Sharp Convection / Grill Heater Failure

Microwave convection or grill mode does not heat, but standard microwave mode works (on combination models).

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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

Open grill element, Open convection heater, Failed convection thermostat, Faulty relay on control board for heater circuit

How to Fix / Troubleshooting

Safety: Unplug the unit and allow heaters to cool completely before inspection.

Steps:

  • 1. Visual inspection: Look at the grill element and convection heater cover for breaks or burn marks.
  • 2. Test modes: Try both grill and convection separately to see which function fails.

Advanced: A technician can test heater elements and thermostats for continuity and replace any open components with Sharp-approved parts. If heaters are good, the control board relay may be faulty.

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Repair Difficulty

Hard 4/5

Required Part

Grill Heater Element
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