Advice please

I've had my ritmo a few months and just sprayed mono through it,I tried Johnstones base coat today normal set up sprayed great for about a minute pressure drop and ran like piss.done clean up took mortar hose off and set machine away nothing came through machine.full clean out start again same problem done job by hand instead.ive sprayed 300m of mono is it rotor and stator or something else

Cheers
 
What speed and water setting did you have? Did you do a mortar test before putting through the hose?
 
Sounds like the r@s. Did u do a bucket test b4 u put the hose on. Water setting change as the r@s get used more. The water setting comes down
 
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