GB
Malfunctions and troubleshooting
7
Minor faults are often sufficient to cause a malfunction. In most cases, you will be able to correct
these faults easily yourself. Please start by referring to the following table before contacting our
technical support. This will help you save much effort and possibly expense.
Fault/malfunction
Cause
Remedy
Pump does not run. No mains voltage?
Check cables, plug, socket and fuse.
Motor overheats due to:
• liquid temperature too
high?
• blocking by foreign bod-
ies?
Eliminate the cause of the overheating
(max. temperature of liquid
►
Technical data – p. 8 ).
Residual current circuit break-
er (RCCB) triggered?
Activate RCCB.
Contact qualified electrician if RCCB
triggers again.
Motor defective?
Contact service partner.
Pump runs but does
not pump.
Suction openings blocked?
Rectify blockage.
Pump draws in air?
Keep the pump at an angle while sub-
merging.
Switch the pump on and off several
times in order to expel air.
Pump blocked by foreign bod-
ies?
Clean the pump (
►
Cleaning the suc-
tion area – p. 6 ).
Delivery rate too low. Delivery height too great?
Comply with maximum delivery height
(
►
Technical data – p. 8 ).
Pressure line diameter too
small?
Use pressure line with larger diameter.
Pressure line blocked?
Rectify blockage.
Suction openings blocked?
Clean suction opening.
Pressure line kinked?
Straighten pressure line.
Pressure line leaks?
Seal pressure line, tighten threaded
connections.
Pump runs very loud-
ly.
Pump draws in air?
Ensure there is sufficient liquid present.
Keep the pump at an angle while sub-
merging.
Summary of Contents for SP7580
Page 1: ...SP7580...
