OPERATION MANUAL
Dated: 02/10/2015
Document Name: 30-35ACi+&Deluxe_OM
Page 9 of 12
30ACi+, 30ACi Deluxe,
35ACi+ and 35ACi Deluxe
Battery Backup System
Register your product at www.sumpro.com
b. Possible loose AC output connection.
i. Check all AC output connections.
ii. Check main 15 amp circuit breaker to
the wall outlet.
7. Low Surge Power
a. Possible weak batteries or battery cables
are too long.
i. Refer to cable and battery
recommendation in this manual.
8. Inverter Overheats
a. Inverter is hot.
i. Reduce load and let the inverter cool
down.
9. If Pump Does Not Run and Hums
a. Inverter circuit breaker is off.
b. Water level in sump has not reached turn-
on level.
c. Pump cord is not making contact in
receptacle.
d. Switch may not be working properly.
i. Plug pump directly into wall outlet
without the switch plug. If pump runs,
the switch may need to be replaced.
e. If all of the above are OK, then the motor
could be malfunctioning.
10. Pump Runs but Does Not Deliver Water
a. Check valve is installed backwards. Arrow
on valve should point in direction of flow.
b. Discharge shut-off valve (if used) may be
closed.
c. Impeller or volute openings are fully or
partially clogged. Remove pump and clean.
d. Pump is air-locked. Start and stop several
times by plugging and unplugging cord.
Check for clogged vent hole in pump case.
Drill a 1/8 inch hole into PVC pipe.
e. Inlet holes in pump base are clogged.
Remove pump and clean the openings.
f. Vertical pumping distance is too high.
Reduce distance or change the discharge
fittings of the pump.
11. Pump Runs and Pumps Out Sump but Does
Not Stop
a. Unplug the pump/switch plug from the
inverter.
b. Plug the pump back into the switch plug
and plug the switch plug into a wall outlet.
i. If the pump does not turn on right
away, and the water level is not at the
On level, let the pump go through an
On / Off cycle a few times to insure
that the switch is functioning properly.
The basin may need to be filled with
a garden hose or bucket. Plug pump/
switch plug back into one outlet on the
inverter and test again.
ii. If the pump turns on right away, and
the water level is not at the On level,
the switch may have to be replaced.
12. Pump Runs but Only Delivers a Small
Amount of Water
a. Pump may be air-locked. Start and stop
several times by plugging and unplugging
cord. Check for clogged vent hole in pump
case. Drill a 1/8 inch hole into PVC pipe.
b. Vertical pumping distance may be too high.
Reduce distance or change the discharge
fitting of the pump. Inlet holes in pump base
are clogged. Remove pump and clean the
strainer and openings.
c. Impeller or volute openings may be fully or
partially clogged. Remove pump and clean.
d. Pump impeller is partially clogged with tar
or paint, causing motor to run slow and
overload Remove pump and clean.
