Close view of a technician's hands, shoulders down, holding meter probes to the terminals of a controller board inside the open control panel of a stainless commercial kitchen unit, neat wiring and a contactor visible, a blank dark display beside the board, the controls clearly the subject, even light.

Commercial Controls and Board Repair

Controllers, touch panels, relays, contactors and interlocks tested, and replaced only when the evidence says so.

(844) 571-4566

Mon–Sat, 8am–8pm

Moderate cost band
5 steps on the visit
6 problems it answers

Book a visit

Three short steps, about a minute.

or call (844) 571-4566

What the commercial controls and board repair
involves.

Almost every piece of commercial equipment made in the last twenty years runs on a controller, and when something goes wrong the display is where the manager looks first. That makes boards look guilty more often than they are. A code on a combi, a fryer computer that shows an error, a reach-in controller with an alarm, a dish machine that stops mid-cycle or a laundry machine that will not start all point at a chain of parts, and the board is only one link: the probes and sensors that feed it, the switches and interlocks that give it permission, the relays and contactors it drives, the power supply behind it and the wiring between them. The technician reads the code and the history, then measures inputs and outputs to show where the chain breaks. A probe that reads wrong, a door switch that no longer closes, a contactor with burned points or a loose connector in a hot compartment is replaced, and the board stays. When the board really has failed, the finding says why, heat, water, a surge or age, so the new one is not lost the same way. Settings such as setpoints, cycle times or payment values are recorded before any board is changed and restored after.

How the visit goes

What it usually costsModerate · Controller, touch panel, probe or sensor, relay, contactor, power supply, door switch or interlock, tested before anything is changed

A probe, a door switch or a contactor is modest. A relay board or a power supply is in the middle, and a main controller or a touch panel, set back up with your setpoints and cycle values, is the dearest part here.

Answers 6 problemsCommercial Appliance Error Code on a Combi, Fryer, Dish Machine or Laundry Display

Reach-In Cooler Not Holding Temperature Through a Shift · Commercial Fryer Not Heating or Slow to Recover Between Baskets · Combi Oven Steam Problem: Weak Steam, Scale or a Dry Cavity · Dish Machine Not Reaching Temperature on the Wash or Final Rinse · Restaurant Equipment Burning Smell: Scorched Oil, Hot Wiring or Lint

Comes up most onCommercial cold storage

Commercial cooking equipment · Commercial dish machines · Commercial laundry equipment

Codes that lead hereE02 · E20 · E21 · E92

Alto-Shaam E02: the relay board inside the combi is too hot.

Commercial controls and board repair,
step by step.

Restore the settings, run the equipment through a full cycle and note what caused the part to fail.

Read the code, the alarm and the controller history, and hear what the equipment did just before it stopped.

Measure the probes and sensors that feed the controller against a reference, and test switches and interlocks.

Check the outputs the board drives, relays, contactors, valves and motors, and the power supply and connectors.

Record setpoints, cycle times and payment values, then replace only the part the measurements condemn.

Restore the settings, run the equipment through a full cycle and note what caused the part to fail.

The problems
it answers.

6 of them, from commercial appliance error code on a combi, fryer, dish machine or laundry display to restaurant equipment burning smell: scorched oil, hot wiring or lint.

All problems

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.

Most common

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

8 causes, cheapest first

Before you call

Tell us this when you book

The exact code, alarm or message on the display, and whether it clears on its own or comes back
What the equipment was doing when it appeared: defrost, preheat, filtering, a wash cycle or an extract
Whether there was a power outage, a storm, a water leak or a cleaning near the controls beforehand
The make, model and serial, and any settings your staff changed recently

It also answers

Moderate,
on the site's scale.

Read the full cost guide

Repair	Relative cost
Walk-in evaporator fan, defrost heater or drain line heater, door gasket, frame heater, expansion valve, leak repair, compressor or condensing unit
Reach-in, pass-through or prep table gasket, hinge, fan motor, thermostat or controller, defrost heater, leak repair or compressor
Fryer pilot assembly, thermopile, thermostat or probe, high-limit, gas valve, ignition module, element, contactor or filter pump motor
Convection or combi blower motor, door switch or gasket, igniter or element, core probe, level probe, steam generator or controller
Cooking line pilot, thermocouple, burner or orifice, safety valve, griddle thermostat, regulator or quick-disconnect hose, leak-checked
Dish machine tank heater or booster element, thermostat, fill valve, float switch, drain valve, wash pump seal or motor, conveyor drive
Laundry machine door lock, belt, bearings and seal, drain valve, inverter or motor; tumbler igniter, flame sensor, gas valve coil or airflow switch
Controller, touch panel, probe or sensor, relay, contactor, power supply, door switch or interlock, tested before anything is changed	moderate
Scheduled maintenance visit: coils and drains cleaned, gaskets and doors checked, thermostats calibrated, gas leak check, temperatures logged

Where it
comes up most.

Most bookings: Commercial cold storage, Commercial cooking equipment, Commercial dish machines, Commercial laundry equipment.

All commercial appliance types

Codes that lead here

All 127 codes that lead here

Often the same visit

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.

Commercial cold storage

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.

Commercial cooking equipment

A stainless door-type dish machine in a busy restaurant warewashing station, its hood half raised with steam rising, a green plastic rack of clean white plates sliding out onto the clean-side table, the dish machine clearly the subject, a worker seen only from behind and shoulders down in an apron at the soiled side, bright even kitchen light.

Commercial dish machines

The makes
we see it on.

35 makes on this site, and the commercial controls and board repair on any of them. Each mark opens that make's own page.

All 35 brands

Commercial controls and board repair,
where we come out.

The business, the climate and the building all change how the commercial controls and board repair goes. These notes are about that, metro by metro.

All service areas

Tampa BayFL · 31 areas

Tampa Bay sees some of the most lightning in the country, and surges travel through kitchen and laundry circuits into control boards, so a board repair there looks for surge damage and loose connections and asks whether the unit needs surge protection.

OrlandoFL · 30 areas

Orlando's daily summer thunderstorms bring power flickers that scramble fryer computers, combi controls and laundry boards, and a repair there restores settings, tests the board and looks at how the equipment is wired and protected.

Miami / South FloridaFL · 47 areas

South Florida humidity and salt air corrode control boards and their connectors, and a control that behaves erratically is often cleaned, dried and reseated before a board is replaced, with the enclosure seals checked too.

New York MetroNY · 75 areas

Aging electrical service in older New York buildings can leave voltage sagging or circuits unbalanced, which confuses the modern controls on combis, dish machines and laundry equipment, so the technician measures the supply before replacing any board.

HoustonTX · 36 areas

Houston storms bring long outages and power spikes when the grid comes back, and control boards in walk-ins, fryers and dish machines are often damaged in that moment, so repairs there check the voltage and the unit's restart settings.

ChicagoIL · 50 areas

In Chicagoland, controls on rooftop condensing units face snow, ice and condensation, and indoor boards meet static and dry air all winter, so a board repair there also checks sensor wiring and connectors for moisture damage.

Los AngelesCA · 95 areas

Los Angeles kitchens with connected equipment rely on touch panels and networked boards, and heat, grease and cleaning chemicals wear them down, so the fix there is often a new touch panel, with its wiring rerouted away from the heat.

San DiegoCA · 31 areas

San Diego coastal kitchens and laundries see salt corrosion on control connectors, and an intermittent error there often traces back to a corroded plug or sensor lead, cleaned or replaced before an expensive board is condemned.

San Francisco Bay AreaCA · 74 areas

Bay Area businesses often tie their equipment into energy management and monitoring systems, and a board repair there checks the communication module, the sensors and the settings so the kitchen's logs stay accurate after the fix.

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

Questions about
the commercial controls and board repair.

Does a code on the display mean the control board has failed?

Rarely on its own. Most codes report what the board sees, a probe out of range, a door open, a fill that took too long, so the fix is usually the part the code points at. The board is replaced only when it is shown to be the broken link.

Can staff reset the controller to clear a code?

A single reset by the maker's steps is reasonable, and it is worth writing down the code first. If the same code comes back, stop resetting it and book a visit, because repeated resets can hide a temperature or a safety problem.

Why did two boards fail in the same kitchen within a year?

Heat, grease and water are the usual reasons: a controller mounted beside a flue, a hood that no longer pulls, a spray hose aimed at the panel, or surges on a shared circuit. The finding names the cause so the next board lasts.

Back to your everyday

Ready to book the commercial controls and board repair?

Have these to hand: the exact code, alarm or message on the display, and whether it clears on its own or comes back, what the equipment was doing when it appeared: defrost, preheat, filtering, a wash cycle or an extract, whether there was a power outage, a storm, a water leak or a cleaning near the controls beforehand, the make, model and serial, and any settings your staff changed recently.

Schedule a repair Call (844) 571-4566