16
ENGLISH
5
Troubleshooting
Symptom
Possible Reason
Solution
Pump does not start
Impeller blocked
Fill pump with the medium to
be pumped
Impeller clogged up or
macerated
Use an impeller appropriate
to the medium
Motor defective
Have motor checked by
specialist personnel and
have repaired if necessary
Pump does not take in liquid
Intake line is not leaktight
Seal connection or line
Impeller worn or damaged
Replace impeller
Suction line or foot valve is
blocked
Clean suction line or foot
valve
Pressure line closed or
blocked
Open fittings on the pres-
sure side or clean pressure
line
Ball valve at the tank outlet
closed or tank empty
Open ball valve or fill tank
Pump does not build up
pressure
Impeller or lateral discs are
worn
Replace impeller or lateral
discs
Filter clogged
Clean filter (see chapter
care and maintenance)
Ball valve at the tank outlet
closed
Open ball valve
Liquid escapes from the
pump
Shaft gasket or O-ring is
missing or defective
Check whether part is in
place and insert or replace
defective component
6
Accessories
Accessory Name
ROTHENBERGER Part Number
ROSOLAR PUMP
ROSOLAR PUMP PLUS
Replacement container
1500001191
1500001191
Hose set compl.
1500001190
1500001190
Pressure line filter
61453
61453
Impeller
1500001195
1500001211
O-Ring
1500001197
1500001210
Motor pump
1500001193
1500001221
Filter bag package, 10 pieces
1500001236
1500001236
Return run cap for filter bag
1500001235
1500001235