--- title: "ZLINE induction rangetop showing F/4 | CooktopRepair.center" description: "What F/4 means on ZLINE induction rangetops, what to check before booking, and when it is not a failure at all." url: "https://cooktoprepair.center/error-codes/zline-sinrt-f4/" --- # ZLINE induction rangetop showing F/4 F/4 on the SINRT means the IGBT, which controls power to the induction coil, is malfunctioning. ## What F/4 actually means. F/4 on the SINRT means the IGBT, which controls power to the induction coil, is malfunctioning. ZLINE is unusually firm here: turn the rangetop off at once, because running it on may damage other electronics. ZLINE cooktop display · also shown as F4 What to do when F/4 shows on the cooktop ### Kind of code Induction power and coils An induction zone could not drive its coil as the board planned: no pan was detected, the current ran too high or too low, or the power stage reported trouble. The pan base, the supply voltage and a clogged air intake are checked before the coil or the power board is replaced, and a top that trips its breaker is left switched off until then. ### Usually leads to Induction board and coil repair Induction zones that stop sensing pans, cut out, buzz or show codes, traced to the power boards, the coils, their sensors and the links to the controls. ### Shows up as Cooktop Burner or Element Won't Turn Off A gas flame keeps burning, a coil or radiant ring stays red, or an induction zone keeps heating after its knob or key has been set to off. ### Make ZLINE A US company that sells gas cooktops and rangetops, often bought online and installed by the owner's own contractor. ### Source ZLINE SINRT induction rangetop user manual ZLINE Paramount SINRT induction rangetops, June 2026 user manual. ZLINE prints these codes with a slash (F/1, E/5); the same manual also lists E/1 to E/4 for overheating and supply voltage. ## Before you book, in this order. Each step comes from ZLINE's own guidance for F/4 on its cooktops. Follow it to the end: the last card says whether this is a visit. 01 Turn the rangetop off immediately and switch off its breaker. 02 Do not power the rangetop back on to test whether F/4 has cleared. 03 Book a visit and do not use the rangetop until it has been repaired. ### Still there? It usually turns into [induction board and coil repair](https://cooktoprepair.center/services/induction-board-and-coil-repair/). Book with the code and the model number. ### What not to do F/4 is not an overheating warning that clears as the rangetop cools. It is a failing part. ## What you may notice with it. The cooktop problems F/4 tends to arrive with. Answer these at the cooktop before anyone is booked. [All problems](https://cooktoprepair.center/problems/) Before you call ### [Cooktop Burner or Element Won't Turn Off](https://cooktoprepair.center/problems/burner-or-element-wont-turn-off/) [All 6 causes, cheapest first](https://cooktoprepair.center/problems/burner-or-element-wont-turn-off/) It also comes with - [**Cooktop Element Not Heating**](https://cooktoprepair.center/problems/element-not-heating/) - [**Cooktop Error Code**](https://cooktoprepair.center/problems/cooktop-error-code/) Gas, fire, broken glass or live current ### Cooktop Burner or Element Won't Turn Off 6 causes, cheapest first Where F/4 usually leads ## Induction board and coil repair. **Induction power board, coil or sensor · moderate to highest.** Book a visit [What the job involves](https://cooktoprepair.center/services/induction-board-and-coil-repair/) ## ZLINE cooktops. A US company that sells gas cooktops and rangetops, often bought online and installed by the owner's own contractor. [ZLINE cooktop repair](https://cooktoprepair.center/brands/zline/) More ZLINE codes [ER03](https://cooktoprepair.center/error-codes/zline-fcind-er03/) [F1](https://cooktoprepair.center/error-codes/zline-fcind-f1/) [F3](https://cooktoprepair.center/error-codes/zline-fcind-f3/) [F4](https://cooktoprepair.center/error-codes/zline-fcind-f4/) [E1](https://cooktoprepair.center/error-codes/zline-fcind-e1/) [E2](https://cooktoprepair.center/error-codes/zline-fcind-e2/) [E3](https://cooktoprepair.center/error-codes/zline-fcind-e3/) [E4](https://cooktoprepair.center/error-codes/zline-fcind-e4/) [E5](https://cooktoprepair.center/error-codes/zline-fcind-e5/) [E2/E3](https://cooktoprepair.center/error-codes/zline-rcind-e2-e3/) [E4/E5](https://cooktoprepair.center/error-codes/zline-rcind-e4-e5/) [E6/E9](https://cooktoprepair.center/error-codes/zline-rcind-e6-e9/) [All 16 ZLINE codes](https://cooktoprepair.center/error-codes/#codes-zline) Induction power and coils on other makes [Bertazzoni U400](https://cooktoprepair.center/error-codes/bertazzoni-u400/) [Bosch U400](https://cooktoprepair.center/error-codes/bosch-u400/) [Dacor C2](https://cooktoprepair.center/error-codes/dacor-c2/) [Fulgor Milano U400](https://cooktoprepair.center/error-codes/fulgor-milano-s700-u400/) [Gaggenau E9000](https://cooktoprepair.center/error-codes/gaggenau-e9000/) [KitchenAid FC E0](https://cooktoprepair.center/error-codes/kitchenaid-fc-e0/) [Samsung C2](https://cooktoprepair.center/error-codes/samsung-c2/) [SKS F33~F45](https://cooktoprepair.center/error-codes/sks-f33-f45/) [All 21 codes of this kind](https://cooktoprepair.center/error-codes/#family-induction) ZLINE builds this ### Gas cooktop A gas cooking surface dropped into a countertop cutout, with its gas line and power cord running down into the cabinet underneath. ZLINE builds this ### Induction cooktop A glass cooktop in the counter that heats the pan itself through magnetic coils, run by power boards and cooled by a fan underneath. ZLINE builds this ### Rangetop A pro-style gas cooking top with its knobs across the front, set into a notch above a base cabinet, often with a griddle or char-broiler beside the burners. ## In ZLINE's own words > F/4 – IGBT Failure [ZLINE SINRT induction rangetop user manual](https://cdn.shopify.com/s/files/1/0596/2504/6223/files/ZLINE_SINRT_Induction_Range_Top_User_Manual_June_2026_5a74c2c9-93ef-4090-9f8b-28dac5936eee.pdf?v=1782316386) [ZLINE SINRT induction rangetop user manual](https://cdn.shopify.com/s/files/1/0596/2504/6223/files/ZLINE_SINRT_Induction_Range_Top_User_Manual_June_2026_5a74c2c9-93ef-4090-9f8b-28dac5936eee.pdf?v=1782316386) [ZLINE SINRT induction rangetop user manual](https://cdn.shopify.com/s/files/1/0596/2504/6223/files/ZLINE_SINRT_Induction_Range_Top_User_Manual_June_2026_5a74c2c9-93ef-4090-9f8b-28dac5936eee.pdf?v=1782316386) Every code on this site is taken from the manufacturer's documentation, never from a forum or a parts listing. ZLINE Paramount SINRT induction rangetops, June 2026 user manual. ZLINE prints these codes with a slash (F/1, E/5); the same manual also lists E/1 to E/4 for overheating and supply voltage. ## ZLINE F/4 cooktop 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 rangetop off immediately and switch off its breaker. If it comes back, it needs a visit. ### Why does ZLINE say to stop using the rangetop right away for F/4? A malfunctioning IGBT controls power to the coil, and ZLINE warns that continued use can damage the internal electronics. Leave the breaker off until a technician has seen it. ### Can F/4 on a ZLINE rangetop clear by itself? Do not wait to find out. ZLINE treats F/4 as a stop-now code rather than one to reset. ### Is F/4 on the ZLINE SINRT related to its E/1 to E/4 codes? The same manual lists E/1 to E/4 for overheating and supply voltage, while F/4 reports a malfunctioning IGBT. The IGBT controls power to the induction coil, so this one is treated as a stop-now code rather than a condition to wait out. --- **[Read on the site: ZLINE induction rangetop showing F/4 | CooktopRepair.center](https://cooktoprepair.center/error-codes/zline-sinrt-f4/)** **[Book a visit with CooktopRepair.center](https://cooktoprepair.center/schedule/)**