--- title: "ZLINE induction range showing E/4 | RangeRepair.center" description: "What E/4 means on ZLINE induction ranges, what to check before booking, and when it is not a failure at all." url: "https://rangerepair.center/error-codes/zline-e4/" --- # ZLINE induction range showing E/4 E/4 is undervoltage protection: the supply reaching the range is below the level it needs to run safely. ## What E/4 actually means. E/4 is undervoltage protection: the supply reaching the range is below the level it needs to run safely. ZLINE asks owners not to use the induction top until the voltage is stable. ZLINE range display · also shown as E4 What to do when E/4 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 Error Code The range display shows letters, numbers or a flashing symbol, beeps, and stops the oven, a cooking zone or a clean. ### Make ZLINE An American company, ZLINE Kitchen and Bath, selling professional-style gas, dual-fuel and induction ranges. ### Source ZLINE Induction Ranges User Manual ZLINE MINR and SINR induction models; E/4 is the low-voltage counterpart of E/3. ## Before you book, in this order. Each step comes from ZLINE's own guidance for E/4 on its ranges. Follow it to the end: the last card says whether this is a visit. 01 Stop cooking on the induction zones for now. 02 Have the supply checked by an electrician if E/4 continues, and book a visit if it shows on a verified supply. ### 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 E/4 does not point to a failed board or coil; the range is reacting to what it receives. ## What you may notice with it. The range problems E/4 tends to arrive with. Answer these at the range before anyone is booked. [All problems](https://rangerepair.center/problems/) Before you call ### [Range Error Code](https://rangerepair.center/problems/range-error-code/) [All 6 causes, cheapest first](https://rangerepair.center/problems/range-error-code/) It also comes with - [**Range Surface Element Not Heating**](https://rangerepair.center/problems/surface-element-not-heating/) Problem ### Range Error Code 6 causes, cheapest first Where E/4 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/) ## ZLINE ranges. An American company, ZLINE Kitchen and Bath, selling professional-style gas, dual-fuel and induction ranges. [ZLINE range repair](https://rangerepair.center/brands/zline/) More ZLINE codes [F/1](https://rangerepair.center/error-codes/zline-f1/) [F/3](https://rangerepair.center/error-codes/zline-f3/) [F/4](https://rangerepair.center/error-codes/zline-f4/) [E/1](https://rangerepair.center/error-codes/zline-e1/) [E/2](https://rangerepair.center/error-codes/zline-e2/) [E/3](https://rangerepair.center/error-codes/zline-e3/) [E/5](https://rangerepair.center/error-codes/zline-e5/) 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 68 codes of this kind](https://rangerepair.center/error-codes/#family-communication) ZLINE 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. ZLINE 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. ZLINE 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 ZLINE's own words > E/4 – Undervoltage Protection Input voltage is too low for safe operation. [ZLINE Induction Ranges User Manual](https://cdn.shopify.com/s/files/1/0596/2504/6223/files/ZLINE_SINR_Induction_Range_User_Manual_April_2026.pdf?v=1776106113) [ZLINE Induction Ranges User Manual](https://cdn.shopify.com/s/files/1/0596/2504/6223/files/ZLINE_SINR_Induction_Range_User_Manual_April_2026.pdf?v=1776106113) Every code on this site is taken from the manufacturer's documentation, never from a forum or a parts listing. ZLINE MINR and SINR induction models; E/4 is the low-voltage counterpart of E/3. ## ZLINE E/4 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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Stop cooking on the induction zones for now. If it comes back, it needs a visit. ### Who checks the supply when my ZLINE induction range shows E/4? An electrician. ZLINE's table sends a continuing E/4 to one, because the range is reacting to low voltage coming in. ### Does E/4 damage my ZLINE induction range? ZLINE's manual treats it as protection that stops the range while voltage is low. Keep the top off until the supply is stable. --- **[Read on the site: ZLINE induction range showing E/4 | RangeRepair.center](https://rangerepair.center/error-codes/zline-e4/)** **[Book a visit with RangeRepair.center](https://rangerepair.center/schedule/)**