Lipco GSG-NV Series - Troubleshooting Guide; Troubleshooting: Incorrect Suction; Troubleshooting: Insufficient Pump Capacity

Operating Manual
Cross-flow fan unit type GSG-NV1 / 2
53 - 64
010980-26-E BA GSG-NV1_2 / 23.03.2012
25. Troubleshooting
The following table should help you to quickly locate and elimi-
nate any malfunctions.
Location of fault
Possible cause
Solution
Incorrect suction of
excess spray liquid
Recycling filter blocked
Clean recycling filter
Injector nozzle blocked
Clean injector nozzle
Injector nozzle not
aligned with suction
nozzle
Re-align injector nozzle
Return hose squeezed or
blocked at input to recy-
cling filter
Eliminate squeezing /
blockage
Recycling circuit shut off
Switch on recycling at
control box
Adjust recycling valve
Insufficient pump
capacity
Suction filter blocked
Clean suction filter
Insufficient pressure in air
receiver
Check pressure in air
receiver via test valve
Leak in suction line
Seal suction line
Insufficient RPM
Set specified RPM - max.
540 rpm
Pump membrane
defective:
discernible by opaque
lubricating oil
Replace membrane
Air receiver membrane
defective:
discernible by irregular
display on manometer in
control box
Replace membrane
Pressure control valve on
pump activated
Adjust pressure control
valve downward + push
in brass pin on PCV until
it locks into place