--- title: "True clear ice maker showing hi PSI: cooling system pressure too high" description: "What hi PSI means on True clear ice makers, what to check before booking, and when it is not a failure at all." url: "https://icemakerrepair.center/error-codes/true-hi-psi/" --- # True clear ice maker showing hi PSI On True's 15-inch clear ice models, hi alternating with PSI means refrigeration pressure is too high. ## What hi PSI actually means. On True's 15-inch clear ice models, hi alternating with PSI means refrigeration pressure is too high. True's first step is cleaning the condenser coil, then pressing the power button twice to reset; a coil clogged with dust or blocked airflow keeps heat in the system. True Residential ice maker display · also shown as hi, PSI What to do when hi PSI shows on the ice maker ### Kind of code Fans and airflow The fan that moves cold air to the ice maker stopped, slowed or froze in place. A door ice maker depends on that air, carried to the door through a duct, so when the fan quits the ice compartment warms and cubes melt and refreeze into clumps. Ice blocking the blades or the duct is ruled out before a motor is ordered. ### Usually leads to Diagnostic visit A visit that traces the water from the supply valve to the bin and back out through the drain, and names the one part that stopped the ice before anything is ordered. ### 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 True Residential True Residential undercounter ice maker repair, from a slow harvest to water that will not drain. ### Source True 15-inch TRUE ICE (TUI-15-D) install guide, Electronic Display Codes (true-caliber.com PDF) True Residential 15-inch clear ice models (TUI-15-D, and the ADA-height TUIADA-15-D). The letters are read from the display images in True's guide and quick reference sheet; the display alternates the two words. ## Before you book, in this order. Each step comes from True Residential's own guidance for hi PSI on its ice makers. Follow it to the end: the last card says whether this is a visit. 01 Clean the condenser coil behind the kickplate as the guide describes, or run the reverse condenser cleaning. 02 Press the power button twice to reset the machine. 03 If hi PSI returns, book a visit. ### Still there? It usually turns into [diagnostic visit](https://icemakerrepair.center/services/diagnostic-visit/). Book with the code and the model number. ### What not to do hi PSI is not about water pressure. It concerns the refrigerant pressure inside the cooling system. ## What you may notice with it. The ice maker problems hi PSI 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 Noise**](https://icemakerrepair.center/problems/ice-maker-making-noise/) - [**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 hi PSI usually leads ## Diagnostic visit. Book a visit [What the job involves](https://icemakerrepair.center/services/diagnostic-visit/) ## True Residential ice makers. True Residential undercounter ice maker repair, from a slow harvest to water that will not drain. [True Residential ice maker repair](https://icemakerrepair.center/brands/true/) More True Residential codes [drn Err](https://icemakerrepair.center/error-codes/true-drn-err/) [LnG FiL](https://icemakerrepair.center/error-codes/true-lng-fil/) [LnG ICE](https://icemakerrepair.center/error-codes/true-lng-ice/) [E1](https://icemakerrepair.center/error-codes/true-e1/) [E2](https://icemakerrepair.center/error-codes/true-e2/) [hot GAS](https://icemakerrepair.center/error-codes/true-hot-gas/) [Lo t1](https://icemakerrepair.center/error-codes/true-lo-t1/) [Lo t2](https://icemakerrepair.center/error-codes/true-lo-t2/) Fans and airflow on other makes [Kenmore Er IF](https://icemakerrepair.center/error-codes/kenmore-er-if/) [LG IF](https://icemakerrepair.center/error-codes/lg-if/) [Samsung 40E](https://icemakerrepair.center/error-codes/samsung-40e/) True Residential 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. True Residential 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 True Residential's own words > Refrigerator pressure too high [True 15-inch TRUE ICE (TUI-15-D) install guide, Electronic Display Codes (true-caliber.com PDF)](https://true-caliber.com/wp-content/uploads/2021/12/829867_TUI-15-D_Install-Manual_REV_I_EN.pdf) [True 15-inch TRUE ICE (TUI-15-D) install guide, Electronic Display Codes (true-caliber.com PDF)](https://true-caliber.com/wp-content/uploads/2021/12/829867_TUI-15-D_Install-Manual_REV_I_EN.pdf) Every code on this site is taken from the manufacturer's documentation, never from a forum or a parts listing. True Residential 15-inch clear ice models (TUI-15-D, and the ADA-height TUIADA-15-D). The letters are read from the display images in True's guide and quick reference sheet; the display alternates the two words. ## True Residential hi PSI 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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Clean the condenser coil behind the kickplate as the guide describes, or run the reverse condenser cleaning. If it comes back, it needs a visit. ### Does hi PSI mean my True water pressure is too high? No. The code is about refrigeration pressure. Water pressure problems show up as fill codes such as LnG FiL. ### How do I clear hi PSI on my True ice maker? Clean the condenser coil, then press the power button twice. If the code comes back, contact a service company. ### Why would an outdoor True ice maker show hi PSI in summer? Heat and dust make the condenser work harder. A coil clogged with pollen or lint, or a grille blocked by furniture, raises pressure on hot days. --- **[Read on the site: True clear ice maker showing hi PSI: cooling system pressure too high](https://icemakerrepair.center/error-codes/true-hi-psi/)** **[Book a visit with IceMakerRepair.center](https://icemakerrepair.center/schedule/)**