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Lincoln Impinger Conveyor Ovens 1450 - User Manual

Lincoln Impinger Conveyor Ovens 1450
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1450digservice REV 1/30/08
SERVICE MANUAL
(DOMESTIC)
IMPINGER CONVEYOR OVENS
MODEL 1450,1451
WITH PUSH BUTTON CONTROLS
Lincoln Foodservice Products, LLC
1111 North Hadley Road
Fort Wayne, Indiana 46804
United States of America
Phone : (800) 374-3004
U.S. Fax: (888) 790-8193 • Int’l Fax: (260) 436-0735
Technical Service Hot Line
(800) 678-9511
www.lincolnfp.com

Questions and Answers

  • C
    Caitlin MoraAug 9, 2025
    What to do if there is no control box cooling in my Lincoln Impinger Conveyor Ovens 1450 Oven?
    • A
      Alejandra ColeAug 9, 2025
      If there's no cooling in the control box of your Lincoln Oven, start by checking the circuit breaker and resetting it if needed. Ensure the power plug is firmly in the receptacle and measure the incoming power; call your power company if necessary. Inspect the 10 Amp fuse and replace it if needed. Check the fuse holder and replace it if necessary. Check for a 120VAC supply to the oven power switch. If there's no voltage, trace the wiring back to the fuse holder. Check the continuity between the switch terminals and replace the switch if needed. Check for 120VAC supply to the cooling fan. If no voltage is present, trace wiring back to the oven power switch. If voltage is present and motor does not run, check for opens, shorts or grounds. With the power off, check for a locked rotor.
  • J
    jonathon57Aug 19, 2025
    What to do if the oven fan will not run in my Lincoln Impinger Conveyor Ovens 1450 Oven?
    • T
      Thomas KingSep 12, 2025
      If your Lincoln Oven fan isn't running, begin by checking the circuit breaker and resetting it if necessary. Confirm the power plug is firmly in the receptacle and measure the incoming power; contact your power company if needed. Inspect the 10 Amp fuse and replace it if necessary. Check the fuse holder and replace it if needed. Check for a 120VAC supply to the oven power switch. If no voltage is present, trace the wiring back to the fuse holder. Check the continuity between switch terminals and replace the switch as needed. Check for a 120VAC supply to the motor. If no voltage is present, trace wiring back to the switch. Check the motor for opens, shorts, or grounds. With the power off, turn the fan blade to check for a locked rotor.
  • J
    Julie HayesOct 29, 2025
    Why Lincoln Impinger Conveyor Ovens 1450 will not heat?
    • M
      Mark PriceOct 29, 2025
      If your Lincoln Oven won't heat, first check that there's an adequate gas supply to the oven. Then check for 120VAC at wire #5 (input to centrifugal switch, located at 6-pin connector inside motor cover near main fan motor) to neutral. If no voltage is present, trace wiring back to oven power switch. If voltage is present, check for 120VAC at wire #9 (output of centrifugal switch) to neutral. If no voltage is present at wire #9, and the motor is running, replace the main fan motor. Check for 120VAC supplied to burner blower motor. If no voltage is present, trace wiring back to primary of control transformer. If voltage is present and motor is not running, check for opens, shorts or grounds. With power off, turn motor to check for locked rotor and replace burner blower motor as needed. Chec...

Summary

Sequence of Operation

Burner Circuit

Ignition and gas burner operation sequence.

Ignition Control

Temperature Control

Schematic Diagram

Electrical Schematic Overview

Diagram showing oven electrical components and wiring.

Troubleshooting Guide: Fan and Cooling

Oven Fan Not Running

Diagnosing issues when the oven fan fails to operate.

Control Box Cooling Issues

Troubleshooting no or automatic control box cooling.

Troubleshooting Guide: Heating and Ignition

Oven Will Not Heat

Diagnosing lack of heat, fan, or burner issues.

No Pilot Flame Diagnosis

Troubleshooting no pilot flame, pilot valve, or igniter.

Troubleshooting Guide: Flame and Conveyor

Pilot Flame, No Main Flame

Diagnosing issues when pilot is lit but main flame does not ignite.

Intermittent Heating Issues

Conveyor Will Not Run

Diagnosing conveyor motor not operating.

Troubleshooting Guide: Conveyor Speed

No Conveyor Speed Display

Troubleshooting missing speed display or 'BELT JAM'.

Component Removal and Installation: Fans and Capacitors

Main Fan Motor Replacement

Steps to remove and replace the main fan motor.

Main Fan Replacement

Lincoln Impinger Conveyor Ovens 1450 Specifications

General IconGeneral
Model1450
TypeConveyor Oven
Hertz60 Hz
Conveyor SpeedAdjustable
Power SourceElectric
WeightVaries by configuration
Bake TimeAdjustable
Voltage208V or 240V
Phase1 or 3
PowerVaries by configuration

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