MasterPro No Power / Dead Appliance

Multicooker does not power on at all; no lights or display when plugged in.

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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

Blown internal fuse, Faulty power cord, Failed main control board power supply, Loose AC inlet connector

How to Fix / Troubleshooting

Safety first: Unplug the cooker before any disassembly. Mains voltage can be lethal.

External checks:

  • Verify the wall outlet with another appliance.
  • Check that the power cord is fully inserted into the cooker (if detachable) and the outlet.
  • Inspect the cord for visible damage; replace if cut or burned.

Internal checks (qualified DIYers):

  • Remove the bottom or rear cover to access the AC input and internal fuse.
  • Test the fuse with a multimeter; replace only with the same type and rating if blown.
  • Check that the AC wires are firmly connected to the main control board.

Resolution: If the fuse is intact and there is still no power, the main control board's power supply is likely defective and the board should be replaced by a professional.

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Repair Difficulty

Hard 4/5

Required Part

Power Cord / Internal Fuse / Main Control Board
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