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A row of front-load commercial laundry machines in an on-premise laundry, their round glass doors closed and drums empty, a folding table and a stack of clean white towels beside them, nobody at the machines.

Alto-Shaam E03: the convection fan did not start turning

The CTP watches its convection fan with a Hall effect sensor.

(844) 571-4566

Mon–Sat, 8am–8pm

  • Motors and drives
  • Commercial laundry machine repair
  • Source: Alto-Shaam

Book a visit

Three short steps, about a minute.

or call (844) 571-4566

What E03
actually means.

The CTP watches its convection fan with a Hall effect sensor. If the fan has not turned within 60 seconds of being told to run, the display calls out E03. A locked motor or fan wheel, a motor control that is flashing its own code, or a sensor that misses rotation are the causes listed.

Alto-Shaam commercial appliance display · also shown as E04

What to do when E03 shows on the commercial appliance

Kind of codeMotors and drives

Something that should turn is not turning, or not at the speed the controller expects. A washer-extractor's drive or its inverter may stop the spin when the load is out of balance or a bearing drags, a tumbler's belt may slip so the drum barely moves, a convection or combi fan may slow on worn bearings and bake unevenly, and a dish machine's wash pump may hum without spraying. Redistributing a load, confirming the door is latched and running the machine's own test cycle are fair; a drum, a belt or a motor is a visit, and nobody reaches into a drum that could still move.

Usually leads toCommercial laundry machine repair

Coin, card and on-premise laundry machines and tumblers: door locks, bearings, inverters, burners and payment hardware.

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.

MakeAlto-Shaam

An Alto-Shaam call is usually booked for the hours between the last plate and the prep crew, so the cabinet can cool and the tech can open it without holding up service.

SourceAlto-Shaam Combitherm CT PROformance Series operator's manual, MN-35948 Rev 21 (10/21) (Wayback copy)

Table-top CTP models and the upper fan of roll-in models, per MN-35948 Rev 21. Roll-in lower fans show E04.

Before you book,
in this order.

Each step comes from Alto-Shaam's own guidance for E03 on its commercial appliances. Follow it to the end: the last card says whether this is a visit.

01

Acknowledge E03 with Start and remove the food, since the oven cannot bake evenly without its fan.

02

With the oven off and cool, look through the door for a pan, foil or rack wedged against the fan guard.

03

With nothing blocking it, book a visit; the motor, its control or the sensor has to be tested.

Still there?

It usually turns into commercial laundry machine repair. Book with the code and the model number.

What not to do

E03 is the upper or only fan; roll-in models report the lower fan separately as E04. It also differs from E53, which is the fan motor overheating after it failed to spin.

What you may
notice with it.

The commercial appliance problems E03 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 E03 usually leads

Commercial laundry machine repair.

Laundry machine door lock, belt, bearings and seal, drain valve, inverter or motor; tumbler igniter, flame sensor, gas valve coil or airflow switch · moderate.
Book a visit What the job involves

Alto-Shaam
commercial appliances.

An Alto-Shaam call is usually booked for the hours between the last plate and the prep crew, so the cabinet can cool and the tech can open it without holding up service.

Alto-Shaam commercial appliance repair

More Alto-Shaam codes

E01E02E13E20E21E34E36E57E89E92E100E105
All 15 Alto-Shaam codes

Motors and drives on other makes

Blodgett Fan ErrorDexter F9Frymaster E25Garland E03Hatco Fan Is StoppedMiddleby Marshall MC1_COMM_LOSTMiele Professional F78Rational Service 47.1
All 27 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. Alto-Shaam 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. Alto-Shaam 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 Alto-Shaam's own words

Convection fan motor does not spin after 60 seconds.
Alto-Shaam Combitherm CT PROformance Series operator's manual, MN-35948 Rev 21 (10/21) (Wayback copy) Alto-Shaam Combitherm CT PROformance Series operator's manual, MN-35948 Rev 21 (10/21) (Wayback copy)

Every code on this site is taken from the manufacturer's documentation, never from a forum or a parts listing. Table-top CTP models and the upper fan of roll-in models, per MN-35948 Rev 21. Roll-in lower fans show E04.

Alto-Shaam E03 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 E03.

Can I clear E03 myself?
Acknowledge E03 with Start and remove the food, since the oven cannot bake evenly without its fan. If it comes back, it needs a visit.
What stops the fan on an Alto-Shaam combi and brings up E03?
The manual lists a locked motor or fan wheel, a motor control with its own error, and a rotation sensor that does not register. Something loose inside the cabinet is worth checking first.
Is E03 on an Alto-Shaam the same as E04?
They describe the same event on different fans. E03 is the table-top or upper fan and E04 is the lower fan on roll-in models.
Can I bake with E03 showing on my Alto-Shaam?
No. Without the convection fan, heat does not move through the cabinet and food cooks unevenly or not at all.

Back to your everyday

Still showing E03?

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