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Lincoln Impringer Conveyor Oven 1000 - User Manual

Lincoln Impringer Conveyor Oven 1000
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1000SeriesSvc REV: 1/5/07
SERVICE MANUAL
(DOMESTIC)
IMPINGER CONVEYOR OVENS
MODEL SERIES 1000 - 1200 & 1400
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

Table of Contents

Questions and Answers

  • J
    Jacob RobinsonAug 14, 2025
    How to troubleshoot electronic temperature control issues in a Lincoln Impringer Conveyor 1000?
    • L
      Lisa HernandezAug 15, 2025
      For Lincoln Ovens with Electronic Temperature Control, check for 120 VAC across L1 and L2 on the temperature control board. With the power off, check the ohms across the red and black leads of the potentiometer (1000 ohm, 1 turn); the reading should vary from 0 to 1000 ohms as the dial is turned. From green to red, the reading should be a steady 1000 ohms throughout the full turn of the dial.
  • J
    Jason ReeseAug 17, 2025
    How to troubleshoot a Lincoln Oven fan that will not run?
    • D
      Dana HoustonAug 18, 2025
      If the Lincoln Oven fan isn't running, start by checking the incoming power supply. Look for tripped breakers and reset them if necessary. If power issues persist, contact your power company. For export ovens, verify the control circuit step-down transformer's secondary output is at 120 VAC. Inspect and replace oven fan fuses or the fuse holder if needed. Check the fan switch for continuity between terminals. Examine the main relay for continuity to the 120 VAC coil, power to the coil, and voltage to the terminals. Inspect the fan motor for opens, shorts, or grounds, and manually turn the fan blade to check for a locked rotor. Lastly, check the capacitor for opens, shorts, or grounds.
  • G
    Gregory MillerAug 21, 2025
    Why my Lincoln Impringer Conveyor 1000 will not heat?
    • M
      Michael SmithAug 21, 2025
      If your Lincoln Oven isn't heating, first ensure there's an adequate gas supply to the oven and that the manual gas shut-off valve is open. Check that the fan switch is in the "on" position. Verify the main oven fan is operating; if not, refer to the troubleshooting steps for 'Oven fan will not run'. Check the burner switch for 120 VAC to neutral on both sides; replace the switch if voltage is present on only one side.
  • J
    julialongAug 25, 2025
    Why is the automatic control box cooling not working on my Lincoln Impringer Conveyor 1000 Oven?
    • M
      Mark BrownAug 25, 2025
      If your Lincoln Oven (equipped with a control box cooling fan) isn't automatically cooling, check the incoming power supply and reset breakers if needed. Ensure there's 120 VAC at the cooling fan thermostat. Verify the cooling fan thermostat is functioning correctly (it closes at 120°F and opens at 100°F). Pre-heat the thermostat and check for continuity; replace it if the switch is open. Also, check for 120 VAC to the cooling fan; if the voltage is present and the fan isn't running, replace the fan.
  • M
    Melanie JenningsAug 27, 2025
    What to do if there is no control box cooling in my Lincoln Impringer Conveyor 1000 Oven?
    • M
      Matthew LuceroAug 27, 2025
      If your Lincoln Oven (equipped with a control box cooling fan) isn't cooling the control box, check for power to the Main Fan Relay. Visually inspect for contact pull-in. For export ovens with a control circuit step-down transformer, the cooling fan supply voltage is 240 VAC. With the power off, check for a locked rotor. Verify there's 120 VAC to the cooling fan. If 120 VAC is present at the fan motor but the fan isn't running, replace the fan assembly.
  • G
    gilbertnathanAug 31, 2025
    Why is my Lincoln Impringer Conveyor 1000 Oven heating intermittently?
    • J
      James LopezAug 31, 2025
      Both the main fan motor and burner blower motor in your Lincoln Oven are equipped with thermo-protection and will stop operating if not cooled properly. This can cause intermittent cycling. Also, most of the issues listed under "oven will not heat" can cause intermittent failures.
  • J
    Julie YoungSep 3, 2025
    What to do if my Lincoln Oven has a pilot flame but no main flame?
    • R
      Rachel GregorySep 3, 2025
      If your Lincoln Oven has a pilot flame but no main flame, check the flame sensor. With a visible pilot flame, connect a digital multimeter in series between the flame sensor wire and terminal #4 to measure the current. For a Johnson G-65 control, the reading should be 0.2 micro amp D.C. minimum, and for a Johnson G-60 control, it should be 0.7 micro amp D.C. minimum. Replace the flame sensor if these values aren't met. Also, inspect the flame sensor wire and connections for any damage. If the flame sensor is working, check for 24 VAC at the main valve to see if it has opened. Connect a manometer to the manifold gas pressure tap to check for gas presence. If no gas is present, replace the ignition control and valve assembly.
  • G
    gbakerSep 7, 2025
    Why is there no main fan cool down in my Lincoln Oven?
    • V
      Victoria HoffmanSep 7, 2025
      If the main fan in your Lincoln Oven isn't cooling down, check the cool down thermostat. It should close at 160°F and open at 140°F. Ensure there's 120 VAC at the thermostat. With the thermostat pre-heated, check for continuity. Replace the thermostat if the switch is open.
  • J
    James WilsonSep 10, 2025
    Why is the red indicator light on but there is no main flame in my Lincoln Oven?
    • A
      Ariel GeorgeSep 12, 2025
      If the red indicator light is on but there's no main flame in your Lincoln Oven (with a mechanical thermostat), first check for gas supply at the temperature control. Ensure the temperature control is set above 300°F. Inspect the main orifice for any blockage. If no blockage is found, replace the temperature control.

Summary

Understanding Oven Operation Sequences

Power Supply and Fan Circuits

Details electrical power supply and fan circuit operation for various models.

Burner and Conveyor Drive Systems

Explains the operation of the burner ignition and conveyor drive systems.

Temperature Control and Display Systems

Describes temperature regulation and time/temp display functions.

Heat Circuit Operations

Outlines the operation of the heating elements.

Electrical Schematics by Model Group

1000 Series Schematics

Electrical diagrams for 1000, 1001, 1004, 1005 models.

1022;1023 Series Schematics

Electrical diagrams for 1022/1023 models (S/N dependent).

1040;1041 Series Schematics

Electrical diagrams for 1040/1041 models (S/N dependent).

1200 Series Schematics

Electrical diagrams for 1200, 1201, 1202, 1203, 1204, 1205 models.

1240;1241 Series Schematics

Electrical diagrams for 1240/1241 models (S/N dependent).

Removal, Installation, and Adjustment Procedures

Fan, Motor, and Capacitor Service

Procedures for servicing fan, motor, and capacitor components.

Control System Component Replacement

Steps for replacing relays, switches, and control box components.

Burner System Servicing

Procedures for burner blower motor, thermostat, and ignition control.

Gas Valve and Orifice Maintenance

Steps for servicing gas valves, orifices, and manifold pressure.

Conveyor System Component Service

Procedures for conveyor motors, encoders, and speed controls.

Control Board Calibration and Adjustment

Steps for calibrating and adjusting motor control boards.

Switch Settings and Display Calibration

Guidance on switch settings and display calibration.

Export Oven Specific Procedures

Air Pressure Switch and Gas Valve Adjustments

Procedures for replacing and adjusting air pressure switches and gas valves.

Ignition Control and Thermostat Replacement

Steps for replacing ignition controls and high-limit thermostats.

Burner and Temperature Control Component Servicing

Procedures for replacing burner components and temperature control board.

Potentiometer, Relay, and Conveyor Bearing Procedures

Steps for replacing potentiometers, relays, and servicing conveyor bearings.

Lincoln Impringer Conveyor Oven 1000 Specifications

General IconGeneral
BrandLincoln
ModelImpringer Conveyor Oven 1000
CategoryOven
LanguageEnglish

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