--- title: "Sub-Zero EC07: the freezer cabinet sensor is sending bad readings" description: "What EC07 means on Sub-Zero EC07: the freezer cabinet sensor is sending bad readingss, what to check before booking, and when it is not a failure at all." url: "https://freezerrepair.center/error-codes/sub-zero-ec07/" --- # Sub-Zero EC07: the freezer cabinet sensor is sending bad readings EC07 (or plain 07 on IC-27 columns and UC undercounter models) points at the freezer cabinet thermistor, the small sensor the control uses to decide when the compressor should run. ## What EC07 actually means. EC07 (or plain 07 on IC-27 columns and UC undercounter models) points at the freezer cabinet thermistor, the small sensor the control uses to decide when the compressor should run. Sub-Zero lists three triggers: an open circuit, a short lasting 10 seconds or more, or readings that keep jumping around. Sub-Zero freezer display · also shown as EC 07, 07 What to do when EC07 shows on the freezer ### Kind of code Temperature sensors The control lost its reading of how cold the cabinet, the coil or the air around the freezer is, because a thermistor reports nonsense or its wire came loose. Without that number the control either runs the compressor without stopping or lets the cabinet drift warm. A sensor packed in frost and a connector loosened by a move are checked before the sensor itself is replaced. ### Usually leads to Freezer thermostat and temperature control repair Repairing the dial thermostat or the sensor and control that decide when a freezer cools, so it stops running without end or quitting too early. ### Shows up as Freezer Error Code A freezer error code appears on the display: letters and digits, a flashing temperature, or a warning symbol, sometimes with an alarm and sometimes with the freezer still running. ### Make Sub-Zero Sub-Zero freezers repaired in the home, with the food kept shut in while the cause is found. ### Source Sub-Zero answer: 600 or 700 Series EC07 or EC08 600 and 700 Series (shown as EC07 or EC 07), IC-27 integrated columns and UC undercounter models (shown as 07). Designer and Classic models with three-part codes report sensors differently. ## Before you book, in this order. Each step comes from Sub-Zero's own guidance for EC07 on its freezers. Follow it to the end: the last card says whether this is a visit. 01 Check the temperature on the display against a thermometer placed between frozen packages; if food is still hard, you have time. 02 On IC-27 and UC models, switch the home circuit breaker off for 30 seconds and back on, then watch whether 07 comes back. 03 Keep the door shut and write down EC07 together with the temperatures shown, then book a visit if the code stays. ### Still there? It usually turns into [freezer thermostat and temperature control repair](https://freezerrepair.center/services/thermostat-and-temperature-control-repair/). Book with the code and the model number. ### What not to do EC07 does not say the freezer has warmed up; the cabinet may still be at 0°F. A warm freezer with a long-running compressor shows EC40 instead. ## What you may notice with it. The freezer problems EC07 tends to arrive with. Answer these at the freezer before anyone is booked. [All problems](https://freezerrepair.center/problems/) Before you call ### [Freezer Error Code](https://freezerrepair.center/problems/freezer-error-code/) [All 7 causes, cheapest first](https://freezerrepair.center/problems/freezer-error-code/) It also comes with - [**Standalone Freezer Not Freezing**](https://freezerrepair.center/problems/freezer-not-freezing/) - [**Freezer Running Too Cold**](https://freezerrepair.center/problems/freezer-too-cold/) - [**Freezer Runs All the Time**](https://freezerrepair.center/problems/freezer-running-constantly/) Problem ### Freezer Error Code 7 causes, cheapest first Where EC07 usually leads ## Freezer thermostat and temperature control repair. **Thermostat, temperature sensor or garage kit · low to moderate.** Book a visit [What the job involves](https://freezerrepair.center/services/thermostat-and-temperature-control-repair/) ## Sub-Zero freezers. Sub-Zero freezers repaired in the home, with the food kept shut in while the cause is found. [Sub-Zero freezer repair](https://freezerrepair.center/brands/sub-zero/) More Sub-Zero codes [EC08](https://freezerrepair.center/error-codes/sub-zero-ec08/) [EC40](https://freezerrepair.center/error-codes/sub-zero-ec40/) [21](https://freezerrepair.center/error-codes/sub-zero-21/) [22](https://freezerrepair.center/error-codes/sub-zero-22/) [24](https://freezerrepair.center/error-codes/sub-zero-24/) [20 4 50](https://freezerrepair.center/error-codes/sub-zero-20-4-50/) [95 1 00](https://freezerrepair.center/error-codes/sub-zero-95-1-00/) [35 C 00](https://freezerrepair.center/error-codes/sub-zero-35-c-00/) [90 5 80](https://freezerrepair.center/error-codes/sub-zero-90-5-80/) Temperature sensors on other makes [Fisher & Paykel F3](https://freezerrepair.center/error-codes/fisher-and-paykel-f3/) [Frigidaire E2](https://freezerrepair.center/error-codes/frigidaire-e2/) [Marvel EL](https://freezerrepair.center/error-codes/marvel-el/) [Perlick P1F](https://freezerrepair.center/error-codes/perlick-p1f/) [U-Line E1](https://freezerrepair.center/error-codes/u-line-e1/) [Viking oPn](https://freezerrepair.center/error-codes/viking-opn/) [All 12 codes of this kind](https://freezerrepair.center/error-codes/#family-sensor) Sub-Zero builds this ### Freezer column A built-in, full-height freezer that stands alone in the cabinetry, often beside a matching fresh-food column, with a stainless or panel-ready door and an electronic control. Sub-Zero builds this ### Undercounter freezer A 15- to 24-inch freezer or a pair of freezer drawers built in under a counter, in a kitchen island, a home bar, a basement or a pool house, venting from the front. ## In Sub-Zero's own words > Freezer repeatedly read erratic temperatures [Sub-Zero answer: 600 or 700 Series EC07 or EC08](https://www.subzero-wolf.com/assistance/answers/sub-zero/common/600-or700-series-error-code-ec07-or-ec08) [Sub-Zero answer: IC-27 integrated columns error code 07](https://www.subzero-wolf.com/assistance/answers/sub-zero/ic-27-integrated-columns/ic-27-integrated-columns-series-error-code-07) [Sub-Zero answer: Undercounter (UC) error code 07](https://www.subzero-wolf.com/assistance/answers/sub-zero/uc-undercounter/undercounter-series-uc-error-code-07) Every code on this site is taken from the manufacturer's documentation, never from a forum or a parts listing. 600 and 700 Series (shown as EC07 or EC 07), IC-27 integrated columns and UC undercounter models (shown as 07). Designer and Classic models with three-part codes report sensors differently. ## Sub-Zero EC07 freezer 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 the temperature on the display against a thermometer placed between frozen packages; if food is still hard, you have time. If it comes back, it needs a visit. ### Will my Sub-Zero keep freezing while EC07 is showing? Often it keeps running, but the control is working from a reading it no longer trusts, so the temperature can drift either way. Watch a thermometer in the freezer and move food to a cooler if it starts to soften. ### Is 07 on an IC-27 column the same code as EC07 on a 700 Series? Yes, both name the freezer cabinet thermistor. The IC-27 and UC displays simply print the number without the EC letters. ### Can I clear EC07 myself? Sub-Zero offers no owner fix for EC07 on the 600 and 700 Series. On IC-27 columns it suggests a 30-second breaker reset; if 07 returns, the sensor or its wiring needs a technician. --- **[Read on the site: Sub-Zero EC07: the freezer cabinet sensor is sending bad readings](https://freezerrepair.center/error-codes/sub-zero-ec07/)** **[Book a visit with FreezerRepair.center](https://freezerrepair.center/schedule/)**