CommercialApplianceRepair.center (844) 571-4566Mon–Sat, 8am–8pm Book a visit
A commercial condensing unit mounted on top of a walk-in cooler in a restaurant back room, its condenser fan guard and dusty coil face in view, insulated copper lines running down into the walk-in cooler's roof panel, nobody near the unit.

Turbo Air C1: the compressor ran 30 minutes and the coil stayed above 32 degrees

C1 is Turbo Air's check that the compressor is actually cooling.

(844) 571-4566

Mon–Sat, 8am–8pm

  • Compressor and cooling
  • Walk-in cooler repair
  • Source: Turbo Air

Book a visit

Three short steps, about a minute.

or call (844) 571-4566

What C1
actually means.

C1 is Turbo Air's check that the compressor is actually cooling. If the evaporator has not dropped below 32 degrees after half an hour of running, the board records C1. Causes range from a blocked condenser or a stuck fan to a compressor or sealed-system problem.

Turbo Air commercial appliance display

What to do when C1 shows on the commercial appliance

Kind of codeCompressor and cooling

The unit is running but not moving heat out of the box the way it should. On a walk-in that is often a condensing unit on the roof choking on cottonwood or grease, a condenser fan that stopped, an evaporator fan or defrost heater that failed so the coil iced solid, or a slow refrigerant leak; a reach-in adds a door gasket or heater that lets warm air in. Cleaning the condenser face with the power off and checking that the doors close are fair first steps; the refrigerant circuit, the compressor and every line stay with a technician.

Usually leads toWalk-in cooler repair

Walk-in coolers and freezers back to temperature: evaporators, fans, defrost, drain heaters, condensing units and doors.

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.

MakeTurbo Air

Turbo Air cabinets in a busy kitchen tend to get a visit between shifts, with the manager present to sign off the log.

SourceTurbo Air PCB settings service sheet (control menu and error codes), turboairinc.com resource center

Read from the error code item (ER) of the control menu, opened by holding both temperature buttons until SL shows, as laid out on Turbo Air's PCB settings sheet.

Before you book,
in this order.

Each step comes from Turbo Air's own guidance for C1 on its commercial appliances. Follow it to the end: the last card says whether this is a visit.

01

Probe the food and move anything above 41°F to a unit that is holding.

02

Unplug the unit and check the condenser for dust or blockage; on self-cleaning models, check the brush is not jammed.

03

Plug it back in and listen for the compressor and fans.

04

If C1 comes back, book a visit; do not open any refrigerant line.

Still there?

It usually turns into walk-in cooler repair. Book with the code and the model number.

What not to do

C1 is not a sensor failure; the D-sensor is reading, and what it reads is too warm. A door left open during loading can also delay the coil, so rule that out first.

What you may
notice with it.

The commercial appliance problems C1 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 C1 usually leads

Walk-in cooler repair.

Walk-in evaporator fan, defrost heater or drain line heater, door gasket, frame heater, expansion valve, leak repair, compressor or condensing unit · moderate to highest.
Book a visit What the job involves

Turbo Air
commercial appliances.

Turbo Air cabinets in a busy kitchen tend to get a visit between shifts, with the manager present to sign off the log.

Turbo Air commercial appliance repair

More Turbo Air codes

F0F1r0r1d0d1F3EDS1

Compressor and cooling on other makes

Beverage-Air LEADelfield LEAHoshizaki E3Randell CONTraulsen CLN FILTrue Residential ConVictory CHt
All 16 codes of this kind
A row of three stainless steel reach-in cabinets with solid doors along the wall of a working restaurant kitchen, the reach-ins clearly the subject, one door open showing sheet pans of prepped vegetables on wire shelves, a walk-in cooler door with a clear strip curtain visible at the far end, a cook seen only from behind in a white jacket passing in the soft background, bright even kitchen light. Turbo Air builds this

Commercial cold storage

Reach-in and pass-through cabinets, walk-in coolers and walk-in freezers, prep and sandwich tables, undercounter units and blast chillers that hold a kitchen's food at safe temperatures.

 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. Turbo Air 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 Turbo Air's own words

Compressor has been on for 30 minutes and D-Sensor is still above 32 degrees
Turbo Air PCB settings service sheet (control menu and error codes), turboairinc.com resource center

Every code on this site is taken from the manufacturer's documentation, never from a forum or a parts listing. Read from the error code item (ER) of the control menu, opened by holding both temperature buttons until SL shows, as laid out on Turbo Air's PCB settings sheet.

Turbo Air C1 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 C1.

Can I clear C1 myself?
Probe the food and move anything above 41°F to a unit that is holding. If it comes back, it needs a visit.
What does C1 mean on a Turbo Air?
After 30 minutes of compressor running, the evaporator was still above 32 degrees, so the unit is not cooling as it should.
Can a dirty condenser cause C1 on a Turbo Air?
Yes. A condenser that cannot shed heat makes the system weak. Turbo Air still recommends blowing out self-cleaning condensers once or twice a year.
Is C1 on a Turbo Air serious?
It can be. If cleaning and a restart do not clear it, a technician needs to check the fans, compressor and charge.

Back to your everyday

Still showing C1?

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.

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