Pitco Prob HI: the probe or its wiring has shorted
A shorted probe gives a reading the Digital Solid State Control cannot believe, so the screen trades the temperature for Prob and HI.
Mon–Sat, 8am–8pm
- Sensors and probes
- Commercial controls and board repair
- Source: Pitco
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What Prob HI
actually means.
A shorted probe gives a reading the Digital Solid State Control cannot believe, so the screen trades the temperature for Prob and HI. That pairing does not tell you the oil is hot; it tells you the measurement is broken. Pitco's steps are to test the probe and check the wires and connectors to the control for a short.
Pitco commercial appliance display
What to do when Prob HI shows on the commercial applianceKind of codeSensors 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 toCommercial controls and board repair
Controllers, touch panels, relays, contactors and interlocks tested, and replaced only when the evidence says so.
Shows up asCommercial 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.
MakePitco
A Pitco visit begins only once the vat is cool enough to drain, since nobody on the crew should be reaching near hot oil.
SourcePitco Solstice and Solstice Supreme SG/SSH series gas fryer service manual (L22-345 R1)
Pitco Digital Solid State Control on Solstice and Solstice Supreme gas fryers (L22-345). The computer control shows the same short as SYSTEM FAILURE.
Before you book,
in this order.
Each step comes from Pitco's own guidance for Prob HI on its commercial appliances. Follow it to the end: the last card says whether this is a visit.
Turn the fryer off and check the oil with a thermometer only to confirm it is cooling, not to keep frying.
Move production to another tank or fryer.
Book a visit so the shorted probe or wire can be found and replaced.
Still there?
It usually turns into commercial controls and board repair. Book with the code and the model number.
What not to do
Prob HI reads like a high temperature alarm but is a probe short, so do not assume the oil has overheated. If oil really does overheat, the separate high limit switch trips and the fryer stops heating.
What you may
notice with it.
The commercial appliance problems Prob HI tends to arrive with. Answer these at the commercial appliance before anyone is booked.
All problems
Where Prob HI usually leads
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 repairMore Pitco codes
Sensors and probes on other makes
In Pitco's own words
If display reads “Prob” “HI”,
Every code on this site is taken from the manufacturer's documentation, never from a forum or a parts listing. Pitco Digital Solid State Control on Solstice and Solstice Supreme gas fryers (L22-345). The computer control shows the same short as SYSTEM FAILURE.
Pitco Prob HI 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.
All service areasTampa BayFL · 31 areas
Miami / South FloridaFL · 47 areas
New York MetroNY · 75 areas
HoustonTX · 36 areas
ChicagoIL · 50 areas
Los AngelesCA · 95 areas
San DiegoCA · 31 areas
Questions
about Prob HI.
Can I clear Prob HI myself?
Does Prob HI mean my Pitco oil is too hot?
Can moisture cause Prob HI on a Pitco?
Should I keep using a Pitco that shows Prob HI now and then?
Back to your everyday
Still showing Prob HI?
A booking with a code goes further when it has the code as shown, the model and serial from the data plate, and a word on whether the unit still holds temperature, heats, rinses or spins. With those three, the office can match the likely part to your unit the same day.