THERMODYNE 742HW-CT Installation & Operation Manual Download Page 12

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TROUBLESHOOTING

Most problems associated with the holding cabinet are due to low water level.  
Always check water level first.

PROBLEM

POSSIBLE CAUSE

SOLUTION

No Power 
 
 

1. Main power switch off.
2. Not plugged in.
3. Breaker off or tripped.
4. Bad contactor.

1. Turn switch on.
2. Check plug.
3. Check breaker.
4. Replace contactor.

LOW FLUID light is on – 
Oven heating properly

1. Oven is low on water.

1. Add water per instructions.

LOW FLUID light is on – 
Oven not heating properly 
 
 

1. Oven disabled due to low water 

level cut out. 

2. Water level probe defective.
3. System leak.

1. Main heater tanks low on water. Add 

water and determine cause of water 
loss.

2. Repair or replace.*
3. Repair leak.*

Heater(s) not working 
 
 
 
 
 
 
 

1. Unit not properly wired.
2. Bad heater(s).
3. Contactor or solid state relays 

not working.

4. Off due to low water cutout. 

5. Failed temperature controller.
6. High limit snap disc tripped.

1. Check wiring.*
2. Replace heater(s).*
3. Repair or replace.* 

4. Add water per instructions.
5. Replace temperature controller.*
6. Reset snap disc and check for cause.*

Oven heats up too slow

1. Heater(s) not working.

1. See “Heater(s) not working”.

*Recommended service to be done by a qualified service agency.

Summary of Contents for 742HW-CT

Page 1: ...additional information on Thermodyne Foodservice Products Inc or to locate an authorized parts and service provider in your area visit our website at www tdyne com Please visit our website to Registe...

Page 2: ...connecting the unit to the electrical supply verify that the electrical connection agrees with the specifications on the data plate Failure to comply with this procedure can cause property damage inju...

Page 3: ...property damage injury or death Do not use or store gasoline or other flammable vapors or liquids in the vicinity of this or any other appliance Failure to comply can cause property damage injury or d...

Page 4: ...PECIFICATIONS 7 OPERATION 8 STARTUP 8 Temperature Controller Set Up Procedures 8 Keypad Operation 8 Set Up 9 To Toggle Between F and C Readout 9 Preheating 9 CLEANING AND MAINTENANCE 10 Electrical LOC...

Page 5: ...produced with quality workmanship and materials Proper installation operation and maintenance will result in many years of satisfactory performance It is suggested that you thoroughly read this manua...

Page 6: ...he product is damaged 1 Save all packing material 2 Contact Thermodyne Customer Service Representatives immediately 3 Receiver must call the carrier to schedule aninspectionofthedamagedmerchandise wit...

Page 7: ...ctrical cord and plug are located at the right rear of the unit The minimum clearance for proper air circulation on back should be 4 and 2 on at least one side Allow adequate access space for operatin...

Page 8: ...messagesindicatingcommunication and auto tuning errors 5 Re set the dwell timer function 6 Enter the manual control menu if the sensor has failed STARTUP The oven cabinet and hot wells are hot Use car...

Page 9: ...level in the Heater or Reservoir Tanks To Toggle Between F and C Readout 1 Press the Scroll key 2 3 times until the upper display reads unit 2 Press the Up or Down key to choose Preheating Preheat th...

Page 10: ...ly to ensure the long life of the equipment Routine cleaning will also lessen stainless steel abrasion STAINLESS STEEL CARE Cleaning Stainless steel contains 70 80 iron which will rust if not properly...

Page 11: ...emove heat tint follow the routine cleaning procedure Stubborn heat tint will require heavy duty cleaning Toreduceheattint limittheexposureofequipment to excessive heat DRAINING WATER FROM HOT WELLS 1...

Page 12: ...due to low water level cut out 2 Water level probe defective 3 System leak 1 Main heater tanks low on water Add water and determine cause of water loss 2 Repair or replace 3 Repair leak Heater s not...

Page 13: ...RD TERMINALS 120 208 240 VOLT SUPPLY 2100W HEATER 2100W HEATER 2100W HEATER SURFACE HEATERS WELL 80 TO 260 VOLTS IN TEMPCO B41 1 2 1 2 1 2 1 2 1 2 3 3 2 1 3 2 1 TE1 TE2 TE3 TE4 TE5 TE7 TE6 TC TC POWER...

Page 14: ...Inc is limited specifically to the aforementioned No additional guarantees or warranty expressed or implied to include without limitation warranties of Fitness or Merchantability with respect toThermo...

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