--- title: "Viking refrigerator showing E4 | RefrigeratorRepair.center" description: "What E4 means on Viking refrigerators, what to check before booking, and when it is not a failure at all." url: "https://refrigeratorrepair.center/error-codes/viking-e4/" --- # Viking refrigerator showing E4 On Viking undercounter refrigerated drawers, E4 means the display thermistor, sensor A, is reading outside its normal range. ## What E4 actually means. On Viking undercounter refrigerated drawers, E4 means the display thermistor, sensor A, is reading outside its normal range. It is the sensor behind the temperature the drawer shows you. Viking says a power line fluctuation can bring the code up once without anything being wrong. Viking refrigerator display What to do when E4 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 Refrigerator Freezing Food Lettuce frozen solid and milk with ice in it, in a compartment that is not supposed to freeze. ### Make Viking Professional-style built-in and undercounter refrigeration in heavy stainless. ### Source Viking Use/Installation Guide F20411G: Undercounter/Freestanding Refrigerated Drawer (vikingrange.com PDF) Viking undercounter/freestanding refrigerated drawers covered by guide F20411G. ## Before you book, in this order. Each step comes from Viking's own guidance for E4 on its refrigerators. Follow it to the end: the last card says whether this is a visit. 01 Clear it once: hold SET and press ON/OFF four times. 02 Check whether E4 comes back. 03 If it does, arrange service through your dealer or Viking Customer Service and quote E4 (sensor A). ### 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 It is not the evaporator sensor. That is sensor B, and it shows as E3. ## What you may notice with it. The refrigerator problems E4 tends to arrive with. Answer these at the refrigerator before anyone is booked. [All problems](https://refrigeratorrepair.center/problems/) Before you call ### [Refrigerator Freezing Food](https://refrigeratorrepair.center/problems/refrigerator-too-cold/) [All 5 causes, cheapest first](https://refrigeratorrepair.center/problems/refrigerator-too-cold/) It also comes with - [**Refrigerator Not Cooling**](https://refrigeratorrepair.center/problems/refrigerator-not-cooling/) Problem ### Refrigerator Freezing Food 5 causes, cheapest first Where E4 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 ## Viking refrigerators. Professional-style built-in and undercounter refrigeration in heavy stainless. [Viking refrigerator repair](https://refrigeratorrepair.center/brands/viking/) More Viking codes [E2](https://refrigeratorrepair.center/error-codes/viking-e2/) [E3](https://refrigeratorrepair.center/error-codes/viking-e3/) [CL](https://refrigeratorrepair.center/error-codes/viking-cl/) [High Temperature Alarm](https://refrigeratorrepair.center/error-codes/viking-high-temperature-alarm/) 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/) [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/) [Bertazzoni E1](https://refrigeratorrepair.center/error-codes/bertazzoni-e1/) [All 51 codes of this kind](https://refrigeratorrepair.center/error-codes/#family-sensor-circuit) Viking builds this ### Built-in refrigerator Flush with the cabinets, serviced from the front, and almost always repaired rather than replaced. Viking builds this ### Refrigerator column Separate refrigerator and freezer towers, each with its own sealed system — so a failure stays on one side. Viking 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 Viking's own words > E4 Display thermistor “sensor A” fault, (out-of-range). [Viking Use/Installation Guide F20411G: Undercounter/Freestanding Refrigerated Drawer (vikingrange.com PDF)](https://vikingrange.com/file/703/m1060035_f20411.pdf) [Viking Use/Installation Guide F20411G: Undercounter/Freestanding Refrigerated Drawer (vikingrange.com PDF)](https://vikingrange.com/file/703/m1060035_f20411.pdf) Every code on this site is taken from the manufacturer's documentation, never from a forum or a parts listing. Viking undercounter/freestanding refrigerated drawers covered by guide F20411G. ## Viking E4 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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Clear it once: hold SET and press ON/OFF four times. If it comes back, it needs a visit. ### Why does the temperature on my Viking drawer look wrong with E4 showing? E4 means the display thermistor, sensor A, is reading out of range, and that sensor is the source of the temperature you see. So the number on the display may not be reliable while the code is active. Clear it once and see whether it returns. ### Can a power blip cause E4 on a Viking undercounter drawer? Yes, Viking says power line fluctuations can trigger a code with no actual problem. That is why the first step is a single clear. If E4 keeps coming back, arrange service and quote sensor A. --- **[Read on the site: Viking refrigerator showing E4 | RefrigeratorRepair.center](https://refrigeratorrepair.center/error-codes/viking-e4/)** **[Book a visit with RefrigeratorRepair.center](https://refrigeratorrepair.center/schedule/)**