V-TUF VTS1210HPC XL, Operator'S Manual

Page: 21 / 38

21
Troubleshooting
PROBLEMS
The pump turns but does not
reach the required pressure
Irregular fluctuations in pressure
Drop on pressure
CAUSES
The pump is sucking in air.
Worn out valves
Worn out valve seat
Worn out or inadequate water nozzle
Worn out gaskets
Dirty water filter
Worn out suction and/or delivery
valves
Presence of foreign bodies in the
valves which can affect their
performance
Air being sucked in
Worn out gaskets
Worn out suction and/or delivery
valves
Presence of foreign bodies in the
valves which can affect their
performance
Air being sucked in
Worn out gaskets
SOLUTIONS
Check that the piping is watertight
Replace the valves
Replace the valve seat
Replace the water nozzle
Replace the gaskets
Clean the water filter
Replace the valves
Check and clean
Check the piping
Replace the gaskets
Replace the valves
Check and clean
Check the piping
Replace the gaskets