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A stainless sandwich prep table on a restaurant line, the prep table's lid raised over a row of covered food pans, a probe thermometer standing in one pan, nobody at the table.

Frymaster E17: the mechanical high-limit switch has opened

Behind the controller's own temperature ceiling sits a separate physical high limit.

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Mon–Sat, 8am–8pm

  • Temperature and alarms
  • Reach-in and prep table repair
  • Source: Frymaster

Book a visit

Three short steps, about a minute.

or call (844) 571-4566

What E17
actually means.

Behind the controller's own temperature ceiling sits a separate physical high limit. On the FQ4000 it opens at a higher temperature than E16 and removes heat no matter what the controller asks for. When it opens, the controller logs E17 and the vat stops heating; a reading this high means the normal temperature control has already been bypassed.

Frymaster commercial appliance display · also shown as HIGH LIMIT 2 EXCEEDED

What to do when E17 shows on the commercial appliance

Kind of codeTemperature and alarms

The controller has seen a temperature outside the band it was set for and is saying so: a box above its alarm point, a fryer vat or an oven cavity that tripped its high-limit, or a dish machine rinse that never came up to heat. Often the cause sits outside the unit, such as a door left open during a delivery, a coil packed with grease, a kitchen far hotter than the maker allows or a booster fed cold water. Checking the door, the coil and the air around the unit is fair; move the product if a cold box stays above 41°F, and book the visit.

Usually leads toReach-in and prep table repair

Reach-ins, pass-throughs, prep tables and blast chillers: gaskets, hinges, fans, thermostats, condensers and compressors.

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.

MakeFrymaster

A Frymaster fryer is serviced cold: the visit waits until the oil has come down and the vat has been drained by the crew.

SourceFrymaster FilterQuick FQG30U easyTouch gas fryer manual with FQ4000 controller (error log codes, section 5.6)

FQ4000 easyTouch touchscreen controller on FilterQuick fryers (FQG30U and related FilterQuick gas and electric models). Earlier Frymaster controllers show HELP HI-2 for a high limit that has tripped or failed.

Before you book,
in this order.

Each step comes from Frymaster's own guidance for E17 on its commercial appliances. Follow it to the end: the last card says whether this is a visit.

01

Leave the fryer off and let the oil cool without moving or draining it.

02

Keep the Class K extinguisher and the hood suppression pull station clear and ready until the vat has cooled well below frying heat.

03

Write down the time and what was cooking, then book a visit; the reason the oil got that hot has to be found before the switch is reset.

Still there?

It usually turns into reach-in and prep table repair. Book with the code and the model number.

What not to do

E17 is the switch that saved the vat, not the root cause, so resetting it and firing up again only repeats the overheating. It is different from E18, where the oil passed 460°F and this same switch failed to open at all.

What you may
notice with it.

The commercial appliance problems E17 tends to arrive with. Answer these at the commercial appliance before anyone is booked.

All problems

Before you call

Commercial Appliance Error Code on a Combi, Fryer, Dish Machine or Laundry Display

All 8 causes, cheapest first

It also comes with

Close view of the dark touch control panel on the front of a stainless combi oven in a commercial kitchen, one abstract amber warning indicator glowing among unlit icons, the steam-fogged glass door blurred beside it. Problem

Commercial Appliance Error Code on a Combi, Fryer, Dish Machine or Laundry Display

8 causes, cheapest first

Where E17 usually leads

Reach-in and prep table repair.

Reach-in, pass-through or prep table gasket, hinge, fan motor, thermostat or controller, defrost heater, leak repair or compressor · moderate.
Book a visit What the job involves

Frymaster
commercial appliances.

A Frymaster fryer is serviced cold: the visit waits until the oil has come down and the vat has been drained by the crew.

Frymaster commercial appliance repair

More Frymaster codes

E13E16E18E19E25E28E33E39E41E42E44E53
All 15 Frymaster codes

Temperature and alarms on other makes

Alto-Shaam E13Beverage-Air HiBlodgett Cavity High Temp ErrorCleveland RESET lightContinental Refrigerator HIDelfield HiGarland E04Hatco Control Board Overtemp
All 68 codes of this kind
A working restaurant cooking line under a stainless ventilation hood, two stainless gas fryers with baskets hanging above the oil, a flat griddle and a combi oven with a glass door beside them, the equipment clearly the subject, a cook seen only from behind and shoulders down at the far end of the line, warm kitchen light, small blue flames visible under the griddle. Frymaster 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 Frymaster's own words

High limit switch has opened.
Frymaster FilterQuick FQG30U easyTouch gas fryer manual with FQ4000 controller (error log codes, section 5.6) Frymaster FilterQuick FQG30U easyTouch gas fryer manual with FQ4000 controller (error log codes, section 5.6)

Every code on this site is taken from the manufacturer's documentation, never from a forum or a parts listing. FQ4000 easyTouch touchscreen controller on FilterQuick fryers (FQG30U and related FilterQuick gas and electric models). Earlier Frymaster controllers show HELP HI-2 for a high limit that has tripped or failed.

Frymaster E17 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 areas

Tampa BayFL · 31 areas

OrlandoFL · 30 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

San Francisco Bay AreaCA · 74 areas

A restaurant team working a busy commercial kitchen line.
For the heart of your home.

Questions
about E17.

Can I clear E17 myself?
Leave the fryer off and let the oil cool without moving or draining it. If it comes back, it needs a visit.
Is there a reset button for E17 on a Frymaster FilterQuick?
The switch itself sits behind the panels with the frypot wiring, and Frymaster's guidance is to shut down and get service. A technician resets it only after finding why the oil ran that hot.
Why did my Frymaster stop heating after an E17?
Because the high limit is designed to lock the heat off until someone deals with it. The vat will stay cold, which is the safe outcome.
Does E17 mean my Frymaster almost caught fire?
It means the oil reached a temperature the fryer is built never to see in normal cooking. The backup did its job, which is exactly why the primary control must be checked before the next shift.

Back to your everyday

Still showing E17?

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.

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