Error codes are generally proprietary information that each manufacturer designates to each of their models. Many different models = many different codes!
Now let me try and explain the difference of liability from cars to elevators. The person who owns the car usually is the operator of the car. The people who use elevators expect the owner to maintain their safety while using thier elevator. If you are resetting the system, then you are not maintaining it safely. If someone is injured using your elevator, and you have a history of just resetting the elevator system, you are negligent and liable...
