Seko ProTwin - Maintenance; Troubleshooting Guide

0000137791 Rev. 4.0 EN
7
MAINTENANCE
ITEM
CAUSE
MAINTENANCE
Water supply filter
Limestone deposits on the screen
Replace
Debris or solids on the screen
Clean with water or replace
Venturi
Limestone deposits
Clean or replace
(Warning: do not use tools to remove
the lime deposits because you can
affect the functioning of the venturi;
only use anti lime products)
Congealed product
Clean with water
Non-return valves
Worn
Replace
Congealed product
Clean if possible or Replace
Foot filters
Worn
Replace
Congealed product
Clean if possible orReplace
TROUBLESHOOTING GUIDE
PROBLEM
CAUSE
REMEDY
No flow
No water supply
Open the water supply outside tap
Select product or rinse
Turn on the spray gun
Clogged hydraulic parts
Check the water supply filter (input
station)
Check the venturi
Product is not mixed or not dosed
correctly
The foot filter is clogged
Clean or replace the filter
The calibration nozzle is clogged
Clean or replace the nozzle
Insufficient water pressure
A minimum pressure of 22PSI is
required for
correct operation; if the
pressure is not correct, contact a
plumber
The chemical product container is
empty
Refill or change the chemical product
container
The suction hose is not properly
connected to the elbow fitting
Check that the suction hose is
properly connected to the fitting, use
a clamp for a better grip
The suction hose is crimped
somewhere
Check that the suction hose is
properly positioned
Debris or Solids in the venturi
Clean with water or compressed air
(Warning: do not use tools to remove
the lime deposits because you can
affect the functioning of the venturi;
only use anti lime products)
Concentration too high
The nozzle is not fully inserted or
Wrong metering tip
Check that the nozzle is securely
plugged into the non return valve or
select a smaller metering tip
The chemical product container
fills with water.
The non return valve is clogged or
worn
Clean or replace the non return valve