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Quasar Microwave display not working

When your Quasar microwave display is not working, first press each control-panel button. If the buttons are also 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 a blank microwave screen or a microwave clock display that is dark. If only some segments are missing, the display board is more commonly at fault. A completely dead display can result from either the display board or the main control board, while a control board with power but no display may need to be replaced. Before ordering parts, confirm the microwave is plugged in and test the wall receptacle with another small appliance, then check the circuit breaker. These checks address a microwave display not working, microwave screen not working, or microwave not working with no display. Enter your Quasar 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. Proper capacitor discharge is required before interior work, so use a qualified technician if you are unfamiliar with the procedure.

01 - Quasar 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 - Quasar 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 - Quasar 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 - Quasar 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 - Quasar 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 Quasar microwave display not working but the microwave has power?
Why does my Quasar microwave display have missing segments or only part of the display works?
Can a Quasar microwave touchpad or control panel cause the display to stop working?
How do I find the correct Quasar microwave display board or control module?
Is it safe to repair a Quasar microwave with a blank display?