My friend just purchased a used boat which included a Phoenix 24/5000 inverter. No output from the inverter. All 4 lights are on solid as soon as you turn it on. No output on the 240v side. No communication with an MK3 and laptop. Anyone seen this before?
What is the state of the battery connected to it? What is the voltage, age. etc. It could be turned off due to high DC ripple due to poor connections or a deeply discharged battery even.