Southbend SEZ/3 manual Contactor and MOV Check

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TROUBLESHOOTING

TROUBLESHOOTING	SEZ SERIES COUNTERTOP STEAMERS
Figure 11
Contactor and MOV Check
Actuator
C	F
B	E
A	D
	MOV
TOP VIEW	LEFT SIDE VIEW

1.DISCONNECT POWER AT CIRCUIT BREAKER.

2.Remove control panel and disconnect twelve-pin plug PL1.

3.Depress actuator on top of contactor. Actuator should travel freely and spring back when released.

4.Check for continuity between contacts A and D as shown in top view. There should be no continuity.

5.Repeat Step 4 for contacts B and E and for contacts C and F.

6.Remove wire C16 from contactor coil.

7.Place test leads on contactor coil terminal as shown in left side view.

8.Check resistance.

9.If resistance is not in the range 350 to 425 ohms, remove MOV and recheck coil resistance. If resistance is now in the range 350 to 425 ohms, replace MOV, otherwise replace contactor.

10.Reconnect all wires.

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OPERATOR’S MANUAL 1183437

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Contents Super Simple Steam SEZ Series Countertop Steamers For Models SEZ/3 & SEZ/5 Built After February 15Safety Precautions Table of Contents Specifications DimensionsConstruction Specifications Electrical RequirementsWater Requirements Drain RequirementsInstallation UnpackingInstallation Bottom View Electrical Connection Water Connection Drain Connection Operation StartupOperation ShutdownCooking Tips Cooking HintsSuggested Cooking Times Cooking Hints SEZ Series Countertop Steamers Daily Cleaning CleaningPeriodic Cleaning Semiannual Cleaning Troubleshooting KEY TroubleshootingTroubleshooting Figures and Procedures Disconnect Power AT Circuit Breaker Unit Not Heating Up, on Light Not LitTroubleshooting Excessive Steam Coming from Pressure Relief Vent Service Request Light Comes On During Operation OK?Buzzer Does Not Come On Disconnect Power AT Circuit Breaker Voltage Check at Control Panel Fuse BlockDo not Remove Heating Element Lead Wires for this Test Heating Element Resistance Check at ContactorMain 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 Index of Parts Diagrams PartsCavity 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