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PAGE
13
TROUBLESHOOTING
PROBLEM
POSSIBLE CAUSE CORRECTIVE ACTION
Unit does not
start when
full of
condensate
1. Power is not
supplied to pump.
2. Pump impeller is
not turning.
1. Ensure that power is supplied to pump. A
green LED indicator on top of pump cover
will show that power is supplied and that
pump is ready.
2. Clear any blockage in impeller housing. If
problem persists, motor is stuck. Return
pump to place of purchase if under
warranty.
Condensate is
overflowing
from unit
1. Power is not
supplied to pump.
2. Pump is in overflow
condition.
3. Pump is not level.
4. Outlet flow is
blocked.
5. Pump impeller is not
turning.
1. Ensure that power is supplied to pump. A
green LED indicator on top of pump cover
will show that power is supplied.
2. The inlet flow to condensate pump is
exceeding outlet flow. Check to ensure
that pump safety switch (alarm circuit)
is connected to appliance. The safety
switch connection will shut off appliance
in this condition.
3. Check to ensure that pump is level. If
pump is not level, it may not activate,
causing water to overflow from tank.
Place unit on a flat and level surface.
4. Check outlet tubing to ensure that it is not
kinked or blocked. Clear blocked tubing
of slime and debris. Clean inlet and outlet
piping.
5. Clear any blockage in impeller housing. If
problem persists, motor is stuck. Return
pump to place of purchase if under
warranty.
Pump will not
shut off
1. The pump is in
overflow condition.
2. Outlet flow is
blocked.
1. The inlet flow to condensate pump is
exceeding outlet flow. Check to ensure
that pump safety switch (alarm circuit)
is connected to A/C / furnace unit. The
safety switch connection will shut off
A/C / furnace in this condition.
2. Check outlet tubing to ensure that it is not
kinked or blocked. Clear blocked tubing
of slime and debris. Clean inlet and outlet
piping.
