Lincoln 1100 Series User Manual

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1100svcdom REV 1/5/07

SERVICE MANUAL

(DOMESTIC)

IMPINGER CONVEYOR OVENS

MODEL 1100 SERIES

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:

C
Christopher OrtegaAug 13, 2025
What to do if Lincoln 1100 will not heat?
- T
  thorntonmarkAug 14, 2025
  If your Lincoln Oven won't heat, start by checking the gas supply and ensure the manual shut-off valve is open, and the flexible gas line is properly connected. If the main fan isn't working, refer to the troubleshooting steps for 'Oven fan will not run'. Inspect the heat switch for continuity and replace it if necessary. Also, check and replace the 10 amp fuse and fuse holder if needed. Check the burner blower motor to see if it's running. For the oven cavity high limit, verify that the terminals are normally closed. If they are open, push the reset button and retest. For the burner transformer, ensure the primary is 120 VAC with a 24 VAC secondary.
V
valerie51Aug 21, 2025
Why Lincoln 1100 flame will not stay lit?
- M
  Margaret WhiteAug 22, 2025
  If the flame in your Lincoln Oven won't stay lit, make sure ignition occurs six seconds after the gas valve opens. If there is sufficient micro-amp current but the flame still won't stay lit, check for proper polarity of the 120 VAC power supply. If the polarity is correct and the flame still won't stay lit, replace the ignition control.
K
Kyle MitchellAug 25, 2025
What to do if Lincoln Oven cooling fans continue to run after 20 minute cool down?
- S
  Sharon JohnsonAug 25, 2025
  If the cooling fans in your Lincoln Oven continue to run after the 20-minute cool-down period, check the cooling fan thermostat. It should close at 120°F± 5°F and open at 100°F± 5°F. Also, check to ensure that the contacts of the main fan relay are opening after the 20-minute cool-down.
S
scottcoxAug 29, 2025
What causes no main fan cool down in Lincoln 1100 Oven?
- T
  Thomas FowlerAug 29, 2025
  If there is no main fan cool down in your Lincoln Oven, check for 120 VAC at pin #2 and #3 of the 20 Minute Time Delay Relay Main Fan Relay while the main fan is running. When you turn off the main fan switch, 120 VAC should continue to be present for 20 minutes at terminal 2. Check if the relay is operating and terminals are remaining closed for the main fan cool down of 20 minutes. Also, 120 VAC at terminal 2 of Time Delay Relay should discontinue approximately 20 minutes after the main fan switch is switched off. If the switch is open and voltage continues at terminal 2, replace the Time Delay.
W
wglennSep 1, 2025
What causes no control box cooling in Lincoln Oven?
- R
  Robert MasonSep 1, 2025
  If there is no control box cooling in your Lincoln Oven, check the main circuit breakers and reset them if required. Call the power company if needed. Check the main fan switch for continuity between switch terminals. With the fan switch on, check for 120 VAC at terminal 2 of the 20 Minute Time Delay. Check the continuity of the 120 VAC coil on the main fan relay and ensure there is power to the relay coil (120 VAC). 120 VAC should now be at the fan motors. If voltage is present, check the motors for shorts or opens. With the power off, check for a locked rotor.
J
Jillian BlevinsSep 5, 2025
What causes low flame but no main flame in Lincoln 1100?
- S
  Stacy BrooksSep 5, 2025
  If your Lincoln Oven has a low flame but no main flame, check for 120 VAC at terminal #11 to neutral on the temperature control. Turn the temperature adjustment knob to the maximum temperature position and check for 120 VAC at the load terminal (#9) and neutral.
B
Bobby SullivanSep 8, 2025
How to check thermocouple probe in Lincoln 1100 Oven?
- S
  Sarah BrownSep 9, 2025
  With the power on and the thermocouple leads attached to the temperature control board, measure the D. C. millivolt output of these leads. With the power off, remove the potentiometer leads from the temperature control board and measure ohms from black to white leads for the Temperature Control Potentiometer.

Lincoln 1100 Series Specifications

General

Type	Conveyor Oven
Dimensions	Varies by model
Power	Varies by model
Capacity	Varies by model
Weight	Varies by model
Voltage	208V, 240V, 480V
Phase	1 or 3

Summary

SEQUENCE OF OPERATIONS 1100 THRU 1103

POWER SUPPLY

Electrical power connection and voltage specifications for the oven.

MAIN FAN CIRCUIT

Description of the main fan circuit operation and components.

TEMPERATURE CONTROL

Explanation of the temperature control system and its components.

CONVEYOR DRIVE

Description of the conveyor drive system and speed adjustment.

SEQUENCE OF OPERATIONS 1116 - 1117

IGNITION CONTROL

Explanation of the ignition control system and its operation.

TEMPERATURE CONTROL

Explanation of the temperature control system and its components.

SCHEMATIC 1100 – 1101

TROUBLESHOOTING GUIDE 1116 - 1117

Oven fan will not run

Troubleshooting steps for when the oven fan does not operate.

Oven will not heat

Troubleshooting steps for when the oven fails to heat.

REMOVAL, INSTALLATION, AND ADJUSTMENT

MOTOR, MAIN FAN

Procedure for removing and installing the main fan motor.

CAPACITOR, MOTOR

Procedure for replacing the motor capacitor.

MAIN FAN

Steps for removing, installing, and balancing the fan blade.

GEARMOTOR, D.C., CONVEYOR

TACH. GENERATOR

D. C. MOTOR CONTROL BOARD

PARTS / GENERAL –1100 SERIES

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