Lincoln 1600-000-A, 1601-000-A service manual

Page 8

 

Hi-limit thermostat(s),

Check for voltage on both sides of the switch. Terminals are

 

control box

normally closed. If open, reset and test oven for proper

 

 

operation. If thermostat will not hold, and control box

 

 

temperature is not exceeding 140°F (60°C), replace thermostat

 

Relay, oven power

Check for 120 VAC to the relay coil. If voltage is not present,

 

 

Trace wiring back to the hi-limit thermostat. If voltage is present,

 

 

check to insure contacts are closing. Check for 120 VAC

 

 

supplied to terminal #2 of the relay. If voltage is not present at

 

 

terminal #2, trace wiring back to the 10 Amp fuse. Replace relay

 

 

as needed.

 

Control transformer

Check for 120 VAC supply to the primary of the control

 

 

transformer. If no voltage is present, trace wiring back to the

 

 

oven power relay. If voltage is present, check for 24 VAC at the

 

 

transformer secondary. If there is primary voltage but no

 

 

secondary voltage, replace control transformer.

 

Conveyor motor

Check for 120 VAC supply to the conveyor motor at wire #14 to

 

 

neutral. If no voltage is present, trace wiring back to the primary

 

 

of the control transformer. If voltage is present and the motor will

 

 

not run, check the motor windings for opens or shorts.

 

 

WITH POWER OFF: Check the motor windings as follows:

 

 

Grey to black - 38Ω approx.

 

 

Grey to blue - 38Ω approx.

 

 

Blue to black - 75Ω approx.

 

 

If any of the above fails, replace conveyor motor.

 

Capacitor, conveyor

Check for shorts or grounds. Replace capacitor as needed.

 

motor

WARNING: Capacitor has a stored charge, discharge before

 

 

testing.

 

Switch, conveyor

Check continuity between switch terminals. Replace switch as

 

reversing

needed.

 

Oven control

If there is 120VAC supplied to the motor, and the motor,

 

 

capacitor, and reversing switch check good, replace the oven

 

 

control.

Conveyor motor runs,

NOTE: Display will

 

but there is no speed

indicate “Belt Jam”

 

display

 

 

 

Oven control

Check for output voltage from oven control to hall effect sensor

 

 

(sensor is located in conveyor motor). Measure voltage at the

 

 

motor connector, red wire and yellow wire. Voltage should be

 

 

approx. 10VDC. If no voltage is present, trace wiring back to

 

 

oven control. If there is no voltage present at the oven control,

 

 

replace the oven control.

 

Conveyor motor

If there is voltage supplied to the hall effect sensor, check for a

 

 

frequency output from the hall effect sensor. Measure frequency

 

 

across the yellow and white wires at the motor connector.

 

 

Frequency reading should be approx. 25 – 100 Hz. If these

 

 

readings are not achieved, replace conveyor motor. If the

 

 

readings are achieved, proceed.

 

Oven control

If the hall effect sensor readings are correct, but there is no

 

 

speed indicated on the display, replace the oven control.

8

Low Profile – 1600 Series Advantage Digital Service Manual – Domestic

Image 8
Contents Impinger Conveyor Ovens Power Supply TemperatureControl BOX Auto Cool Down Main FAN CircuitSchematic Diagram Symptom Possible Cause Evaluation Temperature is not exceeding 140 F 60C, replace thermostat Page With Power on and Thermocouple Attached to Page Burner Blower Motor Replacement HOT Surface Igniter ReplacementConveyor Drive Motor Replacement CAPACITOR, Conveyor Motor ReplacementFuseholder Replacement GAS VALVE, Dual Safety ReplacementTemperature Regulating Valve Replacement Reversing Conveyor DirectionMain Orifice Replacement Bypass Orifice ReplacementON-OFF Switch Power Replacement Burner Control TRANSFORMER, ReplacementHigh Limit Thermostat Replacement Cooling FAN Motors ReplacementMain FAN Motor Replacement Thermocouple Typek ReplacementTemperature Millvolts Approx BEARING, Conveyor ReplacementOven Control Replacement Thermocouple MeasurmentAdvantage Series Letter DescriptionPage Letter Part Number Description Page Letter Description Page Oven Back Page Conveyor

1601-000-A, 1600-000-A specifications

Lincoln 1601-000-A and Lincoln 1600-000-A are two remarkable models produced by Lincoln, showcasing the brand's commitment to engineering excellence and innovative technology. These models symbolize the pinnacle of automotive design and performance, merging luxurious features with state-of-the-art technology.

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