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A hand holding the knob of a pizza oven's gas valve in the off position.

Safe checks with the oven cold

Troubleshooting
guides.

The checks a pizza oven owner can make safely, from the gas shutoff, the tank and the breaker to the pilot, the door, the ash and the rating plate, and where to stop and book.

(844) 747-3662

Mon–Sat, 8am–8pm

  • Three guides
  • Read before you book
  • Says where to stop

Book a visit

Three short steps, about a minute.

or call (844) 747-3662

Troubleshooting,
guide by guide.

Start here when you would like to know whether a visit is even needed. The section holds a half-hour walk through the supply, the power and the controls with the oven off, a guide to a pilot or burner that goes out as soon as the knob is released, and a map of where each kind of pizza oven keeps its rating plate.

All 18 guides
The front of a cold stainless outdoor gas pizza oven on a patio counter, the pizza oven's door set aside and its empty stone floor in view, the control knob at off, a phone, a small flashlight and a fresh AAA battery lying on the counter beside the pizza oven, a closed propane cylinder under the counter.
6-minute read

Pizza oven troubleshooting in half an hour, with the fire out

The plate, the shutoff and cylinder, the breaker, GFCI and igniter battery, then ash, wood and the door on a dome, or the message on a conveyor screen. What to write down, and the four signs that end the checks.

The lower front of a stainless gas deck pizza oven in a pizzeria, its control panel door open to show a gas valve with a red pilot button and a small steady blue pilot flame behind a sight opening, the closed deck doors of the pizza oven above.
5-minute read

When the pilot will not stay lit after you let go of the button

The safety valve needs a hot sensor before it trusts the flame. Hold times of 10 to 30 seconds from the manuals, the five-minute wait, a knob pushed too deep, wind across the mouth and a pilot flame shrunk by flour dust.

The back corner of a cold stainless outdoor gas pizza oven on a cart on a patio, a small blank metal rating plate riveted to the pizza oven's rear panel lit from the side by a flashlight lying on the cart shelf, the oven's stone floor just visible through the open front.
6-minute read

Find the pizza oven rating plate: under the tray, round the back or behind the panel

Model, serial number and gas type, and every maker puts them somewhere else. Where outdoor gas ovens, domes, deck ovens and conveyors keep the plate, the copy in the manual, and how to read one the heat has darkened.

Safe checks with the oven cold.

All of it is done from outside the oven, fire out or knobs at off. A phone camera, a flashlight, a fresh igniter battery and an infrared thermometer are the whole kit; there is no wrench on the list, since no gas fitting gets loosened and no panel comes off.

The checks differ by type, and the guides say which apply where. An outdoor gas oven on a cart starts at the propane cylinder and the GFCI, a wood-fired dome at the ash, the wood and the door, a deck oven at the shutoff and the pilot, and a conveyor at the breaker, the emergency stop and the message on its screen.

Each guide also shows where an owner's work ends. A gas smell, fire outside the chamber, smoke inside a room or a hot electrical smell halts the checks immediately, and gas valves, orifices, thermocouples and wiring sit beyond that line. Two lines of notes on what you tried help the visit far more than a panel already removed.

Not sure where to start?

The short answerPizza oven troubleshooting in half an hour, with the fire out

Owner-level pizza oven troubleshooting takes half an hour with the oven off: note the type, fuel and rating plate, confirm the gas shutoff and propane cylinder, check the breaker, outlet or GFCI and the igniter battery, look at ash, wood and the door on a wood dome, and read any screen message on a deck or conveyor oven.

The short answerWhen the pilot will not stay lit after you let go of the button

A pizza oven pilot light, or a main burner with a flame sensor, goes out on release when the thermocouple or thermopile has not heated enough to hold the safety valve open.

The short answerFind the pizza oven rating plate: under the tray, round the back or behind the panel

The pizza oven serial number sits on a rating plate with the model and the gas type.

When reading
is not enough.

If the checks in these guides did not settle it, the visit picks up from there, stop by stop.

What repairs cost
  1. 01Gas, power and draft come first
  2. 02The cause, and its cost
  3. 03Parts that ride along
  4. 04Fired up before we go

The problems
these answer.

Each has a page of its own, with the causes in the order worth checking.

All 17 problems
A stainless outdoor gas pizza oven on a patio counter in plain afternoon light, its door off and the pizza oven stone floor cold and empty, the burner channel along the back dark with no flame, the knob at the front. Problem

Gas Pizza Oven Won't Light: Clicks, Gas Hiss, Still No Flame

7 causes, cheapest first

 Close view inside a cold commercial deck pizza oven burner compartment below the stone floor, a small weak yellow pilot flame barely touching the tip of a thermocouple beside a long burner tube, a light dusting of flour on the metal. Problem

Pizza Oven Pilot Won't Stay Lit Once the Knob Is Released

6 causes, cheapest first

 A domed wood-fired pizza oven in a backyard on an overcast day, a small smoky fire of dark damp logs at the back of the pizza oven stone floor, the inside of the dome still black with soot, a pale raw pizza waiting on a peel resting on the ledge. Problem

Pizza Oven Not Getting Hot Enough to Bake a Crisp Crust

7 causes, cheapest first

 Close view of the dark digital control panel on the side of a stainless conveyor pizza oven, one abstract amber indicator glowing beside unlit segments, the edge of the pizza oven belt blurred behind it. Problem

Pizza Oven Error Code on a Deck, Conveyor or Rapid-Cook Display

7 causes, cheapest first
A family sliding a pizza into a wood-fired pizza oven on a sunny patio.
For the heart of your home.

Questions about
troubleshooting.

Can a half hour of checks save the visit altogether?
Now and then: a shutoff left closed, a propane flow limiter that tripped, a dead igniter battery or a screen message that simply meant warm-up. Even when they do not settle it, the technician can start past everything you have ruled out.
May an owner relight a pilot?
Yes, when you follow the lighting steps printed on the oven or in its manual, including the five-minute wait between attempts. Stop after two or three tries; a pilot that will not hold after that needs a technician, not more attempts.
Why does the rating plate get a guide of its own?
Parts are ordered by the numbers on it, and the gas it names must be the gas the pizza oven is fed. Almost every make also puts it somewhere different, usually out of sight from the front.
Which situations mean no checks at all?
A gas smell, flame reaching out of the mouth toward a hood or canopy, fire in the chimney, smoke filling a room or a burning electrical smell. Close the supply only if it is within easy, safe reach, get people clear and go to the urgent steps for that situation.

The other
sections.

Split by what you are trying to find out rather than by which part of the appliance it concerns.

All guides
A pizza oven's stone floor with one scorched patch beside a pale one, seen close.
What the fire and the floor are telling you

Common problems

A long brass brush resting on the cold stone floor of a pizza oven.
Habits that keep an oven baking evenly

Maintenance and prevention

A thermometer gun pointed at the stone floor of a pizza oven.
Gas, flame, smoke and safe bake temperatures

Gas, fire, smoke and food

A gas pizza oven and a wood-fired pizza oven side by side on one patio.
Wood or gas, deck or conveyor, fix or retire

Choosing and comparing

The steel flue pipe rising from the top of a pizza oven, seen from below.
Clearances, the hearth under it, the flue and the fuel

Installation and setup

Not sure which section?

Start from your question

The four questions most visits start with, each with the guide that answers it.

18 guidesWhere to start Where to start

Back to your everyday

Let’s get your pizza oven working again.

Three short steps online, or one call. Tell us what you are seeing and pick a window that works.

Schedule a repair Call (844) 747-3662
(844) 747-3662 Schedule a repair