Operating
Instructions
22
1096.0833 | CY, CSY, LNY, LSY, NPY, PY, Y, YS Series
05/2011
8
Troubleshooting
DANGER
Risk of injuries caused by running aggregate!
►
Do not touch the running aggregate.
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Do not carry out any works on the running aggregate.
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Prior to carrying out any assembly or maintenance works, de-energize the motor and protect it against restart.
RISK OF ELECTRIC SHOCK
Risk of death from electric shock!
►
Any electrical works must be carried out by qualified electricians only.
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Observe the IEC 30364 (DIN VDE 0100) and for potentially explosive areas the IEC 60079 (DIN VDE 0165) standard.
WARNING
Risk of injuries caused by hot pump parts or hot media to be pumped!
►
Use protective equipment when carrying out any works on the aggregate.
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Make sure the aggregate is depressurized.
If the machine operator is not able to rectify occurring defects himself, he has to call the person responsible for machine maintenance.
If the maintenance staff is not able to rectify the defect, the manufacturer has to be informed accordingly. The manufacturer will provide
troubleshooting support if he gets a detailed description of the defect.
Technical support address
Speck Pumpen Walter Speck GmbH & Co. KG
Defect
Cause
Rectification
Motor does not start
Motor
One phase of the power supply is interrupted
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Check the power supply/check the motor
Two phases of the power supply are interrupted
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Check the power supply/check the motor
The motor protection switch has tripped
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Switch on the motor protection switch
The motor is blocked
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Check/disassemble the motor
Pump is blocked
Contaminations or foreign bodies inside the pump
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Flush/disassemble the pump, clean it
Impeller blocked through calcification
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Descale the pump
Defective motor bearing
►
Replace the motor bearing
Ice inside the pump (solidified medium to be
pumped)
►
Carefully heat up and defrost the pump
