Not reaching temperature MOST COMMON Oven won’t hit set point or loses temperature under load | $240–$420 + parts per diagnosis | Thermostat calibration check first (often no part needed), gas valve assessment, heating element (electric), temperature sensor. Full temperature verification at set point before leaving. |
Gas ignition failure Deck oven won’t ignite, pilot issues, gas smell | $260–$440 + igniter or valve | Igniter, thermocouple, gas valve. Supply pressure check and post-repair leak test included. We confirm igniter condition before recommending gas valve replacement. |
Conveyor belt failure Belt stopped, slipping, or tracking off to one side | $280–$480 + belt or drive components | Conveyor belt replacement, drive motor, belt tensioner, tracking adjustment. Belt failure stops production completely — treated as priority repair. |
Conveyor drive motor failure Motor seized, belt speed inconsistent, chain drive failure | $280–$480 + motor or drive chain | Drive motor replacement, chain drive, gear assembly. Lincoln and Middleby Marshall conveyor drive systems are well-documented — we know these components. |
Uneven baking / hot spots One side burning, uneven crust, temperature variation across deck | $240–$400 + parts if needed | Deck thermostat calibration, burner adjustment (gas deck), impinger finger cleaning (conveyor), airflow assessment. Often resolved with calibration or cleaning — no parts needed. |
Control board / digital controller failure Display dead, error codes, temperature not responding to controls | $280–$520 + controller board | Digital temperature controller, control board, touchpad. Diagnosis confirms board vs. sensor vs. wiring before ordering parts. |
Door seal / gasket failure Heat escaping, door gaps, door not sealing | $200–$360 + gasket | Door gasket replacement, hinge adjustment. Heat loss from a failed door seal causes temperature inconsistency and increases gas consumption significantly. |
Deck stone assessment / replacement Cracked stone, uneven baking surface | $200–$360 + stone panels | Deck stone inspection and replacement. Thermal shock from cold water on hot stone is the most common cause of cracking. We advise on thermal management practices. |
Annual service & calibration Preventive maintenance, temperature verification | $200–$320 Usually no parts | Full cleaning, burner port inspection, thermostat calibration, gas safety check, temperature verification at multiple set points. Recommended annually for high-volume LA pizza operations. |
Diagnostic fee Commercial service call + full diagnosis | $120 Applied to repair | Applied to labor when you approve. Gas calls include supply pressure check and post-repair leak test. Temperature verified before leaving. |