--- title: "Kenmore refrigerator showing rD Lo or rD Hi" description: "What rD Lo or rD Hi means on Kenmore refrigerators, what to check before booking, and when it is not a failure at all." url: "https://refrigeratorrepair.center/error-codes/kenmore-rd-111/" --- # Kenmore refrigerator showing rD Lo or rD Hi rD Lo or rD Hi is the fresh food defrost sensor on the Trio bottom-freezer, the one on the coil that serves the fresh food section. ## What rD Lo or rD Hi actually means. rD Lo or rD Hi is the fresh food defrost sensor on the Trio bottom-freezer, the one on the coil that serves the fresh food section. Sears traces its wiring to the control board and expects the sensor itself to measure 8,000 to 40,000 ohms. Kenmore refrigerator display · also shown as rD Lo, rD Hi What to do when rD Lo or rD Hi shows on the refrigerator ### Kind of code Sensor circuit A temperature sensor reading outside its range, or the wiring to it. The reading is confirmed with a meter before any part is ordered. ### Usually leads to Controls and sensors A refrigerator cools to what it believes the temperature is, and a sensor reading wrong is obeyed perfectly. ### Shows up as Frost Building Up in the Refrigerator Ice on the back wall, around the door, or over the whole freezer — and each location means something different. ### Make Kenmore A retail badge on appliances built by several different manufacturers. ### Source Sears PartsDirect: Kenmore 111 bottom-freezer error codes (Wayback copy, Nov 2019) Kenmore bottom-freezer Trio models whose number starts 111, which have a separate coil for the fresh food side; rD Lo and rD Hi are diagnostic mode codes. ## Before you book, in this order. Each step comes from Kenmore's own guidance for rD Lo or rD Hi on its refrigerators. Follow it to the end: the last card says whether this is a visit. 01 Check that the number on the model label begins 111 and the unit is a bottom-freezer. 02 Note whether the fresh food side has been running warmer than usual in the last few days. 03 Book a visit and read out rD, so the second coil's sensor is checked rather than the freezer's. ### Still there? It usually turns into [controls and sensors](https://refrigeratorrepair.center/services/controls-and-sensors/). Book with the code and the model number. ### What not to do rD is not the same as rt. rD is a defrost sensor inside the cabinet, while rt reads the room. ## What you may notice with it. The refrigerator problems rD Lo or rD Hi tends to arrive with. Answer these at the refrigerator before anyone is booked. [All problems](https://refrigeratorrepair.center/problems/) Before you call ### [Frost Building Up in the Refrigerator](https://refrigeratorrepair.center/problems/frost-buildup/) [All 4 causes, cheapest first](https://refrigeratorrepair.center/problems/frost-buildup/) It also comes with - [**Fresh Food Section Warm, Freezer Cold**](https://refrigeratorrepair.center/problems/fresh-food-warm-freezer-cold/) Problem ### Frost Building Up in the Refrigerator 4 causes, cheapest first Where rD Lo or rD Hi usually leads ## Controls and sensors. **Control board · moderate.** Book a visit [What the job involves](https://refrigeratorrepair.center/services/controls-and-sensors/) ## Read these before the visit. Short guides that make the call quicker and the diagnosis cheaper. [All guides](https://refrigeratorrepair.center/guides/) What you can check yourself ### Five observations that narrow a refrigerator problem down before anyone visits What you can check yourself ### Where the model number hides, and why nothing works without it Error codes ### All 247 codes, by make ## Kenmore refrigerators. A retail badge on appliances built by several different manufacturers. [Kenmore refrigerator repair](https://refrigeratorrepair.center/brands/kenmore/) More Kenmore codes [COOLING OFF](https://refrigeratorrepair.center/error-codes/kenmore-cooling-off/) [Er FF](https://refrigeratorrepair.center/error-codes/kenmore-er-ff/) [F dH](https://refrigeratorrepair.center/error-codes/kenmore-dh/) [Door Ajar](https://refrigeratorrepair.center/error-codes/kenmore-frigidaire-door-ajar/) [Sb](https://refrigeratorrepair.center/error-codes/kenmore-frigidaire-sb-sb/) [Er FS](https://refrigeratorrepair.center/error-codes/kenmore-er-fs/) [Er rS](https://refrigeratorrepair.center/error-codes/kenmore-er-rs/) [F dS](https://refrigeratorrepair.center/error-codes/kenmore-f-ds/) [r dS](https://refrigeratorrepair.center/error-codes/kenmore-r-ds/) [Er HS](https://refrigeratorrepair.center/error-codes/kenmore-er-hs/) [Er IS](https://refrigeratorrepair.center/error-codes/kenmore-er-is/) [Er SS](https://refrigeratorrepair.center/error-codes/kenmore-er-ss/) [All 51 Kenmore codes](https://refrigeratorrepair.center/error-codes/#codes-kenmore) Sensor circuit on other makes [Samsung 5E](https://refrigeratorrepair.center/error-codes/samsung-5e/) [LG ER rS](https://refrigeratorrepair.center/error-codes/lg-er-rs/) [Sub-Zero 10 R 00](https://refrigeratorrepair.center/error-codes/sub-zero-10-r-00/) [Viking E3](https://refrigeratorrepair.center/error-codes/viking-e3/) [Gaggenau Sensor fault](https://refrigeratorrepair.center/error-codes/gaggenau-sensor-warning/) [Miele F114](https://refrigeratorrepair.center/error-codes/miele-f114/) [U-Line Zone T Open](https://refrigeratorrepair.center/error-codes/u-line-zone-t-open/) [Frigidaire OP](https://refrigeratorrepair.center/error-codes/frigidaire-op/) [All 32 codes of this kind](https://refrigeratorrepair.center/error-codes/#family-sensor-circuit) Kenmore builds this ### French door refrigerator Two fresh-food doors over a freezer drawer — the most common premium layout, and the one with the most to go wrong at the door line. Kenmore builds this ### Side-by-side refrigerator Full-height freezer beside full-height fresh food, with the ice maker and dispenser built into the freezer door. ## In Kenmore's own words > rD Lo or rD Hi Refrigerator defrost sensor failure [Sears PartsDirect: Kenmore 111 bottom-freezer error codes (Wayback copy, Nov 2019)](https://web.archive.org/web/20191119031439/https://www.searspartsdirect.com/diy/error-codes/refrigerator-repair/1234589/kenmore-111-model-bottom-freezer-refrigerator/0582) Every code on this site is taken from the manufacturer's documentation, never from a forum or a parts listing. Kenmore bottom-freezer Trio models whose number starts 111, which have a separate coil for the fresh food side; rD Lo and rD Hi are diagnostic mode codes. ## Kenmore rD Lo or rD Hi refrigerator 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 number on the model label begins 111 and the unit is a bottom-freezer. If it comes back, it needs a visit. ### What is the second coil that rD on my Kenmore Trio refers to? These 111 bottom-freezer models have a separate coil serving the fresh food section, and rD reports the defrost sensor on it. Saying rD when you book keeps the check off the freezer's sensor. ### How is rD different from rt on a Kenmore 111? rD is a defrost sensor inside the cabinet, while rt reads the air in the room. Sears expects the rD sensor to measure between 8,000 and 40,000 ohms. --- **[Read on the site: Kenmore refrigerator showing rD Lo or rD Hi](https://refrigeratorrepair.center/error-codes/kenmore-rd-111/)** **[Book a visit with RefrigeratorRepair.center](https://refrigeratorrepair.center/schedule/)**