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parkertiffanySep 9, 2025
Why does the home fuse blow when I plug in my Sharp R-230HW?
- DDwayne LeeSep 10, 2025
If the home fuse blows when you plug in your Sharp Microwave Oven, you should check or replace the condition of the power cord.
To Next PageTo Next PageWhy does the home fuse blow when I plug in my Sharp R-230HW?
If the home fuse blows when you plug in your Sharp Microwave Oven, you should check or replace the condition of the power cord.
What to do if the display on my Sharp Microwave Oven doesn't work when pressing STOP/CLEAR?
If the display on your Sharp Microwave Oven does not operate properly when the STOP/CLEAR key is touched, you should check or replace the control unit or relay.
Why does the C/T fuse blow when I plug in my Sharp Microwave Oven?
If the C/T fuse blows when you plug in your Sharp Microwave Oven, you should check or replace the condition of the C/T fuse.
What to do if nothing appears on the display of my Sharp R-230HW Microwave Oven?
If no letters or indicators appear on the display of your Sharp Microwave Oven when the power cord is first plugged in, you should check or replace the control unit or relay.
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.
