--- title: "Dexter F18: the drive detected current leaking to ground" description: "What F18 means on Dexter F18: the drive detected current leaking to grounds, what to check before booking, and when it is not a failure at all." url: "https://commercialappliancerepair.center/error-codes/dexter-f18/" --- # Dexter F18: the drive detected current leaking to ground F18 is Dexter's ground interruption message at the drive. ## What F18 actually means. F18 is Dexter's ground interruption message at the drive. The drive and motor wiring, the ground wiring of the drive, motor and supply, and any damaged motor wires are checked. Dexter commercial appliance display · also shown as DRIVE GFI What to do when F18 shows on the commercial appliance ### Kind of code Controls and power The controller itself is reporting trouble, or the supply behind it is: a display with dead segments, a keypad that stopped responding after steam or degreaser got behind it, relays that stick, stored recipes or cycles that vanished overnight, a blown control fuse, or one leg of a three-phase feed missing so half the heat or the pump is gone. A full power cycle at the breaker, done as the manual describes, clears a passing glitch; a code that returns, a scorched smell or any sign of moisture behind the panel means the breaker stays off, and that is a visit. ### Usually leads to Commercial controls and board repair Controllers, touch panels, relays, contactors and interlocks tested, and replaced only when the evidence says so. ### Shows up as Commercial Appliance Error Code on a Combi, Fryer, Dish Machine or Laundry Display A commercial appliance error code appears as letters or numbers on a combi, fryer, reach-in controller, dish machine or laundry machine display, or as a flashing light or an alarm tone. ### Make Dexter A Dexter call in a laundromat is often set for opening time, before customers load the row and every pocket of the room is in use. ### Source Dexter common troubleshooting and error code reference for T-Series vended front-loads (Part 8533, 9/19) Dexter T-Series vended front-load machines (T-300 through T-1450) covered by Dexter's 2019 troubleshooting reference; the drive codes come from the variable frequency drive these models use. ## Before you book, in this order. Each step comes from Dexter's own guidance for F18 on its commercial appliances. Follow it to the end: the last card says whether this is a visit. 01 Stop using the machine and keep the area around it dry. 02 Record the drive light code before switching the breaker off. 03 Book a visit; ground checks need meters and panels open. ### Still there? It usually turns into [commercial controls and board repair](https://commercialappliancerepair.center/services/commercial-controls-and-board-repair/). Book with the code and the model number. ### What not to do F18 is not a water leak message, although water on wiring can cause it. If you see water near the machine's power, keep people away and switch off the breaker from a dry spot. ## What you may notice with it. The commercial appliance problems F18 tends to arrive with. Answer these at the commercial appliance before anyone is booked. [All problems](https://commercialappliancerepair.center/problems/) Before you call ### [Commercial Appliance Error Code on a Combi, Fryer, Dish Machine or Laundry Display](https://commercialappliancerepair.center/problems/commercial-error-code/) [All 8 causes, cheapest first](https://commercialappliancerepair.center/problems/commercial-error-code/) It also comes with - [**Water on the Commercial Kitchen Floor Near Equipment and Outlets**](https://commercialappliancerepair.center/problems/commercial-water-on-the-floor/) Problem ### Commercial Appliance Error Code on a Combi, Fryer, Dish Machine or Laundry Display 8 causes, cheapest first Where F18 usually leads ## Commercial controls and board repair. **Controller, touch panel, probe or sensor, relay, contactor, power supply, door switch or interlock, tested before anything is changed · moderate.** Book a visit [What the job involves](https://commercialappliancerepair.center/services/commercial-controls-and-board-repair/) ## Dexter commercial appliances. A Dexter call in a laundromat is often set for opening time, before customers load the row and every pocket of the room is in use. [Dexter commercial appliance repair](https://commercialappliancerepair.center/brands/dexter/) More Dexter codes [F1](https://commercialappliancerepair.center/error-codes/dexter-f1/) [F2](https://commercialappliancerepair.center/error-codes/dexter-f2/) [F3](https://commercialappliancerepair.center/error-codes/dexter-f3/) [F8](https://commercialappliancerepair.center/error-codes/dexter-f8/) [F9](https://commercialappliancerepair.center/error-codes/dexter-f9/) [F13](https://commercialappliancerepair.center/error-codes/dexter-f13/) [F14](https://commercialappliancerepair.center/error-codes/dexter-f14/) [F15](https://commercialappliancerepair.center/error-codes/dexter-f15/) [F16](https://commercialappliancerepair.center/error-codes/dexter-f16/) [F17](https://commercialappliancerepair.center/error-codes/dexter-f17/) [F19](https://commercialappliancerepair.center/error-codes/dexter-f19/) [TEMP SENSOR SHORT](https://commercialappliancerepair.center/error-codes/dexter-temp-sensor-short/) [All 15 Dexter codes](https://commercialappliancerepair.center/error-codes/#codes-dexter) Controls and power on other makes [Alto-Shaam E02](https://commercialappliancerepair.center/error-codes/alto-shaam-e02/) [Beverage-Air uLi](https://commercialappliancerepair.center/error-codes/beverage-air-uli/) [Blodgett Com Error](https://commercialappliancerepair.center/error-codes/blodgett-com-error/) [Delfield uLi](https://commercialappliancerepair.center/error-codes/delfield-uli/) [Frymaster E19](https://commercialappliancerepair.center/error-codes/frymaster-e19/) [Garland E01](https://commercialappliancerepair.center/error-codes/garland-e01/) [Hatco Communication Error](https://commercialappliancerepair.center/error-codes/hatco-communication-error/) [Henny Penny E-4](https://commercialappliancerepair.center/error-codes/henny-penny-e-4/) [All 59 codes of this kind](https://commercialappliancerepair.center/error-codes/#family-board) Dexter builds this ### Commercial laundry equipment Coin, card and app-paid front-load machines, washer-extractors, stacked units and tumble dryers in laundromats, multi-housing laundry rooms, hotels, gyms and on-premise laundries. ## In Dexter's own words > This error is a ground fault interruption on the VF drive [Dexter common troubleshooting and error code reference for T-Series vended front-loads (Part 8533, 9/19)](https://www.dexter.com/upl/downloads/library/common-washer-troubleshooting-and-fault-codes.pdf) Every code on this site is taken from the manufacturer's documentation, never from a forum or a parts listing. Dexter T-Series vended front-load machines (T-300 through T-1450) covered by Dexter's 2019 troubleshooting reference; the drive codes come from the variable frequency drive these models use. ## Dexter F18 commercial appliance 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 using the machine and keep the area around it dry. If it comes back, it needs a visit. ### Is F18 on a Dexter a shock risk? Treat it seriously. A ground leak means current is going where it should not. ### Can a wet floor cause F18 on a Dexter? Water reaching damaged motor wiring can. Keep the area dry and have the wiring checked. ### Will F18 clear after a reset on a Dexter? It may, but the cause remains until the wiring is inspected. --- **[Read on the site: Dexter F18: the drive detected current leaking to ground](https://commercialappliancerepair.center/error-codes/dexter-f18/)** **[Book a visit with CommercialApplianceRepair.center](https://commercialappliancerepair.center/schedule/)**