Xylem IM245 RGS2012E1 S or E Retrofit Kit SUBMERSIBLE GRINDER PUMP - Manual (Page 4)

4
SYMPTOM PROBABLE CAUSE RECOMMENDED ACTION
MOTOR NOT
RUNNING
NOTE: If circuit breaker
“OPENS” repeatedly,
DO NOT reset. Call
qualified electrician.
Motor thermal protector tripped. Allow motor to cool. Insure minimum pump
submergence. Clear debris from casing and
impeller.
Open circuit breaker or blown fuse. Determine cause, call a qualified electrician.
a) Manual operation Pump impeller binding or jammed.
Power cable is damaged.
Inadequate electrical connection in
control panel.
Check motor amp draw. If two or more times
higher than listed on pump nameplate,
impeller is locked, motor bearings or shaft
is damaged. Clear Inadequate electrical
connection debris from cutter, casing and
impeller, consult with dealer.
b) Automatic
operation
No neutral wire connected to control
panel. Resistance between power leads and ground
should read infinity. If any reading is incorrect,
call a qualified electrician.
Inadequate electrical connection in
control panel. Inspect control panel wiring. Call a qualified
electrician.
NOTE: Check the pump
in manual mode first
to confirm operation.
If pump operates, the
automatic control or
wiring is at fault. If pump
does not operate, see
above. Defective liquid level switch. With switch disconnected, check continuity
while activating liquid level switch. Replace
switch, as required.
Insufficient liquid level to activate
controls. Allow liquid level to rise 3” to 4” (76 mm - 101
mm) above turn-on level.
Liquid level cords tangled. Untangle cords and insure free operation.
PUMP WILL NOT
TURN OFF
Liquid level cords tangled. Untangle cords and insure free operation.
Pump is air locked. Shut off pump for approximately one minute,
then restart. Repeat until air lock clears. If
air locking persists in a system with a check
valve, a
3 ⁄
16
” (4.8 mm) hole may be drilled in
the discharge pipe approximately 2” (51 mm)
above the discharge connection.
Influent flow is matching pump’s
discharge capacity. Larger pump may be required.
LITTLE OR NO
LIQUID DELIVERED
BY PUMP
Check valve installed backwards,
plugged or stuck closed. Check flow arrow on valve and check valve
operation.
Excessive system head. Consult with dealer.
Pump inlet plugged. Inspect and clear as required.
Improper voltage or wired incorrectly. Check pump rotation, voltage and wiring.
Consult with qualified electrician.
Pump is air locked. See recommended action, above.
Impeller is worn or damaged. Inspect impeller, replace as required.
Liquid level controls defective or
improperly positioned. Inspect, readjust or replace as required.
TROUBLESHOOTING CHART
FAILURE TO DISCONNECT AND LOCKOUT ELECTRICAL POWER BEFORE ATTEMPTING ANY
SERVICE CAN CAUSE SHOCK, BURNS OR DEATH.
WARNING
Hazardous
voltage