Frymaster ESW, 17ECS, EWBS manual Troubleshooting the Water Heating System, Probe Thermostat

Page 48

TROUBLESHOOTING THE WATER HEATING SYSTEM

Each of the following checks is to be performed with the unit connected to the electrical power supply, with the computer ON and calling for heat, and with at least enough water in the cookpot to cover the lower water-level sensor.

CHECKING THE

 

 

 

 

CHECKING

 

 

 

 

 

 

 

 

THE TEMPERATURE

 

 

 

 

HIGH-LIMIT

 

 

 

 

 

 

 

 

 

 

 

 

PROBE

 

 

 

 

THERMOSTAT

 

 

 

 

 

 

 

 

 

 

 

 

(Because water boils in

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Simmer Mode or water

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

is too cool in Simmer

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Mode.)

 

 

 

 

Is resistance

 

 

High-limit has

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

between Pins 5 and

 

 

 

 

 

 

 

 

 

 

 

 

 

No

 

 

Adjust controller in

 

 

 

 

 

8 of the 15-pin plug

 

failed. Replace.

 

 

 

 

 

 

 

 

 

accordance with instructions

 

 

 

 

 

 

 

 

 

 

 

 

 

1 ohm or less?

 

 

 

 

 

 

 

 

 

 

 

 

 

in Section 3.1.3.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

If this does not correct the

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

problem, continue.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Yes

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

High-limit is OK.

 

 

 

Check probe resistance between Pins

 

 

 

 

 

 

 

 

 

 

 

 

13 and 14. Resistance should be:

 

 

 

 

 

 

 

 

 

 

 

 

 

Approx 552 ohms @ 60ºF (16ºC)

 

 

 

 

 

 

 

 

 

 

 

 

 

Approx 655 ohms @ 100ºF (38ºC)

 

 

 

 

 

 

 

 

 

 

 

 

 

Approx 1000 ohms @ 212ºF (100ºC)

 

 

 

 

 

 

 

 

 

 

 

 

 

Check resistance between each pin and

 

 

 

 

 

 

 

 

 

 

 

 

ground. Resistance on BOTH should be

 

 

 

 

 

 

CHECKING THE

 

 

 

2 mega-Ohms or greater.

 

 

 

 

 

SOLID-STATE RELAYS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AND ELEMENTS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(24VAC Power Supply

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

verified to be OK..)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Are BOTH readings

 

 

 

 

Probe is open or is

 

 

 

 

 

 

 

 

 

 

No

 

 

 

 

 

 

 

 

 

 

 

within specification?

 

shorted. Replace.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Place the master ON/

 

 

 

 

Yes

 

 

 

 

 

 

 

 

OFF switch in OFF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

position then back in

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

the ON position.

 

 

 

 

Probe is OK.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CHECKING THE

With the computer

 

 

 

COMPUTER

 

 

 

(24VAC Power Supply

calling for heat, is voltage across

 

 

 

verified to be OK.)

the input terminals of the relay zero

 

 

 

 

with line voltage across the output terminals?

 

Relay has failed.

 

 

AND

No

 

Yes

Replace.

 

With the computer NOT calling for heat, is

 

 

 

voltage across the input terminals of

 

 

 

 

the relay 5-10VDC with no

 

 

 

 

voltage across the

 

 

 

 

output terminals?

 

 

 

Is 27-33VDC

 

 

Computer is OK.

No

present at Pin 4 of the 15-

 

 

pin plug when computer is

 

 

 

 

 

 

 

 

calling for heat?

Yes

 

 

 

 

Solid-state relays are OK.

 

 

 

Yes

Ohm out elements (Pins 1 & 6,

 

 

 

 

 

 

 

2 & 5, 3 & 4). If resistance

 

 

 

 

is NOT 15 ±3 Ohms, the element

 

 

 

Computer has

has failed. Replace.

 

 

 

 

 

 

failed. Replace.

 

 

 

 

6-16

Page 47 Page 49
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Page 47 Page 49
Contents Hour Service Hotline Page Preventive Maintenance ESW/EWBS Service Procedures & Parts Page This page Intentionally Left Blank Parts Ordering and Service Information Safety InformationEquipment Description Qualified Installation Personnel Qualified Service PersonnelQualified AND/OR Authorized Operating Personnel What to do if your equipment arrives damaged General Installation Requirements National Code RequirementsElectrical Grounding Requirements FCC ComplianceCaster/Leg Installation Pre-Connection PreparationsConnecting to the Electrical Supply Use copper wire ONLY, suitable for at least 170ºF 75ºCWatts Per leg Wire Size Electric Cooker Models 17EC, 17ECS, ESW, & EwbsField Connection Wiring Diagrams Introduction Computers are not interchangeableSetting the Controller Transition Temperature/Boil Intensity Operating InstructionsAltitude Boiling Point Controller Simmer Mode Adjustment Toggling Between Fahrenheit and Celsius Temperature DisplayStart-Up Procedure Shutting the 17EC/17ECS DownComputer Magic III Controller As Used on Ewbs Units Setting the Unit UP for FIRST-TIME Operation Operating the Computer Selecting FAHRENHEIT- Celsius Display Mode Selecting Boil or Simmer Mode Shutting the Ewbs with CM III Computer DownBoiling Out the Cookpot Page This page Intentionally Left Blank Daily Preventive Maintenance Inspect Equipment and Accessories for DamageThis page Intentionally Left Blank Before calling a servicer or the Frymaster Hotline Operator Troubleshooting Guide Problem Probable Causes Corrective ActionTroubleshooting Guide Replacing Fuses in 17EC and 17ECS Models Functional Description Replacing Equipment Components Replacing the Computer Replacing Electronic Components Other than the ComputerReplacing a Heating Element Replacing the High-Limit Thermostat Replacing the Temperature Probe Replacing a Water-Level SensorReplacing the Pressure Regulator or Solenoid Valve Replacing a Basket Lift Motor or Microswitch Replacing the Water FaucetReverse Steps 1-7 to complete the procedure Replacing the Cookpot or Rinse Tank Troubleshooting How the Power-Supply System WorksHow the Computer Works How the Autofill/AutoSkim System Works How the Water Heating System WorksHow the Basket Lift System Works Technician Troubleshooting Guides Troubleshooting the 24VAC Power Supply SystemTroubleshooting the 24VAC Power Supply to the Computer Troubleshooting the Autofill System Begin to fill?Troubleshooting the Water Heating System Probe ThermostatTroubleshooting the Basket Lift System OK?This page Intentionally Left Blank Parts List ComponentComponents Component Cabinetry Component Cookpot Rinse TankComponent Electronics Component Water Supply System Components Wiring Diagram 17ECS Computer ControlWiring Diagrams 17EMCS Page This page Intentionally Left Blank Units with Manual Controls rocker-switches and a thermostat Units with Computer Controls Replacing Equipment Components Replacing the Computer Replacing the Heating Element Hole Lead Replacing a Water-Level Sensor Attach wire15C here Attach wires 20C and 35C here Typical Water Supply System Configurations Reverse Steps 1-4 to complete the procedure Replacing the Cookpot On units with manual thermostat controlsRemove these screws Troubleshooting How the Autofill and Skim Systems Work How the Basket Lift System Works Position. Replace switch as required Controls? Checking HIGH-LIMIT Thermostat Temperature Probe Line voltage present at the Common Replace Cover Lift Component Disproportionately large for clarity 910-7377 Control Components Cookpot and Drain Components Electronics Component Supply Component Wiring Diagrams Remove this Cover to Inspect Field WiringUnits With ComputersService Hotline

17EC, 17ECS, EWBS, ESW specifications

Frymaster, a leader in the foodservice equipment industry, offers a range of fryers designed to enhance productivity and quality in commercial kitchens. Among these, the Frymaster ESW, EWBS, 17ECS, and 17EC models stand out due to their innovative features, advanced technologies, and user-friendly designs.

The Frymaster ESW fryer is engineered for high-efficiency frying while maintaining excellent food quality. It incorporates a built-in oil filtration system, allowing operators to extend the life of oil, reduce frying costs, and ensure consistent product quality. The ESW is designed with energy efficiency in mind, which not only minimizes operational costs but also helps restaurants reduce their environmental footprint. Its programmable controls enable seamless operation, and the easy-to-read display assists staff in monitoring frying times, temperatures, and oil conditions.

The EWBS model is equipped with a robust design that focuses on convenience and reliability. One of its key features is its large fry pot, which enables high-capacity frying, reducing cooking time and increasing output during peak hours. The EWBS fryer also maximizes versatility, allowing operators to prepare a wide variety of menu items. It features adjustable frying baskets, which are designed to accommodate foods of different sizes. Additionally, the model includes energy-efficient burners that result in quicker recovery times and lower gas consumption.

The 17ECS and 17EC models are designed for compact spaces without sacrificing performance. Featuring digital controls and simplified interfaces, they provide operators with precise temperature management. The 17ECS is known for its superior oil management system, which enhances oil life and maintains food quality. The 17EC, on the other hand, offers a variety of programmable cooking options, making it ideal for establishment with diverse culinary needs.

Both the 17ECS and 17EC also emphasize safety, incorporating features such as automatic shutoff and cool-touch handles, which help prevent burns and accidents in fast-paced kitchen environments. These fryers are built with durable materials that ensure longevity, making them a worthy investment for any restaurant or foodservice operation.

Together, the Frymaster ESW, EWBS, 17ECS, and 17EC models represent a commitment to innovation in commercial frying technology, combining energy efficiency, user-friendly interfaces, and versatile cooking capabilities that cater to the needs of modern kitchens. As restaurants continue to evolve, these fryers provide the reliability and performance necessary to meet demand and maintain high-quality standards.
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