Tepro No Mains Power to Control System

Pellet grill will not power on at all, no lights or display

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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 on control board, Faulty power switch, Damaged power cord, Loose neutral or live connection at terminal block

How to Fix / Troubleshooting

Safety first: Unplug the grill before opening any electrical compartments. If you are not comfortable working with mains voltage, contact a qualified technician.

  • 1. Verify outlet and breaker: Test the wall outlet with another appliance. Check the household breaker or RCD/GFCI and reset if tripped.
  • 2. Inspect power cord: Look for cuts, crushed sections, or burn marks. Replace the cord if any damage is found.
  • 3. Check power switch: Access the rear of the power switch. With the grill unplugged, ensure the spade connectors are tight. With a multimeter, verify continuity through the switch when turned ON.
  • 4. Internal fuse: Many Tepro boards have a small glass or blade fuse. Locate it on the control board, remove, and inspect. Replace only with the same type and rating.
  • 5. Terminal block connections: Tighten any screw terminals where the mains cord connects to the grill wiring. Loose connections can prevent power and cause overheating.
  • 6. If still dead: If all external components are good, the control board’s power supply is likely failed and the board should be replaced.
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Repair Difficulty

Hard 4/5

Required Part

Main Control Board
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