Faults, Causes And Remedies - Wilo FKT 50.1 Instrucciones De Instalación Y Funcionamiento

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Faults, causes and remedies

Installation and operating instructions Wilo Motor FKT 50.1, 57, 63.1, 63.2 + EMU FA
Faults, causes and remedies
DANGER
Danger due to fluids hazardous to health!
Danger of death in case of pumps with fluids hazardous to health! Wear the follow-
ing protective equipment while performing the work:
• Closed safety goggles
• Breathing mask
• Protective gloves
⇒ The equipment listed here is the minimum requirement, observe the spe-
cifications of the work regulations! The operator must make sure that the
personnel have received and read the work regulations!
DANGER
Risk of death due to electrocution!
Improper conduct when carrying out electrical work can lead to death due to electric
shock! Electrical work must be carried out by a qualified electrician in accordance
with the locally applicable regulations.
DANGER
Risk of fatal injury due to dangerous lone working practices!
Work in chambers and narrow rooms as well as work involving risk of falling are dan-
gerous work. Such work may not be carried out autonomously! A second person
must be present for safety reasons.
WARNING
No persons are allowed to be present inside the working area of the
pump!
Persons may suffer (serious) injuries while the pump is in operation! No persons may
therefore be present inside the working area. If persons must enter the working area
of the pump, the pump must be decommissioned and secured against being
switched on again without authorisation.
WARNING
Sharp edges on the impeller and suction port!
Sharp edges can form on the impeller and suction port. There is danger of limbs be-
ing severed! Protective gloves must be worn to protect from cuts.
Fault: Pump does not start
1. Electricity supply interrupted or short-circuit/earth fault in the cable or motor
winding.
⇒ Have the connection and motor checked by a qualified electrician and replace
if necessary.
2. Tripping of fuses, of the motor protection switch or the monitoring device
⇒ Have the connection and the monitoring device checked by a qualified electri-
cian and change it if necessary.
⇒ Have the motor protection switches and fuses installed and adjusted accord-
ing to the technical specifications by a qualified electrician and reset monitor-
ing device.
⇒ Check the impeller to make sure that it runs smoothly, clean the hydraulics if
necessary.
3. The sealing chamber control (optional) has interrupted the electric circuit (connec-
tion-related)
en
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