EN
6
Operation
6.1
Mono (variants with float switch)
Switching on/off
The pump is switched ON and OFF via the float switch.
6.2
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
Contact Customer Services
Pump is not running
Overheating
Submersible pump switches back on again
automatically when the temperature has
dropped again
Incorrect
level detected, level
error displayed
Float switch blocked
Carry out maintenance (
see "Level measure-
ment"
)
Multi-vane
impeller blocked
Soiling, solids have become lodged between
the multi-vane impeller and the spiral housing.
Clean pump (
)
Intake cage blocked
Clean pump (
)
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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Installation and operating instructions
016-232_01
