33
SET PLUS 2.0 - SET 2.0
Troubleshooting
Problem
Cause
Solution
The pump does not start
1)
The pump motor is
damaged
1) Replace the pump
2) There is no voltage
2) Check for voltage
3) The pump is jammed
3) Unblock the pump
The pump makes a noise
1) There is air in the
hydraulic circuit
1) Vent air from the circuit
2) The working point is
outside the operating
curve
2) Adjust the calibration
valve
3) Inverted phase in the
power supply cable
3) Invert the phases properly
Noise and vibrations
1) Contact between metal
parts
1) Check for it
2) Loose or missing screws
2) Add or tighten the screws
Safety valves are triggered
1)
The system’s load
pressure is too high
1) Release pressure
2) The expansion tank is not
filled or defective
2)
Fill or replace the
expansion tank
System low pressure
1) There are leaks in the
hydraulic circuit
1) Check and eliminate the
problem
Wrong flow rate
1) The flow meter is dirty
1) Clean the flow meter
2) The flow meter is
defective
2) Replace the flow meter
3) Wrong VFS type
3) Set proper VFS type
Wrong connection to
the mains (SET 2.0 -
60/70/80/100/120/200)
1) Thermal cutout tripped
due to short-circuit
1) Check the power supply
and restore proper values.
All operations marked with symbol “ ” in the right column shall be carried out by qualified
technicians.
If problems other than the ones indicated in this chapter are detected, contact
either the Service Centre or the Manufacturer.
Summary of Contents for SET 2.0 - 100
Page 41: ......