The MEMC301 is the Masterpiece Collection equivalent of the Professional PODM301: a legacy 30-inch combination oven pairing convection heating with a built-in microwave section, on the same documented 50A circuit (208V/240V, 4-wire, single-phase) per Thermador’s installation manual.
Because combination units run two independent heating systems, a no-heat complaint should be traced to the correct one before ordering parts – microwave-specific signs (arcing, a dead turntable, no heat with the door properly closed) point to the magnetron and high-voltage circuit, while browning or baking failures point to the convection elements and fan instead.
Key Features
- 30-inch Masterpiece combination built-in oven with microwave
- Dual-rated for 208V or 240V AC, 4-wire single-phase supply
- Documented circuit requirement: 50A
- Same electrical platform as the Professional PODM301 of the same generation
Most Common Issues on This Model
Microwave section failure (magnetron, high-voltage diode, turntable motor)
Breaker undersized for the documented 50A requirement
Convection cavity element or fan failure, independent of the microwave section
Door seal/hinge wear
Wiring corrosion at the junction box

