a new garbage disposal’s dishwasher inlet that has to be knocked out before the drain hose is connected; left in, it blocks the drain path entirely. ### I checked the knockout plug and it’s out, but my new JennAir dish-care machine still won’t drain — what next? Check the drain hose for a kink or a run that sits too low, and confirm it meets the high-loop or air-gap requirement; a clogged disposer downstream is the other cause JennAir names. --- **[Read on the site: JennAir: a newly installed dish-care machine that won’t drain](https://applianceinstallation.center/error-codes/jennair-newly-installed-dishwasher-not-draining/)** **[Book a visit with ApplianceInstallation.center](https://applianceinstallation.center/schedule/)**