--- title: "True Appliance Maintenance | ApplianceMaintenance.center" description: "True Residential home appliance maintenance. True Residential units carry commercial-style cooling into the home, and their undercounter coils and heavy door…" url: "https://appliancemaintenance.center/brands/true/" --- # True Appliance Maintenance True Residential units carry commercial-style cooling into the home, and their undercounter coils and heavy door gaskets need the same regular cleaning a restaurant unit gets. ## True Residential home appliances, specifically. True Residential, now sold as True Caliber, is a cold-storage-only brand: columns, undercounter units and wine storage built with commercial-grade parts, and its own service manual is candid that a dirty condenser is an owner responsibility, not a warranty item, which makes condenser upkeep the single most common preventive visit we schedule for this brand. The True Residential lineup ### Builds 1 home appliance type Cold storage ### Called out for Cold Storage Running Nonstop: Coil Dust, Clearance and Door Seals and 5 more problems on True Residential ### Services we do 10 services, on any make Whole-home maintenance visit · Condenser coil cleaning · Water filter and descaling service · Door seal check and replacement ### Error codes High Temperature Alarm · Door Ajar Alarm 2 True Residential codes with a page of their own ## The True Residential lineup. True Residential builds 1 of the 4 home appliance types this site covers. Which one decides how the visit is planned. [All home appliance types](https://appliancemaintenance.center/types/) Cold storage unit ### Cold storage **6** of the problems we see on True Residential come up on it Cold storage maintenance ## What is particular to True Residential. We maintain True Residential (True Caliber) refrigerator and freezer columns, undercounter refrigerators and freezer drawers, and wine storage built for outdoor and indoor installation. ### Condenser cleaning is explicitly outside the warranty True's own service manual states plainly that "warranty does not cover cleaning the condenser coil," and asks owners to vacuum or wipe dust and build-up from the tube assembly until they can see through it — a task True puts squarely on the owner's side of the line. ### A high-temperature alarm timed to a full hour True's control does not sound an alarm the moment a cabinet drifts warm; it waits for the zone to hold roughly 50°F in a refrigerator (or about 70°F in a wine cabinet) for a full consecutive hour before it posts a high-temperature alert, which rules out a single quick door opening as the cause. ### A door-ajar alarm on a seven-minute delay True's control gives a door seven minutes before it raises a door-ajar alarm alongside the high-temperature alert, long enough that normal loading and unloading will not set it off, but short enough to catch a door that has been left resting on a shelf. ### A gasket cleaned by hand, on the unit off True's own cleaning steps for the door gasket start with turning the unit off, then a mild detergent and water, moving to a diluted bleach solution only where mold or mildew is visible — a sequence worth following in that order rather than reaching straight for bleach. Parts True builds its own condensing units into columns and undercounter cabinets behind a front grille, so the condenser is reachable without pulling the unit out, and True stocks its own service manuals by model and control-board revision rather than one document for the whole lineup. Repair or replace A True cabinet that is only running warm from a dusty condenser or an unlatched door is a straightforward maintenance visit; we only discuss replacement once the sealed system itself, not the owner-serviceable coil, is the problem. Book your True Residential visit ## What we are called out for. On True Residential, most often cold storage running nonstop: coil dust, clearance and door seals. [All problems](https://appliancemaintenance.center/problems/) True Residential error codes [`High Temperature Alarm` Temperature](https://appliancemaintenance.center/error-codes/true-high-temperature-alarm/) [`Door Ajar Alarm` Sensors](https://appliancemaintenance.center/error-codes/true-door-ajar-alarm/) [All True Residential codes](https://appliancemaintenance.center/error-codes/#codes-true) ### Cold Storage Running Nonstop: Coil Dust, Clearance and Door Seals 6 causes, cheapest first ### Frost Building Up in the Freezer Between Defrosts 6 causes, cheapest first ### Door Seal Not Holding: Gaps, Tears and Doors That Drift Open 6 causes, cheapest first ### Water or Ice Tasting Stale: Filter Age, Scale and Idle Lines 6 causes, cheapest first ### Appliance Energy Use Creeping Up With Nothing Else Changed 6 causes, cheapest first ### Appliance Maintenance Code or Reminder Light: Filter, Descale, Vent Check 8 causes, cheapest first ## Not a True Residential? True Residential is one of 35 home appliance makes on this site. The other 34 each have a page of their own. [All 35 brands](https://appliancemaintenance.center/brands/) ## True Residential home appliance maintenance, where we come out. 9 metros, each with its own page. 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No — True's own service manual states that warranty does not cover cleaning the condenser coil, which is why we treat it as a scheduled maintenance task rather than something to wait on a warranty visit for. ### Why does my True unit take an hour to alarm after it starts running warm? True's control is built to ignore short-term temperature swings from normal use; it only raises a high-temperature alarm once the zone has held roughly 50°F in a refrigerator, or about 70°F in a wine cabinet, for a full consecutive hour. ### How long can a True door sit ajar before the alarm sounds? True's control allows about seven minutes before it raises a door-ajar alarm, which is enough time for normal loading but will still catch a door left resting open. --- **[Read on the site: True Appliance Maintenance | ApplianceMaintenance.center](https://appliancemaintenance.center/brands/true/)** **[Book a visit with ApplianceMaintenance.center](https://appliancemaintenance.center/schedule/)**