Southbend SEZ-3, SEZ-5 Unit Not Heating Up, on Light Not Lit, Disconnect Power AT Circuit Breaker

Page 19

SEZ SERIES COUNTERTOP STEAMERS

TROUBLESHOOTING

Unit Not Heating Up, “ON” Light Not Lit

Unit not heating up, “ON” light not lit.

Check that circuit breaker is ON and that proper voltage

is available at main fuse block.

DISCONNECT POWER AT CIRCUIT BREAKER.

Remove control panel without disconnecting plug.

Reconnect power.

Turn lever to “ON” position. Actuate door switch.

Check voltage between A and B on control panel fuse

block (see Figure 7 on page 24).

 

 

Does voltage

 

 

No

 

 

Yes

 

match serial plate

 

 

 

 

 

voltage?

 

 

 

 

 

 

DISCONNECT POWER AT CIRCUIT BREAKER.

Check resistance between contactor terminals

(see Figure 8 on page 25).

 

 

Is

 

 

 

 

measured resistance

 

 

No

 

consistent with the table

 

Yes

 

 

 

 

in Figure 8 on

 

 

 

 

 

 

Check voltage on side C and D on control panel

fuse block (see Figure 7 on page 24).

 

 

 

 

Does voltage

 

 

 

 

 

Yes

 

 

 

 

No

 

 

 

 

match serial plate

 

 

 

 

 

 

 

 

 

 

 

 

voltage?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

page 25)?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Replace elements

 

Check main fuses and

 

 

and main fuses

 

replace as needed

 

 

(see Figure 9 on page

 

(see Figure 9 on page

 

 

26).

 

26).

 

 

 

 

 

 

 

 

Check voltage across terminals 1 and 6 of terminal block (see Figure 7 on page 24).

Does voltage

No match serial plate voltage?

Check for short circuit in

power switch (see

Figure 10 on page 27),

contactor and MOV

(see Figure 11 on page

28), and buzzer (see Figure 12 on page 29). Replace as necessary.

Replace control panel

fuses.

Yes

Test power switch or adjust so

Replace “ON” light;

that it is actuated properly by

continue on next page.

cam on valve shaft. Replace

 

 

switch as necessary

 

(see Figure 10 on page 27).

 

TROUBLESHOOTING

OPERATORS MANUAL 1181587

PAGE 19

Image 19
Contents Super Simple Steam SEZ Series Countertop Steamers Safety Precautions Table of Contents Dimensions SpecificationsDrain Requirements Construction SpecificationsElectric Requirements Water RequirementsUnpacking InstallationInstallation Bottom View Electric Connection Water Connection Drain Connection Shutdown OperationStartup OperationCooking Tips Cooking HintsSuggested Cooking Times Cooking Hints SEZ Series Countertop Steamers Daily Cleaning CleaningPeriodic Cleaning Semiannual Cleaning Troubleshooting KEY TroubleshootingTroubleshooting Figures and Procedures Unit Not Heating Up, on Light Not Lit Disconnect Power AT Circuit BreakerTroubleshooting Excessive Steam Coming from Pressure Relief Vent Remove control panel, but leave plugged Service Request Light Comes On During OperationBuzzer Does Not Come On Voltage Check at Control Panel Fuse Block Disconnect Power AT Circuit BreakerHeating Element Resistance Check at Contactor Do not Remove Heating Element Lead Wires for this TestMain Fuse Replacement Power Switch Continuity Check Contactor and MOV Check Timer and Buzzer Check Door Switch Continuity Check Float Switch Continuity Check Controller Check Inlet Float Valve Check Pressure Switch Check High-Limit Thermostats Check Electric Schematic for 208, 220, and 240 Volt Model SEZ-3 Electric Schematic for 480 Volt Model SEZ-3 Electric Schematic for 208, 220, and 240 Volt Model SEZ-5 Electric Schematic for 480 Volt Model SEZ-5 Parts Index of Parts DiagramsCavity and Heater Parts Control Panel Parts Rear View See parts list on previous Control Panel Parts Front and Isometric Views Water Inlet and Drain Parts Door Assembly Parts Float Tank Parts Super Simple Steam SEZ Series Countertop Steamers

SEZ-3, SEZ-5 specifications

The Southbend SEZ-5 and SEZ-3 are prominent models from Southbend's line of commercial cooking equipment, renowned for their robust construction and high-performance capabilities. These ranges are designed to meet the demands of busy kitchens, such as those found in restaurants, hotels, and catering companies, providing chefs with reliable tools to prepare meals efficiently.

One of the main features of the SEZ-5 is its versatile cooking options. It typically includes a combination of open burners, griddles, and ovens, allowing chefs to execute a wide range of cooking techniques. The SEZ-3, while slightly smaller, offers similar functionality tailored for establishments with space constraints but still requiring high output. Both models are equipped with intuitive controls, enabling precise temperature adjustments to ensure optimal cooking conditions.

The construction of both the SEZ-5 and SEZ-3 is noteworthy. Made from high-quality stainless steel, these ranges are designed to withstand the rigors of a commercial kitchen while ensuring easy cleaning and maintenance. The robust build not only enhances durability but also provides excellent heat retention and distribution. This is crucial for achieving consistent cooking results.

In addition, Southbend has integrated advanced technologies into these models, such as electronic ignition for increased operational convenience and safety. The SEZ-5 and SEZ-3 also come with heavy-duty cast iron grates, which provide superior heat retention and support for heavy pots and pans. This ensures that chefs can cook with maximum efficiency and confidence, even during peak times.

Another defining characteristic is the inclusion of an easy-to-read, ergonomic control panel that simplifies the management of cooking parameters. The presence of built-in safety features, including flame failure devices, further enhances the overall functionality and safety of these ranges.

Moreover, the SEZ series is designed with flexibility in mind, offering options for configurations according to individual kitchen layouts. Whether you need a standard configuration or a customized solution, Southbend provides options to suit diverse cooking environments.

In summary, the Southbend SEZ-5 and SEZ-3 are exceptional choices for commercial kitchens, defined by their versatile cooking functions, robust construction, innovative technologies, and user-friendly design. Chefs who utilize these ranges can expect enhanced performance and reliability, ensuring that they meet the high demands of their culinary operations.