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Tappan Microwave display not working

If your Tappan microwave display is not working, start by checking whether the control panel buttons respond. If none respond correctly, 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 screen or clock display that does not work. If the display is missing only some segments, the display board is more commonly at fault. A microwave screen that is completely blank may have a failed main control board or display board, while a defective control board can also prevent the digital display from working even when it has power. Before replacing parts, confirm the microwave is plugged in, test the wall receptacle with another appliance, and check for a tripped circuit breaker. Enter your model number to find the exact replacement control module, touchpad, main control board, display board, or control board for your Tappan microwave. Any repair that requires opening the outer cabinet must be handled carefully because the high-voltage capacitor can store a lethal charge after the microwave is unplugged. It must be properly discharged before interior work, and this repair may require a qualified technician if you are unfamiliar with capacitor discharge procedures.

01 - Tappan 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 - Tappan 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 - Tappan 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 - Tappan 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 - Tappan 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 Tappan microwave display not working even though it has power?
Can a bad touchpad cause my Tappan microwave screen to stop working?
What should I check if my Tappan microwave screen is completely blank?
How do I find the correct Tappan microwave display board or control module?
Is it safe to replace a Tappan microwave control board when the display is not working?

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