PFT G 5 c FU, Operating Manual

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PFT G 5 c FU 230V Operating Manual Issued: 09.2007
Knauf PFT GmbH & Co. KG
30
Fault – Cause – Remedy
Fault Cause Remedy
Machine will not start. Water - Check water supply
Water pressure too low – - Clean dirt trap
Gauge displays pressure below
2.2 bar - Switch on booster pump
Machine will not start. Electricity
-Power supply okay?
-FI safety switch triggered?
-Main switch turned on?
-Fault indicator lamp lights up?
-Motor safety switch triggered?
-Self-holding button not pressed?
-Contactor defective?
-Fuses defective?
-Water safety switch incorrectly set?
-Pump jammed?
Machine will not start. Air
- Insufficient pressure gradient in
remote control due to blocked air
pipe or blocked air nozzle tube Clean blocked air pipe or air
nozzle tube.
Machine will not start. -Air safety switch incorrectly set
- Compressor connected and
switched on?
Machine will not start. Material
(No display at flow meter) - Too much thickened material in the
hopper or mixing area
If necessary, empty the hopper to
half-full and restart.
- Material in pump component
too dry
WARNING!
First turn off main switch and pull
plug
Water is not running.
(No display at flow meter) - Solenoid valve (bore in diaphragm
blocked)
- Solenoid coil defective
- Pressure reducing valve closed
- Water supply blocked at pump tube
- Needle valve closed
- Cable to solenoid valve defective
Pump motor will not start. - Pump motor defective
- Connection cable defective
- Plug or mounted socket
defective
- Motor safety switch defective or
triggered
Stops after running briefly. - Dirt trap is clogged Clean or replace screen and
- Pressure reducer filter is dirty enlarge the water connection
- Hose connection or water supply
line too small
- Water intake line too weak or
too long Connect additional booster pump if
necessary