WAGNER TwinControl - Malfunction Remedy; System does not start up; System is in operation (a pump is running), but there is no product flow; System does not supply any product, pumps do not run

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VERSION 10/2018 ORDER NUMBER DOC 2339321
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Malfunction Remedy
System does not start up – Check air supply line connection.
– Check the pressure value on the system's pressure gauge for the air supply
to the valves.
– Check the voltage supply (Does the control panel light up?).
– Check the selected valves.
– Check the fuses.
System is in operation
(a pump is running), but
there is no product ow
– Check the supply lines of the components as well as lters (clogging) and
suction tubes (leakage).
– Check the component level in the supply tanks.
– Check the viscosity of the components or the pressure loss.
System does not supply
any product, pumps do
not run
– Check the mixing tube and feed hoses.
– Check the guns and the gun lter.
– Clean the lines by ushing or cleaning manually.
The 2K product does not
react correctly
– Check the mixing ratio value.
– Check the suction lines (leakage).
– Check the stroke sensors by carrying out a calibration.
– Check the dierential pressure between B and A (B approx. 5-10% higher
than A).
–
Check AIS function and stepping motor according to Chapter 7.6.3.
– Without AIS: Optimize the switching behavior of the hardener dosing valve
in spraying mode (0.5-2 seconds) via the dierential pressure of B to A or via
the stroke setting of the valve.
– Check the lacquer specications.
Flow rate is too low – Check the mixing tube and feed hoses.
– Check the guns and the gun lter.
– Clean the lines by ushing or cleaning manually.
– Increase the pressure of the supply pumps.
Lacquer loss from the
bleed bore of a product
valve
– Replace the valve needle seal, check the valve needle and housing for damage
and if necessary, replace the entire valve.
Power failure over a
longer period of time
– With external compressed air, manually open the ushing valve and distributor
valve (option).
The system supplies
product, but the spray
pattern is inadequate
– Ensure that the supply pressures are constant.
– The pressure of component B must be 10% higher than that of component A.
– Increase the pressure of the supply pumps.
– AirCoat: Set the atomizing air correctly.
– Check the product lter with pumps and guns.
– Replace gun nozzle with a more suitable nozzle (Airless and AirCoat).
– Check the viscosity of the product and dilute it in accordance with the
lacquer manufacturer's instructions. If necessary correct the mixing ratio.
– AirCoat: Ensure that only dry, clean atomizing air is used in the spray gun.
Flow rate is too high – Replace gun nozzle (Airless and AirCoat).
– Check the lines for leakage.
– Set the opening of the gun needle correctly (air guns only).
– Decrease the pressure of the supply pumps.