--- title: "Sub-Zero 30 8 05: the ice maker never asked for water" description: "What 30 8 05 means on Sub-Zero 30 8 05: the ice maker never asked for waters, what to check before booking, and when it is not a failure at all." url: "https://icemakerrepair.center/error-codes/sub-zero-30-8-05/" --- # Sub-Zero 30 8 05: the ice maker never asked for water On Classic (BI) built-in models, 30 8 05 means the main control got no signal from the ice maker telling it to open the water valve. ## What 30 8 05 actually means. On Classic (BI) built-in models, 30 8 05 means the main control got no signal from the ice maker telling it to open the water valve. On Designer integrated models the same code is worded as no water valve in signal. Either way the ice maker is not calling for water, so no new cubes form. Sub-Zero ice maker display · also shown as 30-8-05, 30805 What to do when 30 8 05 shows on the ice maker ### Kind of code Water supply and fill The ice maker asked for water and got too little, too slowly or none at all, or water kept arriving after the fill should have ended. A closed shutoff, a kinked line, a clogged filter and low house pressure are ruled out before the water inlet valve is replaced or the fill tube is thawed. If water is on the floor, close the supply valve before reading anything on the display. ### Usually leads to Ice maker water inlet valve repair The electric valve that lets water into the ice maker, tested and replaced when it will not open, opens only partway, or keeps dripping after it should have closed. ### Shows up as No Ice Coming From the Ice Maker The mold sits empty or holds one frozen batch that never drops, the bin stays bare for days, and the dispenser gives water as usual: an ice maker not making ice while the rest of the appliance carries on normally. ### Make Sub-Zero Sub-Zero ice maker service, for ice makers in built-in units and those under the counter. ### Source Sub-Zero answer: Classic built-in error code 30 8 05 Sub-Zero Classic (BI) built-in and Designer integrated models with an automatic ice maker. ## Before you book, in this order. Each step comes from Sub-Zero's own guidance for 30 8 05 on its ice makers. Follow it to the end: the last card says whether this is a visit. 01 Check that the ice maker is switched on and that the freezer is set to 0°F or colder. 02 Look in the ice maker mold for cubes that did not eject and clear them. 03 Switch the unit's home breaker off for 30 seconds and back on, then book a visit if 30 8 05 returns. ### Still there? It usually turns into [ice maker water inlet valve repair](https://icemakerrepair.center/services/water-inlet-valve-repair/). Book with the code and the model number. ### What not to do 30 8 05 is not a report of a closed shutoff valve or low house pressure. The water line may be fine; the missing piece is the ice maker's own request to fill. ## What you may notice with it. The ice maker problems 30 8 05 tends to arrive with. Answer these at the ice maker before anyone is booked. [All problems](https://icemakerrepair.center/problems/) Before you call ### [No Ice Coming From the Ice Maker](https://icemakerrepair.center/problems/ice-maker-not-making-ice/) [All 7 causes, cheapest first](https://icemakerrepair.center/problems/ice-maker-not-making-ice/) It also comes with - [**Ice Maker Making Small or Hollow Cubes**](https://icemakerrepair.center/problems/ice-maker-making-small-or-hollow-cubes/) - [**Ice Maker Error Code**](https://icemakerrepair.center/problems/ice-maker-error-code/) Problem ### No Ice Coming From the Ice Maker 7 causes, cheapest first Where 30 8 05 usually leads ## Ice maker water inlet valve repair. **Water inlet valve and its fittings · low to moderate.** Book a visit [What the job involves](https://icemakerrepair.center/services/water-inlet-valve-repair/) ## Sub-Zero ice makers. Sub-Zero ice maker service, for ice makers in built-in units and those under the counter. [Sub-Zero ice maker repair](https://icemakerrepair.center/brands/sub-zero/) More Sub-Zero codes [EC30](https://icemakerrepair.center/error-codes/sub-zero-ec30/) [30 8 10](https://icemakerrepair.center/error-codes/sub-zero-30-8-10/) [30 8 30](https://icemakerrepair.center/error-codes/sub-zero-30-8-30/) [30 9 01](https://icemakerrepair.center/error-codes/sub-zero-30-9-01/) [30 9 10](https://icemakerrepair.center/error-codes/sub-zero-30-9-10/) [30 9 86](https://icemakerrepair.center/error-codes/sub-zero-30-9-86/) [40 8 40](https://icemakerrepair.center/error-codes/sub-zero-40-8-40/) [40 8 01](https://icemakerrepair.center/error-codes/sub-zero-40-8-01/) [40 9 40](https://icemakerrepair.center/error-codes/sub-zero-40-9-40/) [50 U 86](https://icemakerrepair.center/error-codes/sub-zero-50-u-86/) [50 U 87](https://icemakerrepair.center/error-codes/sub-zero-50-u-87/) [ICE flashing blue](https://icemakerrepair.center/error-codes/sub-zero-ice-flashing-blue/) [All 15 Sub-Zero codes](https://icemakerrepair.center/error-codes/#codes-sub-zero) Water supply and fill on other makes [Café Making Ice and Filter lights flashing alternately](https://icemakerrepair.center/error-codes/cafe-making-ice-and-filter-lights-flashing-alternately/) [GE Profile Leak Detected](https://icemakerrepair.center/error-codes/ge-profile-leak-detected/) [GE Leak Detected](https://icemakerrepair.center/error-codes/ge-leak-detected/) [JennAir Replace Filter light flashing](https://icemakerrepair.center/error-codes/jennair-replace-filter-light-flashing/) [Kenmore Er gF](https://icemakerrepair.center/error-codes/kenmore-er-gf/) [KitchenAid Replace Filter light flashing](https://icemakerrepair.center/error-codes/kitchenaid-replace-filter-light-flashing/) [LG gF](https://icemakerrepair.center/error-codes/lg-gf/) [Liebherr IceMaker ON/OFF lamp flashing](https://icemakerrepair.center/error-codes/liebherr-icemaker-lamp-flashing/) [All 36 codes of this kind](https://icemakerrepair.center/error-codes/#family-water) Sub-Zero builds this ### Door ice maker The ice maker that feeds the dispenser on the outside of a door: tucked into an insulated box in the left door of a French door model, or at the top of the freezer side of a side-by-side, with a chute and an auger carrying cubes to your glass. Sub-Zero builds this ### Freezer ice maker The ice maker that sits inside the freezer compartment itself, a tray that twists or a mold with a heater and an ejector, dropping cubes into a bin or drawer you open by hand, with no dispenser on the door. Sub-Zero builds this ### Undercounter ice maker A built-in residential ice maker that lives under a kitchen, bar or basement counter, making clear cubes or chewable nugget ice on its own cooling system, with a water line in and a gravity drain or a small drain pump out. ## In Sub-Zero's own words > No signal from ice maker for fill [Sub-Zero answer: Classic built-in error code 30 8 05](https://www.subzero-wolf.com/assistance/answers/sub-zero/classic/built-in-series-error-code-30-8-05) [Sub-Zero answer: Classic built-in error code 30 8 05](https://www.subzero-wolf.com/assistance/answers/sub-zero/classic/built-in-series-error-code-30-8-05) [Sub-Zero answer: Designer integrated error code 30 8 05](https://www.subzero-wolf.com/assistance/answers/sub-zero/designer/integrated-series-error-code-30-8-05) Every code on this site is taken from the manufacturer's documentation, never from a forum or a parts listing. Sub-Zero Classic (BI) built-in and Designer integrated models with an automatic ice maker. ## Sub-Zero 30 8 05 ice maker 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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Check that the ice maker is switched on and that the freezer is set to 0°F or colder. If it comes back, it needs a visit. ### What does 30 8 05 mean on a Sub-Zero built-in? The ice maker did not send the signal that asks the control to open the water valve. Without that request the mold stays dry and the bin stops filling. ### Can a warm freezer setting cause 30 8 05 on a Sub-Zero? It can play a part. Sub-Zero's first check is that the freezer is at 0°F or below, because the ice maker waits for a cold mold before it harvests and asks for more water. ### Is 30 8 05 on a Sub-Zero the same as a water valve problem? Not necessarily. The code points at the missing request from the ice maker, so a technician tests the ice maker module and its wiring before replacing the valve. --- **[Read on the site: Sub-Zero 30 8 05: the ice maker never asked for water](https://icemakerrepair.center/error-codes/sub-zero-30-8-05/)** **[Book a visit with IceMakerRepair.center](https://icemakerrepair.center/schedule/)**