Southbend SEZ/3 manual Heating Element Resistance Check at Contactor

Page 25

SEZ SERIES COUNTERTOP STEAMERS

TROUBLESHOOTING

Figure 8

Heating Element Resistance Check (at Contactor)

C

B

A

Contactor (top view)

1.DISCONNECT POWER AT CIRCUIT BREAKER.

2.Remove control panel.

3.DO NOT REMOVE HEATING ELEMENT LEAD WIRES FOR THIS TEST.

4.Place test leads between terminals A and C on left side of contactor.

5.Check the resistance and compare to the allowable range in the following table:

 

 

 

 

 

Model SEZ/3

 

 

Model SEZ/5

 

 

 

 

Voltage

 

 

Allowable Resistance (Ohms)

Allowable Resistance (Ohms)

 

 

 

 

 

Three-Phase

 

Single-Phase

Three-Phase

 

Single-Phase

 

 

 

 

 

 

 

 

 

 

 

 

 

A-B or B-C

A-C

A-C

A-B or B-C

A-C

A-C

 

 

 

208

 

10

to 12

14

to 16

5 to 6

8 to 10

11

to 13

4 to 5

 

 

 

220

 

12

to 13

15

to 18

6 to 7

9 to 11

13

to 15

5 to 6

 

 

 

240

 

14

to 16

18

to 21

7 to 9

11 to 13

15

to 17

6 to 7

 

 

 

480

 

55

to 64

73

to 85

29 to 34

45 to 52

60

to 70

24 to 28

 

 

6. For three-phase units, check resistance between terminals A and B and between terminals B and

C similarly.

 

 

 

 

 

 

 

 

 

 

TROUBLESHOOTING

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OPERATORS MANUAL 1183437

PAGE 25

Image 25
Contents For Models SEZ/3 & SEZ/5 Built After February 15 Super Simple Steam SEZ Series Countertop SteamersSafety Precautions Table of Contents Dimensions SpecificationsElectrical Requirements Construction SpecificationsWater Requirements Drain RequirementsUnpacking InstallationInstallation Bottom View Electrical Connection Water Connection Drain Connection Startup OperationOperation ShutdownCooking 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 OK? 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 Water Solenoid 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 Door Assembly Parts Water Inlet and Drain Parts See parts list on previous Float Tank Parts See parts list on previous 1514 SEZ Series Countertop Steamers SEZ Series Countertop Steamers Super Simple Steam SEZ Series Countertop Steamers