12 V electrical system diagnos-cs
What is the problem?
Engine star3ng Domes3c power
If the engine is turning over but not star3ng try using the emergency link switch to bring the house baceries into the circuit.
Is the appliance switched on at the main switch board.
If there is no noise then the engine bacery is likely to be switched off
Does it need turning on at the appliance i. e. Lights, fan, stereo or GPS
If the bacery voltage is below 12v on the gauge in the boat run the engine at a minimum of 1200rpm to charge for an hour. Using the invertor will quickly drain the baceries so you may need to consider having the engine running whilst using the invertor.
Is the correct switch definitely on? If yes then check bacery voltage is over 12V or it will not be able to run the systems.
House Bacery ON Emergency Link OFF Start Bacery ON
House Bacery ON Emergency Link ON Start Bacery ON
House Bacery ON Emergency Link OFF Start Bacery OFF
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