--- title: "ZLINE E1: the dish care machine's fill is too slow because of the water supply" description: "What E1 means on ZLINE E1: the dish care machine's fill is too slow because of the water supplys, what to check before booking, and when it is not a failure at…" url: "https://applianceinstallation.center/error-codes/zline-e1-slow-fill/" --- # ZLINE E1: the dish care machine's fill is too slow because of the water supply ZLINE's own dishwasher troubleshooting table lists E1 with three possible causes, all on the supply side: the faucet is not opened, the water intake is restricted, or the water pressure is too low, none of which point to a part inside the dishwasher. ## What E1 actually means. ZLINE's own dishwasher troubleshooting table lists E1 with three possible causes, all on the supply side: the faucet is not opened, the water intake is restricted, or the water pressure is too low, none of which point to a part inside the dishwasher. ZLINE appliance display What to do when E1 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 New Appliance Not Level: Rocking Cabinets and Uneven Gaps A new appliance not level rocks when pressed at a corner, sits out of line with the counter, or shows a gap that widens from one side to the other. ### Make ZLINE ZLINE installs are mostly gas, dual-fuel and induction ranges with a matching hood, and increasingly the dishwashers and refrigeration beside them. ### Source ZLINE DWMT-24 Monument dishwasher user manual Confirmed on ZLINE's DWMT-24 Monument dishwasher user manual code table. ## Before you book, in this order. Each step comes from ZLINE's own guidance for E1 on its appliances. Follow it to the end: the last card says whether this is a visit. 01 Check that the water supply valve behind the dishwasher is fully open, not just cracked. 02 Check the inlet hose for kinks or a clogged inline filter that would restrict water intake. 03 Confirm household water pressure is adequate by checking another fixture nearby. 04 If E1 continues once the supply is confirmed open and unrestricted, 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 E1 points at the water supply reaching the dishwasher, not at a failed inlet valve inside it; it is a different code from E4 (overflow), which points at a leak rather than a slow fill. ## What you may notice with it. The appliance problems E1 tends to arrive with. Answer these at the appliance before anyone is booked. [All problems](https://applianceinstallation.center/problems/) Before you call ### [New Appliance Not Level: Rocking Cabinets and Uneven Gaps](https://applianceinstallation.center/problems/appliance-not-level/) [All 6 causes, cheapest first](https://applianceinstallation.center/problems/appliance-not-level/) It also comes with - [**Appliance Installation Code on a New Unit: Setup Modes and Hookup Messages**](https://applianceinstallation.center/problems/appliance-installation-code/) Problem ### New Appliance Not Level: Rocking Cabinets and Uneven Gaps 6 causes, cheapest first Where E1 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/) ## ZLINE appliances. ZLINE installs are mostly gas, dual-fuel and induction ranges with a matching hood, and increasingly the dishwashers and refrigeration beside them. [ZLINE appliance installation](https://applianceinstallation.center/brands/zline/) 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) ZLINE 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. ZLINE 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. ZLINE 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 ZLINE's own words > Slow fill time/fill time has exceeded time alloted [ZLINE DWMT-24 Monument dishwasher user manual](https://cdn.shopify.com/s/files/1/0596/2504/6223/files/ZLINE_DWMT_Dishwasher_User_Manual_August_2024.pdf) [ZLINE DWMT-24 Monument dishwasher user manual](https://cdn.shopify.com/s/files/1/0596/2504/6223/files/ZLINE_DWMT_Dishwasher_User_Manual_August_2024.pdf) Every code on this site is taken from the manufacturer's documentation, never from a forum or a parts listing. Confirmed on ZLINE's DWMT-24 Monument dishwasher user manual code table. ## ZLINE E1 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 that the water supply valve behind the dishwasher is fully open, not just cracked. If it comes back, it needs a visit. ### What does E1 mean on a new ZLINE dish care machine? It means the fill took longer than the machine allows, and ZLINE's own table lists a closed faucet, restricted intake or low water pressure as the causes, all things to check at the supply line rather than inside the dishwasher. ### Could a half-open shutoff valve cause a ZLINE E1 code? Yes, a valve that is not fully open restricts the water intake exactly the way the manual describes, and is one of the first things worth checking on a freshly installed unit. ### Is E1 the same as E4 on a ZLINE dish care machine? No. E1 is a slow or incomplete fill tied to the water supply, while E4 means an overflow caused by a leak, which is a different condition with a different cause. --- **[Read on the site: ZLINE E1: the dish care machine's fill is too slow because of the water supply](https://applianceinstallation.center/error-codes/zline-e1-slow-fill/)** **[Book a visit with ApplianceInstallation.center](https://applianceinstallation.center/schedule/)**