www.larius.com
31
L400
REV.
02 - 02/2020 - Cod. 150085
TROUBLESHOOTING
Z
Problem
Cause
Solution
• Pulling the trigger, the pressure drops
considerably
• The nozzle is too large or worn;
• The product is too dense;
• The mesh of the filter in the gun is
too fine;
• Replace with a smaller one;
• If possible, dilute the product;
• Replace with a filter with larger mesh;
• Material flows from the cap
• Material leakage from the sealing
Oring;
• Replace the O-ring;
• Fluid leakage from the gun
• Gaskets worn;
• Product viscosity too low;
• Fluid rod damaged or worn;
• Replace the gaskets;
• Change to a more suitable product;
• Check and replace if necessary;
• Fluid in air passages
• Leaks from the gaskets;
• Replace the gaskets;
• Fluid flow stops or it comes out slowly • Nozzle dirty or clogged;
• Clean or replace it;
• Material leaks from the gasket pressing
screw
• Gasket loosened or worn;
• Tighten the gasket pressing screw or change the gasket;
• Atomization imperfect
• Nozzle worn;
• Replace it;
• Spraying jet irregular
• Insufficient fluid feed;
• Air in the paint feed line;
• Nozzle worn;
• Adjust the fluid outflow or fill the fluid feed can;
• Check and bleed the paint line air;
• Replace it;
• Spraying jet streaky
• Nozzle partially clogged;
• Clean or replace it;
• Uneven paint spreading
• Nozzle worn or partially clogged;
• High-pressure atomization side
• Clean or replace it;
• Clean or replace it;
• Pulling the trigger, the fluid does not
flow out
• Nozzle clogged;
• Filter clogged or worn.
• Clean or replace it;
• Clean or replace it;
Incorrect spreading of the product is caused by incorrect adjustment between the air and the fluid.
