PFT G 5 SUPER - Fault - Cause - Remedy

PFT G 5 SUPER Operating Manual Issued 11.2008
Knauf PFT GmbH & Co.KG
36
Fault – Cause – Remedy
Fault Cause
Remedy
Machine does not start! Water Check water supply
Water pressure too low Clean dirt filters
Gauge shows less than 2,2 bar Switch on water pump
Machine does not start! Power
- Power supply okay?
- FI safety switch activated?
- Mains on ?
- Display lamp lights up?
- Motor safety switch activated?
- Self-latching device not activated?
- Protector faulty?
- Fuses faulty?
- Water safety switch not adjusted?
- Pump blocked?
Machine does not start! Air
- Insufficient pressure gradient in remote
control due to blocked air pipe or air nozzle
tube?
Clean blocked air pipe or air
nozzle tube.
Machine does not start! - Air safety switch not adjusted?
- Compressor connected and switched on?
Machine does not start! Material
(Flow meter not working) - Too much thick material in hopper or mixing
zone?
Empty hopper by half and
start up again.
- Material in pumping zone too dry? CAUTION!
Water does not flow! - Solenoid valve : Hole in membrane blocked?
- Magnetic coil faulty?
- Pressure reducing valve shut?
- Water inlet on pump tube blocked?
- Needle valve shut?
- Cable to solenoid valve faulty?
Pump motor does not - Pump motor faulty?
- Connection cable faulty?
- Plug or fitted socket faulty?
- Motor safety switch faulty or off?
Machine stops after short - Dirt filter clogged? Clean or replace filters.
- Pressure reducer filter dirty?
- Hose connection or water pipe too small? Increase size of water
connection.
- Water suction pipe too weak or too long? Connect additional water
pressure booster pump.
Machine does not switch
off!
- Air pressure safety switch not adjusted or
faulty?
Adjust air pressure safety
switch.
- Air hose faulty or gasket faulty? Replace air hose or check
compressor
- Air tap on spraying gun faulty?
- Compressor not powerful enough?
- Air pipe on compressor not connected?