23833A595
8
1. Push in red reset button to reset overload. If overload trips again after
short run, pump has some damage and must be removed from basin for
checking.
2. Trouble may be from clogged grinder causing motor to overload or could
be from failed motor.
3. Trouble may be from faulty component in control box. Always check
control box before removing pump.
1. Indicates H-O-A switch be in the hand position.
2. Level control switch may have failed causing pump to continue to oper-
ate when water is below lower float.
3. Grinder assembly may be partially clogged causing pump to operate at
very reduced capacity.
4. Check valve may be clogged causing low pump flow. Gate valve may
be in off position.
5. Pump may be air locked.
1. Reset breaker by pushing clear down on handle then back to on posi-
tion. If breaker trips again in few seconds it indicates excessive load
probably caused by a short in the motor or control box. Check out
instructions given with control box before pulling pump.
2. If this condition happens after an electrical storm, motor or control box
may be damaged by lightning.
3. Resistance reading of the motor with lead wires disconnected from the
control box can determine if trouble is in motor or control box.
1. Grinder assembly may be partially clogged with some foreign objects
causing noise and overload on the motor.
2. Grinder impeller may be rubbing on grinder ring due to bent shaft or mis-
alignment.
1. Pump “ON” switch may be set too high.
2. Run pump on hand operation for several minutes with small amount
of water running into basin to clean out solids and grease. This allows
pump to break suction and surge which will break up the solids.
3. Trash may have accumulated around lower weight causing pump to turn
off too soon. Clean trash from weight and suspension cable.
Overload trips and alarm buzzer
or flashing red light comes on
due to high water level in basin
Yellow run light stays on con-
tinuously
Circuit breaker trips
Pump is noisy and pump
rate is low
Grease and solids have accumu-
lated around pump and will not
pump out of basin
CONDITION PROBABLE CAUSE