14
ENGLISH
10.PROBLEMS, CAUSES AND REMEDIES
If no solution can be found, please contact your plumbing and
heating specialist or your nearest Salmson Customer Service or
representative.
11.SPARE PARTS
Spare parts are ordered via a local specialist dealer and/or
Salmson customer service.
In order to avoid queries and incorrect orders, make sure to
mention all data indicated on the rating plate when placing
your order.
Subject to technical alterations!
PROBLEMS
CAUSES
REMEDY
PUMP DOES NOT RUN
Interruption of the current, short circuit,
Insulation fault in the motor winding
Check power supply,
Call on expert to check cable and motor
Safety fuse, capacitor defect
Replace fuses, capacitor
Cable break
Check cable resistance. If necessary, replace
cable. Only use original Salmson special cable!
Level switch does not switch
Check level switch
PROTECTIVE MOTOR
SWITCH ENGAGED
Protective motor switch not set correctly
Switch to nominal current
Cutting device or impeller already blocked by
foreign bodies
• Switch off the pump voltage and secure against
re-operation.
• Close the shut-off valve at the back of the pump.
• Remove pump from the sump
• Remove foreign bodies from the pump
PUMP DOES NOT PUMP
Air in spiral housing
Ventilate backflow preventer
Level switch not set correctly
Ensure that the suction impeller is flooded
PUMP TRANSPORTS TOO LIT-
TLE,
Wrong direction of rotation
interchange two phases of the mains connection
NOISY OPERATION
Impeller worn down
Change impeller
Impeller, cutting device or pump housing cov-
ered in sludge
Clean pump, see sixth line