--- title: "AGA eR7 oven showing error 020-024 | OvenRepair.center" description: "What 020-024 means on AGA eR7 ovens, what to check before booking, and when it is not a failure at all." url: "https://ovenrepair.center/error-codes/aga-020-024/" --- # AGA eR7 oven showing 020-024 Codes 020 to 024 on an AGA eR7 are a thermocouple differential. ## What 020-024 actually means. Codes 020 to 024 on an AGA eR7 are a thermocouple differential. Each zone is measured by a duplex thermocouple, two probes in one, and these codes mean the pair have drifted apart in what they report. AGA oven display What to do when 020-024 shows on the oven ### Kind of code Temperature sensor The reading from the temperature probe fell outside what the control will trust, or climbed far higher than the setting. A loose connector or a probe that has drifted is ruled out before the control itself, and a reading that runs away means the breaker goes off first. ### Usually leads to Temperature sensor and calibration Baking that comes out burnt or pale at the usual setting, traced to the sensor, its wiring or an oven that simply needs calibrating. ### Shows up as Oven Temperature Not Accurate Recipes come out burnt or underdone at the right setting, and an oven thermometer reads far from the dial. ### Make AGA A British cooking brand best known for cast-iron heat-storage cookers; in the US it sells ranges, and its ovens are the cavities built into them. ### Source AGA eR7 Field Service Manual, USA and Canada (PDF linked from agarangeusa.com owner's guides) eR7 models use duplex thermocouples, which AGA warns can test fine when cold and drift only at cooking heat. ## Before you book, in this order. Each step comes from AGA's own guidance for 020-024 on its ovens. Follow it to the end: the last card says whether this is a visit. 01 Note the exact number from the handset. 02 Watch whether one oven feels hotter or cooler than its setting and tell the technician which. 03 Book a visit; AGA's remedy is to exchange the thermocouple. ### Still there? It usually turns into [temperature sensor and calibration](https://ovenrepair.center/services/temperature-sensor-and-calibration/). Book with the code and the model number. ### What not to do A 020-024 code is not an open or broken probe; that is logged as 060 to 100. Here both halves still read, just not alike. ## What you may notice with it. The oven problems 020-024 tends to arrive with. Answer these at the oven before anyone is booked. [All problems](https://ovenrepair.center/problems/) Before you call ### [Oven Temperature Not Accurate](https://ovenrepair.center/problems/oven-temperature-wrong/) [All 5 causes, cheapest first](https://ovenrepair.center/problems/oven-temperature-wrong/) It also comes with - [**Oven Error Code**](https://ovenrepair.center/problems/oven-error-code/) Problem ### Oven Temperature Not Accurate 5 causes, cheapest first Where 020-024 usually leads ## Temperature sensor and calibration. **Temperature sensor or calibration · low.** Book a visit [What the job involves](https://ovenrepair.center/services/temperature-sensor-and-calibration/) ## AGA ovens. A British cooking brand best known for cast-iron heat-storage cookers; in the US it sells ranges, and its ovens are the cavities built into them. [AGA oven repair](https://ovenrepair.center/brands/aga/) More AGA codes [FE](https://ovenrepair.center/error-codes/aga-fe/) [VE](https://ovenrepair.center/error-codes/aga-ve/) [CE](https://ovenrepair.center/error-codes/aga-ce/) [S](https://ovenrepair.center/error-codes/aga-s/) [007](https://ovenrepair.center/error-codes/aga-007/) [010-014](https://ovenrepair.center/error-codes/aga-010-014/) [060-100](https://ovenrepair.center/error-codes/aga-060-100/) [120-124](https://ovenrepair.center/error-codes/aga-120-124/) [130-136](https://ovenrepair.center/error-codes/aga-130-136/) [139](https://ovenrepair.center/error-codes/aga-139/) [159](https://ovenrepair.center/error-codes/aga-159/) Temperature sensor on other makes [Dacor C-20](https://ovenrepair.center/error-codes/dacor-c-20/) [Electrolux F30](https://ovenrepair.center/error-codes/electrolux-f30/) [Fisher & Paykel F210](https://ovenrepair.center/error-codes/fisher-and-paykel-f210/) [Frigidaire F30](https://ovenrepair.center/error-codes/frigidaire-f30/) [GE Profile F4](https://ovenrepair.center/error-codes/ge-profile-f4/) [GE F3](https://ovenrepair.center/error-codes/ge-f3/) [JennAir F3 E0](https://ovenrepair.center/error-codes/jennair-f3e0/) [Kenmore F3/E0](https://ovenrepair.center/error-codes/kenmore-f3-e0/) [All 27 codes of this kind](https://ovenrepair.center/error-codes/#family-sensor-circuit) ## In AGA's own words > Exchange Thermocouple [AGA eR7 Field Service Manual, USA and Canada (PDF linked from agarangeusa.com owner's guides)](https://d181zs8i7gehnm.cloudfront.net/file/287) [AGA eR7 Field Service Manual, USA and Canada (PDF linked from agarangeusa.com owner's guides)](https://d181zs8i7gehnm.cloudfront.net/file/287) [AGA eR7 Field Service Manual, USA and Canada (PDF linked from agarangeusa.com owner's guides)](https://d181zs8i7gehnm.cloudfront.net/file/287) [AGA eR7 Field Service Manual, USA and Canada (PDF linked from agarangeusa.com owner's guides)](https://d181zs8i7gehnm.cloudfront.net/file/287) Every code on this site is taken from the manufacturer's documentation, never from a forum or a parts listing. eR7 models use duplex thermocouples, which AGA warns can test fine when cold and drift only at cooking heat. ## AGA 020-024 oven 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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Note the exact number from the handset. If it comes back, it needs a visit. ### Why did the AGA eR7 thermocouple pass a test yet 020-024 came back? AGA has found returned thermocouples that check out at room temperature and only drift once hot. That is why the technician watches the readings with the cooker at heat. ### Will an oven with 020-024 on an AGA eR7 still cook evenly? It may run off its setting, because the control cannot tell which of the two readings to trust. Keep an eye on results until the probe is exchanged. --- **[Read on the site: AGA eR7 oven showing error 020-024 | OvenRepair.center](https://ovenrepair.center/error-codes/aga-020-024/)** **[Book a visit with OvenRepair.center](https://ovenrepair.center/schedule/)**