--- title: "Sub-Zero 35 C 00: the condenser fan circuit reads open" description: "What 35 C 00 means on Sub-Zero 35 C 00: the condenser fan circuit reads opens, what to check before booking, and when it is not a failure at all." url: "https://freezerrepair.center/error-codes/sub-zero-35-c-00/" --- # Sub-Zero 35 C 00: the condenser fan circuit reads open On Designer models, 35 C 00 says the DC condenser fan circuit is open. ## What 35 C 00 actually means. On Designer models, 35 C 00 says the DC condenser fan circuit is open. That fan pulls air across the condenser so the compressor can shed heat; without it the system runs hot and the freezer can lose ground, especially in a warm kitchen or garage. Sub-Zero freezer display What to do when 35 C 00 shows on the freezer ### Kind of code Fans and airflow A fan that should have been turning is slow, stalled or stopped. Inside the cabinet, the fan pushes cold air off the coil and around the food; at the base or the back, a second fan cools the condenser so the compressor does not overheat. Ice rubbing on a blade, a package pushed against a vent and lint wrapped around a shaft are cleared before a motor is ordered. ### Usually leads to Freezer evaporator and condenser fan repair Replacing the fan that spreads cold air through a frost-free freezer, or the one that carries heat away from the condenser near the floor. ### 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: Designer Series error 35 C 00 Designer models with a DC condenser fan. Sub-Zero also lists 35 C 33 and 35 C 34 for fan speed settings that are too low or too high. ## Before you book, in this order. Each step comes from Sub-Zero's own guidance for 35 C 00 on its freezers. Follow it to the end: the last card says whether this is a visit. 01 Turn the home breaker off for 30 seconds and back on, then retest the unit. 02 With the power off, check that the grille at the bottom is clear and the condenser is not packed with lint. 03 If 35 C 00 returns, keep the door closed as much as possible and book a visit. ### Still there? It usually turns into [freezer evaporator and condenser fan repair](https://freezerrepair.center/services/evaporator-and-condenser-fan-repair/). Book with the code and the model number. ### What not to do 35 C 00 is not the fan inside the freezer; the evaporator fans use zone numbers in place of the C. It also does not mean the compressor has failed, though a stopped condenser fan will make it overheat. ## What you may notice with it. The freezer problems 35 C 00 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 Runs All the Time**](https://freezerrepair.center/problems/freezer-running-constantly/) - [**Loud or New Noise From the Freezer**](https://freezerrepair.center/problems/freezer-loud-noise/) Problem ### Freezer Error Code 7 causes, cheapest first Where 35 C 00 usually leads ## Freezer evaporator and condenser fan repair. **Evaporator or condenser fan motor · low to moderate.** Book a visit [What the job involves](https://freezerrepair.center/services/evaporator-and-condenser-fan-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 [EC07](https://freezerrepair.center/error-codes/sub-zero-ec07/) [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/) [90 5 80](https://freezerrepair.center/error-codes/sub-zero-90-5-80/) Fans and airflow on other makes [Fisher & Paykel F15](https://freezerrepair.center/error-codes/fisher-and-paykel-f15/) [Perlick TCH](https://freezerrepair.center/error-codes/perlick-tch/) [All 5 codes of this kind](https://freezerrepair.center/error-codes/#family-fan) 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 > DC condenser fan open [Sub-Zero answer: Designer Series error 35 C 00](https://www.subzero-wolf.com/assistance/answers/sub-zero/designer/integrated-series-error-code-35-c-00) [Sub-Zero answer: Designer Series error 35 C 00](https://www.subzero-wolf.com/assistance/answers/sub-zero/designer/integrated-series-error-code-35-c-00) Every code on this site is taken from the manufacturer's documentation, never from a forum or a parts listing. Designer models with a DC condenser fan. Sub-Zero also lists 35 C 33 and 35 C 34 for fan speed settings that are too low or too high. ## Sub-Zero 35 C 00 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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Turn the home breaker off for 30 seconds and back on, then retest the unit. If it comes back, it needs a visit. ### Where is the condenser fan on a Sub-Zero Designer column? It sits with the compressor and condenser in the machinery area behind the grille, not inside the freezer. You cannot see it with the door open. ### Can a Sub-Zero keep freezing with a dead condenser fan? For a while, but the compressor runs hotter and longer, and in a warm room the freezer may start to warm up. Treat 35 C 00 as a repair to schedule soon. ### Can lint set off Sub-Zero 35 C 00? Lint on its own usually makes the fan work harder rather than read open. Cleaning the condenser is still worth doing, but a code that comes back points to the fan motor or its wiring. --- **[Read on the site: Sub-Zero 35 C 00: the condenser fan circuit reads open](https://freezerrepair.center/error-codes/sub-zero-35-c-00/)** **[Book a visit with FreezerRepair.center](https://freezerrepair.center/schedule/)**