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English
8. Fault finding, causes and remedies
16
WILO SE 11/2010
If the fault cannot be remedied, please contact your plumbing
and heating specialist or WILO customer services.
Subject to technical alterations.
Fault
Causes
Remedy
Pump does not run
no power
check fuses, cables and connections
motor safety switch activated
eliminate motor overload
Pump runs but does not pump
wrong direction of rotation
check direction of rotation and
correct if necessary
pipe or pump components blocked
by foreign body
check and clean pipe and pump
air in inlet pipe
seal inlet pipe
inlet pipe too narrow
fit a larger inlet pipe
air in the pump
open valve
Pump does not pump evenly
valve not sufficiently open
bleed the pump
Pump vibrates and is noisy
foreign body in the pump
remove foreign body
pump not properly fixed to the base
tighten anchor bolts
bearing damaged
consult customer services
Motor overheats, motor cut-out activates
one phase interrupted
check fuses, cables and connections
pump sluggish:
foreign body
bearing damaged
clean pump
have pump repaired by
customer services
ambient temperature too high
provide cooling
Содержание MultiVert-MVI 1 6 Series
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