--- title: "Pitco PROBE OPEN: the oil temperature probe has lost its circuit" description: "What PROBE OPEN means on Pitco PROBE OPEN: the oil temperature probe has lost its circuits, what to check before booking, and when it is not a failure at all." url: "https://commercialappliancerepair.center/error-codes/pitco-probe-open/" --- # Pitco PROBE OPEN: the oil temperature probe has lost its circuit The temperature probe sits in the cook zone of the tank and feeds the computer the oil temperature. ## What PROBE OPEN actually means. The temperature probe sits in the cook zone of the tank and feeds the computer the oil temperature. When the probe or the wires and connectors to it break continuity, the display alternates PROBE OP and OPEN and the fryer will not regulate heat. Pitco's technicians test the probe with an ohmmeter and then check each connector back to the control. Pitco commercial appliance display · also shown as PROBE OP, Probe Op, Open What to do when PROBE OPEN shows on the commercial appliance ### Kind of code Sensors and probes A probe is handing the controller a reading it cannot trust, or none at all: a box or coil sensor torn loose from its clip, a fryer probe coated in carbon from oil left too long between filterings, a combi core probe with a kinked cable, or a connector gone green from steam and cleaning chemicals. The unit then runs on, stops, or shuts the heat or the cooling off to protect itself. Letting it cool and restarting it as the manual describes is fair; a probe that still reads wrong sits behind a panel, 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 Pitco A Pitco visit begins only once the vat is cool enough to drain, since nobody on the crew should be reaching near hot oil. ### Source Pitco Solstice and Solstice Supreme SG/SSH series gas fryer service manual (L22-345 R1) Pitco computer controls on Solstice and Solstice Supreme gas fryers and on the SELV reduced oil volume electric fryers (L20-406), which list Probe Op or Open. ## Before you book, in this order. Each step comes from Pitco's own guidance for PROBE OPEN on its commercial appliances. Follow it to the end: the last card says whether this is a visit. 01 Turn the fryer off and do not try to fry by guessing the temperature. 02 Note whether the message appears on one tank or several, and whether it came after a boil-out or a deep clean. 03 Leave the probe and its wiring alone; a technician has to meter the probe and trace the harness, so book a visit. ### 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 PROBE OPEN is a broken circuit, while SYSTEM FAILURE on the same computer means the probe circuit is shorted. Neither is an overheating alarm, although a fryer that cannot read its oil must be treated with the same caution. ## What you may notice with it. The commercial appliance problems PROBE OPEN 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 - [**Commercial Fryer Not Heating or Slow to Recover Between Baskets**](https://commercialappliancerepair.center/problems/commercial-fryer-not-heating/) Problem ### Commercial Appliance Error Code on a Combi, Fryer, Dish Machine or Laundry Display 8 causes, cheapest first Where PROBE OPEN 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/) ## Pitco commercial appliances. A Pitco visit begins only once the vat is cool enough to drain, since nobody on the crew should be reaching near hot oil. [Pitco commercial appliance repair](https://commercialappliancerepair.center/brands/pitco/) More Pitco codes [HEAT FAIL](https://commercialappliancerepair.center/error-codes/pitco-heat-fail/) [IGNITION FAILURE](https://commercialappliancerepair.center/error-codes/pitco-ignition-failure/) [SYSTEM FAILURE](https://commercialappliancerepair.center/error-codes/pitco-system-failure/) [Prob](https://commercialappliancerepair.center/error-codes/pitco-prob/) [Prob HI](https://commercialappliancerepair.center/error-codes/pitco-prob-hi/) [DRAINING TURN OFF](https://commercialappliancerepair.center/error-codes/pitco-draining-turn-off/) [POSSIBLE FILTER ISSUE – CHECK AND RESOLVE](https://commercialappliancerepair.center/error-codes/pitco-possible-filter-issue/) [Is vat full?](https://commercialappliancerepair.center/error-codes/pitco-is-vat-full/) [FILTER?](https://commercialappliancerepair.center/error-codes/pitco-filter/) Sensors and probes on other makes [Alto-Shaam E20](https://commercialappliancerepair.center/error-codes/alto-shaam-e20/) [Beverage-Air E01](https://commercialappliancerepair.center/error-codes/beverage-air-e01/) [Blodgett Cavity Probe Error](https://commercialappliancerepair.center/error-codes/blodgett-cavity-probe-error/) [Continental Refrigerator E0](https://commercialappliancerepair.center/error-codes/continental-refrigerator-e0/) [Delfield E01](https://commercialappliancerepair.center/error-codes/delfield-e01/) [Dexter TEMP SENSOR SHORT](https://commercialappliancerepair.center/error-codes/dexter-temp-sensor-short/) [Frymaster E13](https://commercialappliancerepair.center/error-codes/frymaster-e13/) [Garland E21](https://commercialappliancerepair.center/error-codes/garland-e21/) [All 59 codes of this kind](https://commercialappliancerepair.center/error-codes/#family-sensor) Pitco builds this ### Commercial cooking equipment Fryers, griddles, charbroilers, restaurant ranges, convection and combi ovens, steamers, kettles, holding cabinets and toasters, on gas or electric, that make up the hot side of a kitchen line. ## In Pitco's own words > If display reads “PROBE OP” “OPEN”, [Pitco Solstice and Solstice Supreme SG/SSH series gas fryer service manual (L22-345 R1)](https://www.pitco.com/wp-content/uploads/2022/03/L22-345.pdf) [Pitco Solstice and Solstice Supreme SG/SSH series gas fryer service manual (L22-345 R1)](https://www.pitco.com/wp-content/uploads/2022/03/L22-345.pdf) [Pitco Reduced Oil Volume frying system SELV14, SELV14T, SELV184 installation and operation manual (L20-406 Rev 7)](https://www.pitco.com/wp-content/uploads/2022/03/L20-406.pdf) Every code on this site is taken from the manufacturer's documentation, never from a forum or a parts listing. Pitco computer controls on Solstice and Solstice Supreme gas fryers and on the SELV reduced oil volume electric fryers (L20-406), which list Probe Op or Open. ## Pitco PROBE OPEN 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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Turn the fryer off and do not try to fry by guessing the temperature. If it comes back, it needs a visit. ### Can boiling out a Pitco cause PROBE OPEN? It can, if water or cleaner reaches a damaged probe or loosens a connector. The probe still has to be measured to know for sure. ### Does PROBE OPEN mean the Pitco probe itself is bad? Often, but not always. Pitco tests the probe and then the wires and connectors between the probe and the controller, because a broken wire gives the same message. ### Will a Pitco heat with PROBE OPEN on the display? It should not. Without a probe reading the control has no safe way to hold temperature, so plan on that tank being out of service until the visit. --- **[Read on the site: Pitco PROBE OPEN: the oil temperature probe has lost its circuit](https://commercialappliancerepair.center/error-codes/pitco-probe-open/)** **[Book a visit with CommercialApplianceRepair.center](https://commercialappliancerepair.center/schedule/)**