
Microwave Technologies Quiz
5. When the microwave recipe calls for a "let stand" time, what is this
allowing for?
a. The microwave to escape from the food.
b. Allows the food to cool before eating.
c. Allows the cooking container to cool before handling.
d. Allows the food to finish cooking.
6. When can metal be used inside a microwave oven?
a. When you want the food not to over cook.
b. When you want to generate more heat.
c. When you want to protect your oven from cooking splatters.
d. Never use metal in a microwave oven.
Summary of Contents for R-21HT - Commercial Microwave Oven
Page 1: ...Sharp Electronics Corporation Servicing Commercial Microwave Ovens R21JC 21HT R22GTF R22JT ...
Page 9: ...R 21JCA Control Panel 1000 Watts ...
Page 13: ...R 21JCA Schematic ...
Page 16: ...Danger ...
Page 17: ...Electrocution ...
Page 18: ...R 21JCA Single Magnetron ...
Page 19: ...High Voltage Doubler Operation ...
Page 20: ...High Voltage Doubler Operation Doubler charging Doubler Discharging Voltage Adding ...
Page 22: ...Interior of Magnetron ...
Page 24: ...R 21JCA Schematic ...
Page 25: ...R 22JT Schematic 1200 Watts ...
Page 34: ...Rear View Upper Magnetron 1 White connector Lower Magnetron 2 Blue connector Rear View ...
Page 36: ...No Case positive lock connectors ...
Page 39: ...Control Panel Removal Remove 2 screws Slide control panel down to release ...
Page 41: ...Control Panel Disassembly Key Unit Control Unit Front View Rear View Remove 5 screws ...
Page 43: ...Control Panel Disassembly Control Unit Control Panel Frame with Key Unit ...
Page 45: ...Door Removal Open door and carefully pull door straight out Door removed from unit ...
Page 47: ...Door Disassembly ...
Page 48: ...Lower Stirrer Motor Access Snip off Bend sharp edges with pliers Replace cover with screw ...
Page 49: ...R25JT Schematic 2100 Watts Voltage Switches ...
Page 51: ...How to set Voltage Switches ...
Page 63: ...Troubleshooting the Noise Filter N L Disconnect wires from noise filter before proceeding ...
Page 64: ...Troubleshooting the Noise Filter N W ...
Page 65: ...Troubleshooting the Noise Filter L R ...
Page 68: ...Troubleshooting Control Panel Open Foil Pattern Visually inspect varistor and check for burns ...
Page 77: ...R 21JCA Control Panel J 1 RY 2 Power transformer RY 1 Oven lamp stir motor fan motor ...
Page 80: ...R22JTF Error code reference ...
Page 81: ...R22JTF Error code ...
Page 82: ...R25JTF Error codes ...
Page 103: ......
Page 104: ......
Page 108: ...Microwave Output Power Test ...
Page 109: ...Sharp Electronics Corporation This concludes our commercial microwave training ...