Originally Posted by jefndeb
Just bought a 2006 mainship 400 and on my way home to Savannah. Stopped at cabbage key and AC code says HPF.. checked strainer, not bad but cleaned anyway,.no help, checked pump impeller, no obstruction...... suggestions welcome...
Check at the water intake thru-hull if need disconnect the hose at the strainer and open the valve. You should have a full flow from the hose going to the strainer, quickly close the valve after checking.
If you have full flow check the electric water pump to the AC unit.
The turn the compressor back on to check the outflow water from the compressor.
I hope this helps.