--- title: "Hestan KRD oven showing ERR04 | OvenRepair.center" description: "What ERR04 means on Hestan KRD ovens, what to check before booking, and when it is not a failure at all." url: "https://ovenrepair.center/error-codes/hestan-err04/" --- # Hestan KRD oven showing ERR04 ERR04 on the oven display of a Hestan KRD dual-fuel model is one of the codes Hestan calls a non-critical electronic malfunction. ## What ERR04 actually means. ERR04 on the oven display of a Hestan KRD dual-fuel model is one of the codes Hestan calls a non-critical electronic malfunction. One feature may stop working, but the oven itself can still be used. Hestan oven display What to do when ERR04 shows on the oven ### Kind of code Communication The display and the main control board stopped hearing each other, or the board failed its own check. A power dip, a loose ribbon cable or moisture behind the panel is ruled out before either board is replaced, and an oven that stays on through this code is switched off at the breaker. ### Usually leads to Controls and sensors Dead keys, a blank or garbled display, an oven that will not switch off or will not respond, traced to the board, the touch panel or their wiring. ### Shows up as Oven Control Panel Not Responding The touch controls or buttons do nothing, the display is blank, or some keys work and others do not. ### Make Hestan A California maker of professional-style ranges; it lists no wall oven, so its ovens are the cavities of its gas and dual-fuel ranges. ### Source Hestan KRD / KRDS Dual-Fuel Use & Care Manual, troubleshooting (Hestan's Brandfolder PDF linked from its product page) Hestan KRD Dual Fuel and KRDS Dual-Fuel Smart models, whose ovens are electric (manual ©2022). Hestan's All Gas KRG manual lists no oven codes. ## Before you book, in this order. Each step comes from Hestan's own guidance for ERR04 on its ovens. Follow it to the end: the last card says whether this is a visit. 01 Switch the circuit breaker for the appliance off, then back on, as Hestan suggests. 02 If ERR04 is gone, carry on cooking; note that it appeared. 03 If ERR04 stays, use the oven without the missing feature and book a visit soon. ### Still there? It usually turns into [controls and sensors](https://ovenrepair.center/services/controls-and-sensors/). Book with the code and the model number. ### What not to do ERR04 is not in the critical group. Any code Hestan does not list with ERR04, ERR05, ERR08 and ERR20 counts as critical, and then the oven should not be used. ## What you may notice with it. The oven problems ERR04 tends to arrive with. Answer these at the oven before anyone is booked. [All problems](https://ovenrepair.center/problems/) Before you call ### [Oven Control Panel Not Responding](https://ovenrepair.center/problems/control-panel-not-responding/) [All 5 causes, cheapest first](https://ovenrepair.center/problems/control-panel-not-responding/) It also comes with - [**Oven Error Code**](https://ovenrepair.center/problems/oven-error-code/) Problem ### Oven Control Panel Not Responding 5 causes, cheapest first Where ERR04 usually leads ## Controls and sensors. **Control board or touch panel · moderate to highest.** Book a visit [What the job involves](https://ovenrepair.center/services/controls-and-sensors/) ## Hestan ovens. A California maker of professional-style ranges; it lists no wall oven, so its ovens are the cavities of its gas and dual-fuel ranges. [Hestan oven repair](https://ovenrepair.center/brands/hestan/) More Hestan codes [ERR05](https://ovenrepair.center/error-codes/hestan-err05/) [ERR08](https://ovenrepair.center/error-codes/hestan-err08/) [ERR20](https://ovenrepair.center/error-codes/hestan-err20/) Communication on other makes [Bertazzoni Err_](https://ovenrepair.center/error-codes/bertazzoni-err/) [Bosch E11](https://ovenrepair.center/error-codes/bosch-e11/) [Dacor C-d0](https://ovenrepair.center/error-codes/dacor-c-d0/) [Fisher & Paykel F101](https://ovenrepair.center/error-codes/fisher-and-paykel-f101/) [JennAir F1 E1](https://ovenrepair.center/error-codes/jennair-f1e1/) [LG F-3](https://ovenrepair.center/error-codes/lg-f-3/) [Maytag F6 E1](https://ovenrepair.center/error-codes/maytag-f6-e1/) [Samsung C-d0](https://ovenrepair.center/error-codes/samsung-c-d0/) [All 20 codes of this kind](https://ovenrepair.center/error-codes/#family-communication) ## In Hestan's own words > ERR04, ERR05, ERR08 or ERR20 code displayed. [Hestan KRD / KRDS Dual-Fuel Use & Care Manual, troubleshooting (Hestan's Brandfolder PDF linked from its product page)](https://cdn.brandfolder.io/W2HABDQZ/as/wnhpnwf3n939j79g2wfp2z7h/Dual_Fuel_Range_Use_and_Care_Manual.pdf) [Hestan KRD / KRDS Dual-Fuel Use & Care Manual, troubleshooting (Hestan's Brandfolder PDF linked from its product page)](https://cdn.brandfolder.io/W2HABDQZ/as/wnhpnwf3n939j79g2wfp2z7h/Dual_Fuel_Range_Use_and_Care_Manual.pdf) [Hestan KRD / KRDS Dual-Fuel Use & Care Manual, troubleshooting (Hestan's Brandfolder PDF linked from its product page)](https://cdn.brandfolder.io/W2HABDQZ/as/wnhpnwf3n939j79g2wfp2z7h/Dual_Fuel_Range_Use_and_Care_Manual.pdf) [Hestan KRD / KRDS Dual-Fuel Use & Care Manual, troubleshooting (Hestan's Brandfolder PDF linked from its product page)](https://cdn.brandfolder.io/W2HABDQZ/as/wnhpnwf3n939j79g2wfp2z7h/Dual_Fuel_Range_Use_and_Care_Manual.pdf) [Hestan KRD / KRDS Dual-Fuel Use & Care Manual, troubleshooting (Hestan's Brandfolder PDF linked from its product page)](https://cdn.brandfolder.io/W2HABDQZ/as/wnhpnwf3n939j79g2wfp2z7h/Dual_Fuel_Range_Use_and_Care_Manual.pdf) [Hestan 48-inch KRD Dual Fuel product page (links the Use and Care Manual)](https://hestanappliances.com/product/48-5-burner-dual-fuel-range-krd-series/) Every code on this site is taken from the manufacturer's documentation, never from a forum or a parts listing. Hestan KRD Dual Fuel and KRDS Dual-Fuel Smart models, whose ovens are electric (manual ©2022). Hestan's All Gas KRG manual lists no oven codes. ## Hestan ERR04 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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Switch the circuit breaker for the appliance off, then back on, as Hestan suggests. If it comes back, it needs a visit. ### Can I keep baking in my Hestan oven with ERR04 showing? Hestan says yes: the oven still runs, only without whatever feature the code affects. Book a visit soon rather than living with it. ### Does ERR04 on the Hestan oven mean the same as ER04 on the Smart Burner? No. ER04 belongs to the Smart Burner on the KRDS cooktop section and means power was lost during a cooking cycle. ERR04 is an oven control code. --- **[Read on the site: Hestan KRD oven showing ERR04 | OvenRepair.center](https://ovenrepair.center/error-codes/hestan-err04/)** **[Book a visit with OvenRepair.center](https://ovenrepair.center/schedule/)**