Kessel GTF1000 Manual page 25

5.4 Troubleshooting
Error
No mains voltage available
Mains power fuse has tripped
Connection cable is damaged
Pump is not running
Float switch is defective
Overheating
Multi-vane Dirt, solids have become lodged between the
impeller is blocked multi-vane impeller and the spiral housing.
Intake cage is blocked
Reduced pump-
Multi-vane impeller is worn
ing capacity
Vent is blocked
016-212_01
Cause Remedial measures
Check the mains voltage
Switch fuse on again
Repair only by qualified electricians/service
partners
Contact customer service
Submersible pump switches back on again
automatically after the temperature has
dropped
Clean the pump
Clean the pump
Replace the multi-vane impeller
Clean the vent
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