E18
Westinghouse
Display / VFD Power Fault
Microwave shows E18 and the display is dim, flickering, or partially blank.
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Safety Warning
This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.
If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.
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Possible Causes
Failing VFD (vacuum fluorescent display),Weak display power supply on control board,Loose display connector,Defective control board
How to Fix / Troubleshooting
Safety first: Unplug the microwave before accessing the control panel.
User-level checks:
- 1. Power reset: Unplug for several minutes and plug back in to see if the display stabilizes.
- 2. Check brightness settings: Some models allow dimming; ensure brightness is set to maximum.
Advanced steps:
- 3. Remove control panel: Access the display and main PCB.
- 4. Inspect connectors: Reseat the display connector and inspect for corrosion or loose pins.
- 5. Replace control board or display module: If the VFD itself is dim or segments are missing, replace the display or entire control board assembly as supplied by Westinghouse.
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Repair Difficulty
Medium
3/5
Required Part
Display / Control Board Assembly
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