EN
9
Troubleshooting
Error
Cause
Remedial measures
No mains voltage available
Check mains voltage
Main power circuit breaker has tripped
Switch circuit breaker on again
Connection cable damaged
Repair only by qualified electricians/service
partners
Float switch defective
Have components replaced by a qualified elec-
trician
Pump is not running
Overheating
Submersible pump switches back on again
automatically when the temperature has
dropped again
Incorrect
Level detected,
Float switch blocked
Clean the float switch, carry out maintenance if
necessary
Multi-vane
impeller blocked
Soiling, solids have become lodged between
the multi-vane impeller and the spiral housing.
Intake cage blocked
Spiral housing is worn
Replace the spiral housing
Multi-vane impeller worn
Replace multi-vane impeller
Reduced performance
Ventilation pipe blocked
Clean ventilation opening
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Pumping station / Installation and operating manual
016-102_05
Summary of Contents for Aquapump Small
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