SteamTek Service Manual
Contents
1. S STEAM TEK SERVICE MANUAL ALL ELECTRIC MODELS amp VOLTAGES TOUGH MACHINES FOR A DEMANDING WORLD STEAMTEK NET TABLE OF CONTENTS CONTROL SIDE TROUBLESHOOTING GUIDE even esbnrnssesess beses sees TROUBLESHOOTING CHAR rr CONTROL SIDE COMPONENTS End of Cook Cycle Buzzer Add Water Relay Control Relay 1 Control Relay 2 Low Water Buzzer Hold Thermostat Solid State Relay 1 Solid State Relay 2 Pressure Switch Thermometer Timer Add Water Lamp Heat Lamp Cook Lamp Hold Lamp On Off Switch Air Blow Terminal Master Fuse Off Valve Block Contact Block TROUBLESHOOTING GUIDE WARNING TO PREVENT ELECTRICAL SHOCK DISCONNECT AC INCOMING POWER BEFORE SERVICING NO USER SERVICEABLE PARTS INSIDE REFER SERVICING TO QUALIFIED SERVICE PERSONNEL ONLY SYMPTOM No Lights When the Toggle is ON Add Water Light On Unit Won t Heat Up 1 w Steam Out Exhaust 2 w o Steam Exhaust Heat Stays On 1 Light Stays On 2 Light Cycles OPERATING SUMMARY POSSIBLE CAUSE e Facility Main Breaker e Unit ran dry no water in chamber F1 F2 Fuse e H1 Limit OT 1 Master Contactor e Toggle Switch e Not enough water in chamber e Build Up Lime on chamber bottom e OT 2 OT 3 or Add Water Relay e PS 1 e SSR 1 SSR 2 e CR 2 not working in Cook Mode St2. eam Orifice is blocked e Normal when door open e PS 1 e SSR 1 SSR 2 e If door is leaking steam adjust first e SSR 1 SSR 2 When the timer is at the HOLD position heat is controlled by the HOLD Thermostat When the timer is at any other position heat is directly controlled by PS 1 pressure switch Note Both COOK and HOLD Mode heat outputs are directed through PS 1 It is normal for the Heat Indicator Light to cycle ON and OFF REFER TO WIRING DIAGRAM FOR ADDITIONAL INFORMATION TROUBLESHOOTING CHART No Power when turned ON Clicks when turned ON No noise when turned ON 5 Amp Fuse blown Contractor Relay 1 OverTemp 1 Heat run on condition Door Seal OK SSR and or Presure Switch ADD WATER Light illuminates with water in unit Is Chamber Bottom clean If Chamber Bottom is clean Add Water Relay Overtemp 3 or Overtemp 2
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