To Next PageTo Next PageWhat to do if my Sharp R-230HW Microwave Oven produces little or no heat?
If your Sharp Microwave Oven appears to be running, but the food is not cooking or is only partially cooked, you should check or replace the power transformer.
What to do if my Sharp R-230HW isn't defrosting food properly?
If your Sharp Microwave Oven goes into DEFROST mode but the food is not defrosting well, you should check or replace the control unit or relay.
Why is my Sharp R-230HW heating food unevenly?
If your Sharp Microwave Oven is cooking food unevenly, you should check or replace the magnetron.
What to do if my Sharp R-230HW Microwave Oven doesn't start when I press the START button?
If your Sharp Microwave Oven does not start when you press the START button, you should check or replace the control unit or relay.
How to fix the oven lamp in my Sharp R-230HW?
If the oven lamp in your Sharp Microwave Oven is not working, but all other components are functioning, you should check or replace the oven lamp or socket.
Why is the turntable in my Sharp R-230HW Microwave Oven not spinning?
If the turntable motor in your Sharp Microwave Oven is not working, but all other components are functioning, you should check or replace the turntable motor.
How to troubleshoot a Sharp Microwave Oven when the fan motor is not working?
If the fan motor in your Sharp Microwave Oven is not working, but all other components are functioning, you should check or replace the fan motor.
Why does my Sharp Microwave Oven not cook properly at 50% power?
If your Sharp Microwave Oven does not cook properly when programmed for Cooking 50% mode, but operates correctly at 100% power, you should check or replace the power transformer.
Why aren't the lamp, turntable, and fan working in my Sharp R-230HW Microwave Oven?
If the oven lamp, turntable motor, and fan motor in your Sharp Microwave Oven are not working, you should check or replace the power supply.
What should I do if the fuse blows when I open the Sharp R-230HW door?
If the C/T fuse blows when you open the door of your Sharp Microwave Oven, you should check or replace the primary interlock system.
General| Brand | Sharp |
|---|---|
| Model | R-230HW |
| Category | Microwave Oven |
| Language | English |
Steps to take before servicing the oven, including disconnecting power and discharging capacitors.
Procedure for performing the closed-door microwave leakage test.
Essential conditions and checks before operating or servicing the oven.
Identifies high-voltage parts that pose a severe shock hazard during servicing.
Specific checks and replacements required when the C/T fuse blows.
General safety precautions and procedures for performing troubleshooting.
Procedure for testing the magnetron assembly for proper operation.
Procedure for measuring microwave power output using a water temperature rise test.
Procedure for testing the power transformer resistance and continuity.
Procedure for testing the high voltage rectifier assembly.
Tests for door sensing switch and primary interlock relay operation.
Procedure to test for a blown C/T fuse and related safety switches.
Procedure for testing the high voltage capacitor for shorts or opens.
Procedure for testing the touch control panel assembly.
Precautions for handling CMOS LSI and preventing static damage.
Procedures and precautions for servicing the touch control panel.
Critical warnings about high voltage hazards during component replacement.
Precautions to avoid microwave energy exposure before operating the oven.
Essential precautions to prevent electric shock when working with wiring.
Procedure for removing the magnetron from the oven.
