CommercialApplianceRepair.center (844) 571-4566Mon–Sat, 8am–8pm Book a visit
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.

Rational
Restaurant Equipment Repair

A Rational visit is timed after the evening cleaning cycle, when the cabinet is cool and the display can be read without a load inside.

(844) 571-4566

Mon–Sat, 8am–8pm

  • 1 commercial appliance types
  • 6 problems we see
  • 15 error codes

Book a visit

Three short steps, about a minute.

or call (844) 571-4566

Rational commercial appliances,
specifically.

Rational builds two cooking systems for professional kitchens in the US: the iCombi combi oven, in Pro and Classic versions, and the iVario Pro multifunction pan that boils, fries and pressure cooks. Most visits are for iCombi Pro units, which number their own problems as Service messages and say on screen whether cooking can continue.

The Rational lineup

Builds1 commercial appliance type

Commercial cooking equipment

Called out forCommercial Appliance Error Code on a Combi, Fryer, Dish Machine or Laundry Display

and 5 more problems on Rational

Repairs we do10 repairs, on any make

Commercial appliance diagnostic visit · Walk-in cooler repair · Reach-in and prep table repair · Commercial fryer repair

Error codesService 10 · Service 11 · Service 20.1 · Service 25 · Service 28.2

15 Rational codes with a page of their own

The Rational
lineup.

Rational builds 1 of the 4 commercial appliance types this site covers. Which one decides how the visit is planned.

All commercial appliance types
Cooking equipment

Commercial cooking equipment

5 of the problems we see on Rational come up on it Commercial cooking equipment repair

What is particular
to Rational.

We work on iCombi Pro and iCombi Classic combi ovens in electric and gas, table-top and floor sizes, and on iVario Pro multifunction pans. Tell us the model size and whether it runs on gas, since gas units have their own burner messages.

The screen says if you can keep cooking

Every iCombi Pro Service message is listed with a note on whether cooking is still possible, only hot air mode is left, or the oven is stopped. That tells a manager at once whether the lunch rush is at risk, and we plan the visit around it.

Cleaning is part of the machine

The iCareSystem judges how dirty the cabinet is, proposes a cleaning program and descales the steam generator with Rational's own tabs. A good share of Service messages come from that system, so the cleaning history is one of the first things we ask for.

A steam generator to keep free of scale

The iCombi Pro makes steam in a separate generator and shows a green, yellow or red care status for limescale. Red means heavy buildup, and a scaled generator is behind many steam complaints we see.

Gas units carry their own messages

Gas iCombi Pro ovens add burner and ignition box messages to the list, and for burner problems the manual asks you to close the shut-off valve on the gas line. Electric units never show those numbers, so the fuel type matters before we arrive.

Parts

Rational parts such as probes, pumps, valves and boards go by the serial number and software version, which the oven prints in each Service message. The operator can change the cabinet door seal, while the air filter behind the control side is a service task by Rational's own list.

Repair or replace

A probe, pump or valve failure on an iCombi that still heats and cleans properly is a repair, not a replacement. When the steam generator is badly scaled and the electronics have also failed on an older unit, weighing a newer model makes sense.

Book your Rational visit

What we are
called out for.

On Rational, most often commercial appliance error code on a combi, fryer, dish machine or laundry display.

All problems

Rational error codes

All Rational codes
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.

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

8 causes, cheapest first

 A stainless combi oven with its glass door open on an empty cavity, white mineral scale crusted around the steam outlet at the back wall, a stack of hotel pans with pale steamed vegetables on the counter beside it.

Combi Oven Steam Problem: Weak Steam, Scale or a Dry Cavity

6 causes, cheapest first

 A stainless double-stack commercial convection oven with its top door open, a sheet pan of cookies pulled halfway out, browned dark at the back and pale toward the front, a second pan on the rack below.

Commercial Convection Oven Baking Unevenly Across the Racks

6 causes, cheapest first

 A wide puddle of clear water spreading across red quarry tile in a commercial kitchen, running from under a stainless door-type dish machine toward a floor drain and a power cord along the wall, a yellow wet floor sign standing at the edge. Gas, fire, food at risk or water near power

Water on the Commercial Kitchen Floor Near Equipment and Outlets

6 causes, cheapest first

Not a
Rational?

Rational is one of 35 commercial appliance makes on this site. The other 34 each have a page of their own.

All 35 brands

Rational commercial appliance repair,
where we come out.

9 metros, each with its own page.

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
Rational commercial appliances.

Can I keep cooking when my Rational shows a Service message?
It depends on the number. Rational's table marks each message as cooking possible, hot air only, or not possible, so read the exact number and book a visit either way.
What should I have ready before booking a Rational visit?
The serial number and the installed software version, both shown in the error message itself. Add the Service number and whether the unit runs on gas or electric.
Which cleaner should go into a Rational iCombi Pro?
Rational allows only its own Active Green cleaner tabs and care tabs in automatic cleaning, and warns against red cleaners. Wear safety glasses and chemical gloves when handling them.
Can I replace the door seal on a Rational combi myself?
Yes, the manual lists the cooking cabinet door seal as a part the operator can change. Air filter replacement, on the other hand, is left to a service technician.

Back to your everyday

Book your Rational visit.

Have the commercial appliance's model number ready — on Rational it decides which parts come on the first visit.

Schedule a repair Call (844) 571-4566
(844) 571-4566 Schedule a repair