The answer to 'emergency electrical service not working' is that there are several common causes, including a tripped circuit breaker, faulty wiring, or a problem with the main electrical panel. Symptoms may include complete power loss, flickering lights, or outlets not working.
If your emergency electrical service is not working, first check the circuit breaker to see if it has tripped. If so, try resetting it. If the issue persists, it could be a more serious problem like a short circuit or faulty wiring. In this case, it's best to call a licensed electrician to diagnose and repair the issue. Attempting DIY electrical work can be dangerous if you're not trained, so it's generally recommended to have a professional handle emergency electrical problems.