Interline SMPC- 500 Instructions De Service page 14

Malfunctions and troubleshooting
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
Pump does not run.
Pump runs but does
not pump.
Delivery rate too low. Pressure hose
Pump runs very
loudly.
No mains voltage?
Motor overheats due to:
• liquid temperature too
high?
• blocking by foreign bod-
ies?
Residual current circuit break-
er (RCCB) triggered?
Motor defective?
Suction openings blocked?
Pump draws in air?
Pump blocked by foreign bod-
ies?
diameter too
small?
Pressure hose blocked?
Suction openings blocked?
Pressure hose kinked?
Pressure hose leaks?
Pump draws in air?
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Remedy
Check cables, plug, socket and fuse.
Eliminate the cause of the overheating
(max. temperature of liquid
► Technical data – p. 8 ).
Activate RCCB.
Contact qualified electrician if RCCB
triggers again.
Contact service partner.
Rectify blockage.
Keep the pump at an angle while sub-
merging.
Switch the pump on and off several
times in order to expel air.
Clean the pump (► Cleaning the suc-
tion area – p. 6 ).
Use pressure hose with larger diameter.
Rectify blockage.
Clean suction opening.
Straighten pressure hose.
Seal pressure hose, tighten threaded
connections.
Ensure there is sufficient liquid present.
Keep the pump at an angle while sub-
merging.
EN
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