KSB Amacan P 1000-700, Инструкция по установке и эксплуатации

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8 Trouble-shooting
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Amacan P
8 Trouble-shooting
WARNING
Improper work to remedy faults
Risk of injury!
▷ For any work performed to remedy faults, observe the relevant information
given in this operating manual and/or in the product literature provided by the
accessories manufacturer.
If problems occur that are not described in the following table, consultation with the
KSB customer service is required.
A Pump is running, but does not deliver
B Pump delivers insufficient flow rate
C Excessive current/power input
D Insufficient discharge head
E Vibrations and noise during pump operation
Table 32: Trouble-shooting
A B C D E Possible causes Remedy
8)
- ✘ - - ✘ Water level lowered too much during operation Check supply and capacity of system (sump floor
area).
Check level control equipment.
✘ ✘ - - ✘ Total pressure corresponding to NPSH
pump
too
high
Total pressure corresponding to NPSH
system
too
low
Increase fluid level on the suction side.
Clean screening equipment, if required.
✘ ✘ ✘ - ✘ Penetration of air into the pump due to
formation of an air pocket
- Suction-side water level too low Increase the suction-side water level. If this is
not possible or unsuccessful, please contact KSB.
✘ ✘ ✘
-
✘
Unfavourable flow to the pump inlet Improve the flow to the intake chamber (contact
KSB).
-
✘ ✘
-
✘
Pump running in off-design conditions
- part load/overload Check the pump's operating data.
✘ ✘
-
✘ ✘
Pump clogged by deposits Clean intake and pump components.
- ✘ ✘ ✘ ✘ Wear Replace worn components by new ones.
- ✘ - ✘ ✘ Impermissible air or gas content in the fluid
handled Contact KSB.
- - - - ✘ System-induced vibrations Contact KSB.
- -
✘
-
✘
Wrong direction of rotation Check the electrical connection of motor and
control system, if any.
✘ - - - - No voltage Check electrical connections.
Contact the energy supplier.
✘ - - - - Motor winding or electric cable are defective. Replace with original KSB cable or contact KSB.
- - ✘ - ✘ Worn or defective rolling element bearings Contact KSB.
✘ - - - - The thermistor tripping unit with manual reset
for temperature limiter has tripped the pump as
a result of the permissible winding temperature
being exceeded.
Have cause determined and eliminated by
qualified and trained personnel.
✘ - - - - Motor has been tripped
by leakage monitor.
Have cause determined and eliminated by
qualified and trained personnel.
8) The pump pressure must be released before attempting to remedy faults on parts which are subjected to pressure.
Disconnect the pump set from the power supply!