--- title: "Hestan range showing ERR04 | RangeRepair.center" description: "What ERR04 means on Hestan ranges, what to check before booking, and when it is not a failure at all." url: "https://rangerepair.center/error-codes/hestan-range-err04/" --- # Hestan range showing ERR04 ERR04 sits in the group Hestan's range manuals call non-critical electronic malfunctions, along with ERR05, ERR08 and ERR20. ## What ERR04 actually means. ERR04 sits in the group Hestan's range manuals call non-critical electronic malfunctions, along with ERR05, ERR08 and ERR20. The range stays usable; only the feature tied to the problem may stop working. Hestan range display · also shown as ERR 04 What to do when ERR04 shows on the range ### Kind of code Controls and communication The display, the main board or the induction power board lost contact with one another, or one of them failed its own self-check. A power dip, a loose cable or moisture from a boil-over is ruled out before a board is replaced, and a range that keeps heating while this code shows is switched off at the breaker. ### Usually leads to Knobs, switches and controls Knobs that spin or crack, touch keys that do nothing, blank displays, clocks that reset and control boards that switch the wrong thing. ### Shows up as Range Control Panel Not Responding The touch keys or knobs on the range do nothing, only some keys work, the display is blank or frozen, or it beeps without starting. ### Make Hestan A California maker of professional-style gas and dual-fuel ranges with a restaurant-kitchen background. ### Source Hestan KRD dual-fuel range use and care manual, troubleshooting Hestan KRD dual-fuel and KRI induction ranges print the same oven table. ## Before you book, in this order. Each step comes from Hestan's own guidance for ERR04 on its ranges. Follow it to the end: the last card says whether this is a visit. 01 Try a reset: turn the range's breaker off, wait a few seconds and turn it back on. 02 If ERR04 stays, keep cooking without the affected feature and book a visit at the earliest chance. ### Still there? It usually turns into [knobs, switches and controls](https://rangerepair.center/services/knobs-switches-and-controls/). Book with the code and the model number. ### What not to do ERR04 is not one of the codes that should stop you using the oven. Any code outside Hestan's four-code group is the kind that does. ## What you may notice with it. The range problems ERR04 tends to arrive with. Answer these at the range before anyone is booked. [All problems](https://rangerepair.center/problems/) Before you call ### [Range Control Panel Not Responding](https://rangerepair.center/problems/control-panel-not-responding/) [All 5 causes, cheapest first](https://rangerepair.center/problems/control-panel-not-responding/) It also comes with - [**Range Error Code**](https://rangerepair.center/problems/range-error-code/) Problem ### Range Control Panel Not Responding 5 causes, cheapest first Where ERR04 usually leads ## Knobs, switches and controls. **Knobs, keypad or control board · moderate.** Book a visit [What the job involves](https://rangerepair.center/services/knobs-switches-and-controls/) ## Hestan ranges. A California maker of professional-style gas and dual-fuel ranges with a restaurant-kitchen background. [Hestan range repair](https://rangerepair.center/brands/hestan/) More Hestan codes [ERR20](https://rangerepair.center/error-codes/hestan-range-err20/) [ER01](https://rangerepair.center/error-codes/hestan-smart-burner-er01/) [ER03](https://rangerepair.center/error-codes/hestan-smart-burner-er03/) [ER05](https://rangerepair.center/error-codes/hestan-smart-burner-er05/) [ER06](https://rangerepair.center/error-codes/hestan-smart-burner-er06/) [Er 03](https://rangerepair.center/error-codes/hestan-induction-er03/) [Er 47](https://rangerepair.center/error-codes/hestan-induction-er47/) [E2](https://rangerepair.center/error-codes/hestan-induction-e2/) [E6](https://rangerepair.center/error-codes/hestan-induction-e6/) [E8](https://rangerepair.center/error-codes/hestan-induction-e8/) [U 400](https://rangerepair.center/error-codes/hestan-induction-u400/) Controls and communication on other makes [AGA FE](https://rangerepair.center/error-codes/aga-fe/) [BlueStar F20](https://rangerepair.center/error-codes/bluestar-range-f20/) [Bosch e005](https://rangerepair.center/error-codes/bosch-e005/) [Café F7](https://rangerepair.center/error-codes/cafe-f7/) [Dacor C-d0](https://rangerepair.center/error-codes/dacor-range-c-d0/) [Electrolux Err](https://rangerepair.center/error-codes/electrolux-err-number/) [Fisher & Paykel F + number](https://rangerepair.center/error-codes/fisher-and-paykel-range-f-number/) [Frigidaire F1](https://rangerepair.center/error-codes/frigidaire-f1/) [All 67 codes of this kind](https://rangerepair.center/error-codes/#family-communication) Hestan builds this ### Gas range Open flames on top and a gas-fired oven below, all fed by one supply line behind the range and lit by igniters rather than a match. Hestan builds this ### Dual-fuel range Gas burners on top and an electric oven below, the combination most professional-style ranges use, needing both a gas line and a 240-volt circuit. Hestan builds this ### Induction range A glass top that heats the pan itself through copper coils and power boards, over an electric oven, with electronics doing almost all the work. ## In Hestan's own words > Non-critical electronic malfunction. [Hestan KRD dual-fuel range use and care manual, troubleshooting](https://cdn.brandfolder.io/W2HABDQZ/as/wnhpnwf3n939j79g2wfp2z7h/Dual_Fuel_Range_Use_and_Care_Manual.pdf) [Hestan KRI induction range use and care manual, troubleshooting](https://cdn.bfldr.com/W2HABDQZ/as/7w5cbv9wcvc65vf39wrsqw47/034584_RevB) [Hestan KRD dual-fuel range use and care manual, troubleshooting](https://cdn.brandfolder.io/W2HABDQZ/as/wnhpnwf3n939j79g2wfp2z7h/Dual_Fuel_Range_Use_and_Care_Manual.pdf) 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 KRI induction ranges print the same oven table. ## Hestan ERR04 range 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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Try a reset: turn the range's breaker off, wait a few seconds and turn it back on. If it comes back, it needs a visit. ### Can I keep cooking on my Hestan range while it shows ERR04? Yes. Hestan puts ERR04 in its non-critical group: the range works on, minus whichever feature the problem affects. Book the visit soon rather than waiting for it to get worse. ### Which feature stops working with ERR04 on a Hestan? Hestan's table does not say which feature each of the four codes affects. Note what no longer works, since that tells the technician where to begin. --- **[Read on the site: Hestan range showing ERR04 | RangeRepair.center](https://rangerepair.center/error-codes/hestan-range-err04/)** **[Book a visit with RangeRepair.center](https://rangerepair.center/schedule/)**