16
RediCoat Dolly Systems
PART 1082648A
© 2007 Nordson Corporation
Troubleshooting
Problem
Possible Cause
Correction
Switch off
Press switch to turn on control unit.
Switch light off, control
unit off
Fuse blown
Replace fuse (0.5 amp)
Atomizing air pressure too low
Increase atomizing air pressure.
Powder hose worn
Replace powder hose.
Powder spray uneven
or puffing
Supply air pressure unstable
Install air regulator on supply line to regulate
pressure if necessary.
Powder escaping from
box or hopper
Fluidizing air pressure too high Adjust needle valve to decrease air pressure.
Powder supply low
Replace box or refill hopper.
Blockage in spray gun
Remove powder hose and blow out spray gun
with compressed air. Clean nozzle.
Blockage in powder hose
Disconnect powder hose from spray gun and
pump. Blow out hose with compressed air.
Blockage in powder pump
Disconnect powder hose and air tubing from
pump. Remove venturi throat and blow out
throat and pump.
No powder spray when
gun triggered
Blockage in pickup tube
Remove pickup tube and clean.
