--- title: "Hatco E1: the holding cabinet has lost its air temperature sensor" description: "What E1 means on Hatco E1: the holding cabinet has lost its air temperature sensors, what to check before booking, and when it is not a failure at all." url: "https://commercialappliancerepair.center/error-codes/hatco-e1/" --- # Hatco E1: the holding cabinet has lost its air temperature sensor A Flav-R-Savor cabinet holds cooked food by balancing warm, slowly moving air with humidity, and it reads the air through one sensor. ## What E1 actually means. A Flav-R-Savor cabinet holds cooked food by balancing warm, slowly moving air with humidity, and it reads the air through one sensor. When that sensor stops giving a usable reading, the cabinet temperature display shows E1. Without it the cabinet cannot tell whether held food is warm enough, so the manual sends E1 straight to service. Hatco commercial appliance display · also shown as E1 What to do when E1 shows on the commercial appliance ### Kind of code Sensors and probes A probe is handing the controller a reading it cannot trust, or none at all: a box or coil sensor torn loose from its clip, a fryer probe coated in carbon from oil left too long between filterings, a combi core probe with a kinked cable, or a connector gone green from steam and cleaning chemicals. The unit then runs on, stops, or shuts the heat or the cooling off to protect itself. Letting it cool and restarting it as the manual describes is fair; a probe that still reads wrong sits behind a panel, and that is a visit. ### Usually leads to Commercial controls and board repair Controllers, touch panels, relays, contactors and interlocks tested, and replaced only when the evidence says so. ### Shows up as Commercial Appliance Error Code on a Combi, Fryer, Dish Machine or Laundry Display A commercial appliance error code appears as letters or numbers on a combi, fryer, reach-in controller, dish machine or laundry machine display, or as a flashing light or an alarm tone. ### Make Hatco Hatco equipment is often checked in the gap between breakfast and lunch, when the station it serves can do without it for a short while. ### Source Hatco Flav-R-Savor FSHC-5W and FSHC-7W portable holding cabinet installation and operating manual Flav-R-Savor FSHC-5W and FSHC-7W portable holding cabinets (humidified models), shown on the CABINET TEMPERATURE display. ## Before you book, in this order. Each step comes from Hatco's own guidance for E1 on its commercial appliances. Follow it to the end: the last card says whether this is a visit. 01 Check held food with a probe thermometer right away and move anything below your hot-holding minimum to another warm unit. 02 Switch the cabinet off and on once; if E1 clears, keep checking food temperatures through the shift. 03 A returning E1 retires the cabinet for now; book a visit for the air sensor and its wiring. ### Still there? It usually turns into [commercial controls and board repair](https://commercialappliancerepair.center/services/commercial-controls-and-board-repair/). Book with the code and the model number. ### What not to do E1 does not mean the heaters have failed; the cabinet may still be warm while it is blind. Its partner code E2 covers the humidity side instead of the air. ## What you may notice with it. The commercial appliance problem E1 tends to arrive with. Answer these at the commercial appliance before anyone is booked. [All problems](https://commercialappliancerepair.center/problems/) Before you call ### [Commercial Appliance Error Code on a Combi, Fryer, Dish Machine or Laundry Display](https://commercialappliancerepair.center/problems/commercial-error-code/) [All 8 causes, cheapest first](https://commercialappliancerepair.center/problems/commercial-error-code/) Problem ### Commercial Appliance Error Code on a Combi, Fryer, Dish Machine or Laundry Display 8 causes, cheapest first Where E1 usually leads ## Commercial controls and board repair. **Controller, touch panel, probe or sensor, relay, contactor, power supply, door switch or interlock, tested before anything is changed · moderate.** Book a visit [What the job involves](https://commercialappliancerepair.center/services/commercial-controls-and-board-repair/) ## Hatco commercial appliances. Hatco equipment is often checked in the gap between breakfast and lunch, when the station it serves can do without it for a short while. [Hatco commercial appliance repair](https://commercialappliancerepair.center/brands/hatco/) More Hatco codes [E2](https://commercialappliancerepair.center/error-codes/hatco-e2/) [LO H2O](https://commercialappliancerepair.center/error-codes/hatco-lo-h2o/) [Lo](https://commercialappliancerepair.center/error-codes/hatco-lo/) [Temperature Probe Error](https://commercialappliancerepair.center/error-codes/hatco-temperature-probe-error/) [Control Board Overtemp](https://commercialappliancerepair.center/error-codes/hatco-control-board-overtemp/) [Heating Error](https://commercialappliancerepair.center/error-codes/hatco-heating-error/) [Communication Error](https://commercialappliancerepair.center/error-codes/hatco-communication-error/) [Touch Panel Error](https://commercialappliancerepair.center/error-codes/hatco-touch-panel-error/) [Top Element Is Out](https://commercialappliancerepair.center/error-codes/hatco-top-element-is-out/) [Fan Is Stopped](https://commercialappliancerepair.center/error-codes/hatco-fan-is-stopped/) [Clean Fan Filters](https://commercialappliancerepair.center/error-codes/hatco-clean-fan-filters/) [Clean Right Product Sensor](https://commercialappliancerepair.center/error-codes/hatco-clean-right-product-sensor/) [All 15 Hatco codes](https://commercialappliancerepair.center/error-codes/#codes-hatco) Sensors and probes on other makes [Alto-Shaam E20](https://commercialappliancerepair.center/error-codes/alto-shaam-e20/) [Beverage-Air E01](https://commercialappliancerepair.center/error-codes/beverage-air-e01/) [Blodgett Cavity Probe Error](https://commercialappliancerepair.center/error-codes/blodgett-cavity-probe-error/) [Continental Refrigerator E0](https://commercialappliancerepair.center/error-codes/continental-refrigerator-e0/) [Delfield E01](https://commercialappliancerepair.center/error-codes/delfield-e01/) [Dexter TEMP SENSOR SHORT](https://commercialappliancerepair.center/error-codes/dexter-temp-sensor-short/) [Frymaster E13](https://commercialappliancerepair.center/error-codes/frymaster-e13/) [Garland E21](https://commercialappliancerepair.center/error-codes/garland-e21/) [All 59 codes of this kind](https://commercialappliancerepair.center/error-codes/#family-sensor) Hatco builds this ### Commercial cold storage Reach-in and pass-through cabinets, walk-in coolers and walk-in freezers, prep and sandwich tables, undercounter units and blast chillers that hold a kitchen's food at safe temperatures. Hatco builds this ### Commercial cooking equipment Fryers, griddles, charbroilers, restaurant ranges, convection and combi ovens, steamers, kettles, holding cabinets and toasters, on gas or electric, that make up the hot side of a kitchen line. Hatco builds this ### Commercial dish machines Undercounter, door-type and conveyor dish machines with their booster heaters and chemical feeds, the warewashing station that washes and sanitizes every rack before it goes back on the line. ## In Hatco's own words > E1 = Air temperature sensor malfunctioning. [Hatco Flav-R-Savor FSHC-5W and FSHC-7W portable holding cabinet installation and operating manual](https://www.hatcocorp.com/cms/IOMANUALS/000000012716981-00000-20120607.PDF) [Hatco Flav-R-Savor FSHC-5W and FSHC-7W portable holding cabinet installation and operating manual](https://www.hatcocorp.com/cms/IOMANUALS/000000012716981-00000-20120607.PDF) Every code on this site is taken from the manufacturer's documentation, never from a forum or a parts listing. Flav-R-Savor FSHC-5W and FSHC-7W portable holding cabinets (humidified models), shown on the CABINET TEMPERATURE display. ## Hatco E1 commercial appliance 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 held food with a probe thermometer right away and move anything below your hot-holding minimum to another warm unit. If it comes back, it needs a visit. ### Can I keep holding food in a Hatco cabinet that shows E1? Only while you check it with a thermometer, because the cabinet cannot measure its own air. Health codes expect hot-held food to stay above the safe limit, and E1 removes the cabinet's proof of that. ### Does E1 on a Hatco holding cabinet mean the heater is broken? No. E1 names the air temperature sensor. The heater may still run, just without accurate control. ### Is E1 the same on every Hatco cabinet? The FSHC-5W and FSHC-7W manual is where Hatco defines it. Other cabinet families may show different codes, so match the code to the manual for your own model. --- **[Read on the site: Hatco E1: the holding cabinet has lost its air temperature sensor](https://commercialappliancerepair.center/error-codes/hatco-e1/)** **[Book a visit with CommercialApplianceRepair.center](https://commercialappliancerepair.center/schedule/)**