Subject to change · UM 045_14264401
· 0916 · EN
Page 18
www.argo-hytos.com
9. Faultfinding / troubleshooting
Problem / fault
Possible cause
Remedy
Electric motor will not turn
on start up
›
Electrical cable or plug is faulty
Have the cable replaced by a specialist
›
No mains voltage
Provide mains voltage, e.g.
›
Motor is faulty
Replace / repair the motor
(repair at manufacturer’s premises)
›
Pump is faulty
Replace/ repair the pump
(repair at manufacturer’s premises)
›
Viscosity is too high (medium)
Heat the medium
Electrical motor switches off during
operation
›
Electric motor has overheated
Let the motor cool down, clean the
ventilation slits if they are clogged
›
Pump is blocked
Replace / repair the pump
(repair at manufacturer’s premises)
Volume flow rate is clearly too low
›
Filter element is clogged
Replace the filter element
›
Suction strainer is clogged
Replace the suction strainer
›
Viscosity is too high
Heat the medium
›
Suction height is too great
Adjust the suction height
›
Leak on suction side
Replace the suction hose or seal the
connection points (tighten them)
›
Pump is worn
Replace the pump
(repair at manufacturer’s premises)
Operating noise is too loud
›
Filter element is clogged
Replace the filter element
›
Suction strainer is clogged
Replace the suction strainer
›
Viscosity is too high
Heat the medium
›
Suction height is too great
Adjust the suction height
›
Leak on suction side
Replace the suction hose or seal the
connection points (tighten them)
›
Filter unit is standing on vibration-
sensitive surface (e.g. metal sheet)
Improve conditions of location
Pump does not draw in fluid
›
Leak on suction side
Replace the suction hose or seal the
connection points (tighten them)
›
Sealing plug of the suction
strainer is leaky
Check the sealing ring and replace it if
necessary, check tightening torque
›
Unit is running dry
(with new filling)
Prime unit (with 0,5l to 3l)
Particle counter (PODS) does not
start the pre-set program
›
Inlet pressure at the PODS is
too low or missing
Pressure or return hose at the
plug-in adapter is loose.
›
The switching on sequence has
not been considered
Consider the switching on sequence
›
Wiring between PODS und
UMP 045 is faulty, no data transfer
Set up the electrical connection
UMP 045 does not switch off once
the pre-set cleanliness class has
been reached.
›
Wrong mode has been adjusted
when programming the particle
counter. No output signal at the
UMP 045
Switch over to the filtering mode when
programming the particle counter.
Consider the operating instructions of
the particle counter.
›
Wiring between PODS und
UMP 045 is faulty, no data transfer
Set up the electrical connection
