Mi-T-M
WOS-SERIES Operator's Manual
5
TroUBLESHooTinG
SyMpTOM
pROBaBlE CaUSE
REMEDy
ElECTRICAl
No power at
Control panel (23)
.
power failure to
Control panel (23)
.
Check circuit breaker at power
source or contact your local
distributor.
sUmP PUmP
Sump pump (4)
will not run.
Floats are not adjusted correctly in
Readjust.
the
Sump pit (3)
.
Not enough water in the
Sump pit (3)
. add water to the
Sump pit (3)
.
Float is defective.
Replace.
Circuit overload/breaker has tripped.
Reset breaker or replace fuse at
power source.
Motor overload.
allow motor to cool. Motor will
automatically restart when cool.
Motor is defective.
Replace motor.
Sump pump (4)
motor starts and
This is a common occurrence on
Allow pits to fill.
stops frequently.
initial start-up while pits are filling.
Excessive water flow to reclaim unit.
Turn valve clockwise to reduce flow.
Sump pump (4)
impeller is clogged.
Disconnect power and unclog
impeller.
Motor overload.
allow motor to cool. Motor will
automatically restart when cool.
Sump pit (3)
is not large enough.
Expand size of pit.
Sump pump (4)
runs, but there is
In-line wye strainer is plugged.
Clean, repair or replace.
little or no water discharge.
Water level is below pump inlet.
Ensure Float is not caught in
plumbing.
There is an air lock in the
Sump
Manually fill the inlet pipe with water.
pump (4)
.
Turn the
Sump pump (4)
on and off
several times.
low voltage.
Ensure wire size is capable of
handling the rated amperage of the
unit. If wire size is correct, contact
your distributor.
Clogged impeller or worn pump parts. Contact your distributor.
Sump pump (4)
will not turn off.
pump is air locked.
Cycle pump in one minute increments
several times to clear air from pump.
If system includes a check valve, a
3/6" hole should be drilled
in the discharge pipe
approximately 2" above the discharge
connections.
