Interior lights work, nothing else. No lights a freezer door control panel. This may be related to a utility power failure. Awaiting delivery of mother board - delayed by winter storm. Is there any circuit breaker, relay, fuse or whatever in the unit that might be responsible.

Standby generator has somewhat similar problem, auto starts but transfer switch not operating. Service is running 2 months late, but suggested replacing two 5A Buss fuses that are often damaged by a power surge.