Teka
Control Board Power Stability Issue
Microwave clock loses time or resets randomly without a full power outage.
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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
Fluctuating low-voltage supply on PCB,Loose mains connection,Defective backup capacitor on control board,Electrical noise on supply line
How to Fix / Troubleshooting
User checks:
- Ensure the plug fits tightly in the outlet and that the outlet is not loose.
- Avoid using long extension cords or multi-plug adapters.
- Monitor if resets coincide with other heavy appliances switching on.
Technician checks:
- Inspect mains terminals and internal wiring for looseness.
- Check the low-voltage power supply and smoothing capacitors on the PCB.
- Replace the main control PCB if it cannot maintain stable clock power.
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Repair Difficulty
Medium
3/5
Required Part
Main Control PCB
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