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Sharp Microwave display not working

If your Sharp microwave display is not working, start by checking whether the control panel buttons respond. When the microwave screen is blank, the clock display is dark, or the keypad is unresponsive, the control module is the most likely cause and may need replacement. On models without a separate display board, a defective touchpad and control panel can cause the microwave display not working symptom. If only some numbers or segments are missing, the display board is more commonly at fault. A display that is completely out may be caused by either the display board or the main control board. Next, confirm the microwave is plugged in and test the wall receptacle with another small appliance. If there is no power, check the circuit breaker. A control board can also fail when it has power but does not operate the digital display. Enter your Sharp microwave model number to find the exact replacement control module, touchpad, main control board, or display board for your appliance. Any repair that requires opening the outer cabinet must be handled carefully because the high-voltage capacitor can store a lethal charge even after the microwave is unplugged. Properly discharge it before interior work, or hire a qualified technician if you are not familiar with the procedure.

01 - Sharp Microwave Control Module

A malfunctioning display could be caused by a defective control module. Try pressing each of the buttons on the control panel. If none of the buttons are responding correctly, it is likely the control module is defective and will need to be replaced.
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02 - Sharp Microwave Touchpad and Control Panel

If the microwave does not have a separate display board, then the display not working is likely caused by a defective touchpad and control panel.
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03 - Sharp Microwave Main Control Board

If the display goes out partially, the display board is more commonly at fault. If the display isn’t working at all, either the main control board or the display board could be at fault.
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04 - Sharp Microwave Display Board

If the display isn’t working at all, either the main control board or the display board could be at fault. If the display goes out partially, the display board is more commonly at fault.
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05 - Incoming Power Problem

Confirm the microwave is plugged in and there is power at the wall receptacle. You can plug another small appliance into the receptacle to confirm there is power. If there is no power, confirm the circuit breaker has not tripped.
Highly Likely

06 - Sharp Microwave Control Board

Since the control board is a part of the digital display, a defective board could be responsible for a microwave display not working, if the control board has power to it but the display is not working replace the control board.
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Common

07 - Power reset

A microwave display not working may be due to a power outage or power surge. Full operation can sometimes be restored through a power reset by either unplugging the unit's power cord for a few minutes and then plugging it back in or switching off the circuit breaker for the microwave then switching it back on.
Common

Frequently Asked Questions

Why is my Sharp microwave display not working even though it has power?
What should I check if my Sharp microwave screen is blank but the buttons still work?
Why does my Sharp microwave display have missing segments or only part of the display works?
Can a bad Sharp microwave touchpad cause the display and buttons to stop working?
How do I find the correct Sharp microwave display board or control module?