EBARA OY3 Serie Notice D'installation page 9

•
•
•
•
•
• •
•
•
•
•
For further mal functions or other information request, please contact the EbaraTechnical
Department.
Our motor doesn't require any scheduled maintenance.
If it's necessary to overhaul weared motors, Ebara Pumps Europe S.p.A. can supply both a
special maintenance and servicing manual, a special kit of tools and special kit of OY3" spare
parts. For more information please ask toEbara Pumps Europe S.p.A.Commercial Dep.
• •
•
• •
• •
•
•
9
MAL FUNCTIONS
POSSIBLE CAUSES AND
CORRECTIVE ACTIONS
POSSIBLE CAUSES CORRECTIVE ACTION
No power
Protector tripped
previously
Defective motor winding
or power cable
Unsuitable fuses or
automatic switch
Supply voltage
incorrect
One phase is cut out
(three phase motor)
Control box or
capacitors incorrect
(single phase motor)
Control box in hot
enviroments
Consent inhibited by
control apparatus
Sudden failure in the
capacitor or other apparatus
Leakage in the
foot valve or plant
Pressure switch faulty
or set incorrectly
Couple overload
(friction etc.)
Screen clogged, pump
worn. Water level sunk.
Check the connections
Reset protection
Repair or replace
the faulty unit
Replace with suitable units
Change motor or supply line
Reset connections
Replace with our control
boxes or other suitable ones
Protect control box
from heat sources
Wait for consent or repair
faulty automatism
Replace faulty unit
Find out leakage points
and repair
Reset the pressure switch
or replace it
Ripair and clean unit
Pull out unit, clean
and overhaul pump;
install protection against
dry-running
EN