Samsung NQ70M6650 Repair & Common Issues

The NQ70M6650 is Samsung’s 30-inch microwave combination wall oven; its page reads 30″ smart microwave combination wall oven with steam cook. The upper cavity of the NQ70M6650 is a microwave with its own magnetron, high-voltage circuit and door switches, sharing a cabinet and a control with the oven below but not a heating system, so the oven half usually stays usable while the microwave half waits for a part.

On the NQ70M6650 a door that stays locked after self-clean is given time to cool fully before anything is done, since the lock is meant to hold while the cavity is hot; if it remains locked once cool, the lock motor and its switch are tested rather than the door being forced.

Key Features

30-inch microwave combination wall oven
Steam Cook with a water reservoir in the door frame
SmartThings Wi-Fi connection with remote preheat

Most Common Issues on This Model

01

C-F0 communication code between boards

02

Convection fan scraping or silent

03

Display unresponsive after a power cut

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FAQ

Samsung NQ70M6650 FAQ

Wait until the NQ70M6650 is fully cool - the lock is designed to hold while the cavity is hot. Once the NQ70M6650 is cool and still locked, switching its breaker off for a few minutes and back on lets the control re-check the lock on many models. If the NQ70M6650 remains locked after that, leave the door alone rather than prying it and have the lock motor and its switch tested.

Yes. Samsung publishes one article for ranges and wall ovens, and the C-numbered codes on it - C-10 temperature sensor, C-24 abnormal temperature rise, C-F0 communication between boards - apply to the NQ70M6650 as well. What does not carry over to the NQ70M6650 is a C- code on a Samsung microwave, which uses the same numbering for different problems.