tefen MixRite 2.5 - Troubleshooting; Pump Does Not Work; Pump has stopped working

7. TROUBLESHOOTING
Subject
Check
Solution
The pump does not
work.
Direction of arrows on the pump is
the same as water flow.
Install the pump so that the
arrows point in direction of
water flow.
Inlet and outlet valves are open.
Open the valve
Inlet filter is not clogged.
Clean the filter.
Line’s water pressure.
Make sure there is water
pressure in the line – check
the system input filter and
make sure it is clean.
Springs are not broken.
Change the motor.
Cylinder is not scratched.
Change cylinder.
Piston seals are not damaged.
Change the seals.
Bypass installation* pump test at
low pressure.
Disconnect the water outlet
hose from the outlet, by
installing a bypass make
sure there is no water
returning to the pump. If
the pump is working check
the ΔP – as described in
the item below.
Bypass installation* make sure
the pressure difference.
The water pressure at the
outlet of the pump is equal
to or greater than the water
pressure at the main line.
The pump has
stopped working.
There is no water flow at the
appropriate pressure. Open the
main valve. Open the nut locking
the motor cover, remove the
motor cover, and remove the
mechanism. Check if the motor
seals are defective.
Replace the motor seals.
Check if the springs are broken.
Replace the motor.
Check if one of the parts of the
mechanism is broken.
Replace the motor.