E-55
Samsung Heater Relay Feedback Error

Oven displays E-55 and may not heat or may overheat.

Advertisements

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.

Advertisements

Possible Causes

Faulty relay feedback circuit on PCB, Miswired heater feedback line, Shorted element causing abnormal feedback, PCB logic failure

How to Fix / Troubleshooting

Safety first: Turn off power at the breaker.

  • Visual inspection:
    • Inspect heating elements and wiring for burns or shorts to chassis.
  • Check PCB:
    • Look for damage around the heater feedback circuitry on the main board.
  • Replace suspect parts:
    • If elements and wiring are good, replace the main relay control board.
  • Because this involves safety-critical heater control, consider professional diagnosis and repair.
Advertisements

Repair Difficulty

Professional Required 5/5

Required Part

Main Relay Control Board
Check Price on Amazon

We may earn a commission from links on this page.

Advertisements