Vulcan-Hart ERD40 service manual Computer Control Harness PIN-OUTS Chart, Solid State Control

Page 91

ELECTRIC FRYERS - TROUBLESHOOTING

TROUBLESHOOTING

COMPUTER CONTROL

HARNESS PIN-OUTS CHART

COMPUTER CONTROL PIN-OUTS

Pin #

Description

Pin #

Description

 

 

 

 

1

Right power input

13

24 VAC ground

 

 

 

 

2

Left power input

14

Right basket output

 

 

 

 

3

Right pilot valve input

15

Right heat output

 

 

 

 

4

Left pilot valve input

16

Left heat output

 

 

 

 

5

Right main valve input

17

24 VAC

 

 

 

 

6

Left main valve input

18

no connection

 

 

 

 

7

Right high limit

19

Left basket output

 

 

 

 

8

Left high limit

20

no connection

 

 

 

 

9

Ignition system type input

21

no connection

 

 

 

 

10

Air filter input

22

no connection

 

 

 

 

11

Door input

23

DC power input (+)

 

 

 

 

12

“Full” or “Split” mode input

24

DC power input (-)

SOLID STATE CONTROL

 

 

 

 

 

SYMPTOM

 

POSSIBLE CAUSES

 

 

 

 

 

Fryer does not heat. Power light is not on.

1.

Power switch off or inoperative.

 

 

2.

Main circuit breaker tripped.

 

 

3.

Fuse in control circuit open.

 

 

 

 

 

Ventilator off, power switch on, power light on.

1.

Ventilator hood circuit breaker open.

 

 

2.

Interlock wiring open.

 

 

3.

Power switch malfunction.

 

 

 

 

 

No heating light, power switch on, power light on.

1.

Temperature control set too low or not calibrated.

 

 

2.

Heating light inoperative.

 

 

3.

Control board inoperative.

 

 

 

 

 

No heating light. Power switch on, power light on,

1.

Shortening temperature above 435￿F, first high limit

 

trouble light and second high limit on.

 

inoperative.

 

 

2.

Second high limit inoperative.

 

 

 

 

 

Excessive time to melt shortening. (more than 45

1.

Melt cycle timing incorrect.

 

minutes).

2.

Heating elements malfunctioning.

 

 

3.

Supply power incorrect voltage.

 

 

 

 

 

Fryer shuts down on first high limit.

1.

Low oil.

 

 

2.

Control not calibrated.

 

 

3.

Contactor malfunction.

 

 

4.

Control board inoperative.

 

 

 

 

 

Fryer shuts down on second high limit.

1.

Low oil.

 

 

2.

Control board inoperative.

 

 

3.

High limit malfunction.

 

 

 

 

 

Thermostat out of calibration by more than 25￿F.

1.

Control board inoperative.

 

 

2.

Probe touching element.

 

 

 

 

 

Light(s) not on when required.

1.

Light inoperative.

 

 

2.

Wiring problem.

 

 

 

 

60

Image 91
Contents Floor Model Electric Fryers Table of Contents Introduction GeneralOperator Control Location Battery ConfigurationTools Potentiometer Solid State Models Control PanelsComputer Control Heating Elements High Limit Thermostat ProbeLift Assist Springs FILTER-READY Return Valve Switch Tilt SwitchTemperature Control Calibration Thermistor Probe Resistance ChartTemperature Control Test Total Resistance Resistance PER PER Element Element Ohms Heating Element TestControl Board Test Solid State Control Melt Temperature Calibration Solid State ControlLift Assist Spring Adjustment Computer Control Test Tilt Switch AdjustmentComponent Function Basket Lift ARM AdjustmentComponent Location Control BOX Computer Control Full VAT Sequence of Operation Basket Lift Sequence Operation Battery and Inter Plumb Filter Sequence OperationComputer Control Board Diagnostics Power UP Diagnostics Schematics Split Vat With Solid State Control Full Vat With Computer Control Split Vat With Computer Control Filter Ready, Inter Plumb Options Wiring Diagram Index Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Page Serve Station Units Solid State Control Computer Control Harness PIN-OUTS Chart

ERD40 specifications

The Vulcan-Hart ERD40 is a premium commercial deep fryer designed for high-volume food service operations. Renowned for its durability and efficiency, this fryer is a staple in restaurants, catering services, and other culinary establishments where consistent performance and speed are paramount.

One of the standout features of the ERD40 is its impressive cooking capacity. With a large frying pot, the fryer can handle substantial volumes of food, making it ideal for busy kitchen environments. It typically includes twin fry pots which allows simultaneous frying of different food items, enhancing productivity and serving speed without compromising on quality.

The fryer is equipped with advanced temperature control technology, which ensures precise temperature regulation. This feature is crucial for achieving perfect frying results and maintaining the quality of fried foods. The temperature can be easily adjusted, providing the flexibility needed for different cooking requirements.

Another key technology incorporated into the Vulcan-Hart ERD40 is its efficient oil filtration system, which helps extend the life of the cooking oil. This system filters out food particles and contaminants, keeping the oil clean and reducing the need for frequent oil changes. As a result, operators can save on both oil costs and maintenance time, ultimately increasing profitability.

The design of the ERD40 prioritizes user convenience and safety. It includes features such as a hinged lid for easy access and an ergonomic design to minimize the risk of spills and burns. Additionally, the fryer is constructed with robust materials that ensure longevity, even under heavy use.

Cleaning and maintenance are made straightforward with removable parts and easy-to-access components, allowing for quick disassembly and thorough cleaning. This attention to detail helps maintain hygiene standards crucial in food service environments.

With its combination of durability, efficiency, and advanced frying technology, the Vulcan-Hart ERD40 is an excellent investment for any commercial kitchen. It meets the demands of high-volume cooking while providing the reliability chefs depend on to serve high-quality dishes consistently.