NIBE · F750 Heat Pump
The internal miniature circuit-breaker (FA1) has tripped, which protects components like the fan and circulation pumps. This can happen due to an electrical overload or a fault within the heat pump. It may also have tripped during transportation.
Click steps to track your progress.
Cut the main current to the heat pump at the circuit breaker for safety.
Locate the miniature circuit-breaker (FA1) inside the heat pump (consult diagram if unsure).
Reset the circuit-breaker by flipping its switch to the 'ON' position.
Restore power to the heat pump at the main circuit breaker.
If the breaker trips again immediately, contact a qualified electrician for further diagnosis.