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Batteries
Dangerous hydrogen gas CAn be
released from batteries while
charging. Sparks CAn ignite the gas in an enclosed space.
Wear safety goggles when connecting batteries. Battery
connections SHoULD be made in a well ventilated area.
Working in the vicinity of lead acid
batteries CAn be dangerous. Before
making connections or servicing the batteries, read and
follow instructions in all applicable instruction manuals.
to reduce the risk of battery explosion, follow the
instructions in this manual and those published by the
battery manufacturer, as well as those of any equipment
used in the surrounding area.
Troubleshooting Chart
Symptom
Pump won't run
Motor hums but
won't run
Pump runs but pumps
very little or no water
Pump cycles too
frequently
Power failure light is
on but A/C power is
available
Model RBSU25 – Operating Instructions and Parts Manual
Possible Cause(s)
1. Connections not secure
2. Low or defective battery
3. Float switch stuck
4. Defective or blown fuse
5. Battery voltage below threshold,
motor locked out
1. Defective battery
2. Impeller is locked
1. Check valve missing or improperly
installed
2. Obstruction in discharge pipe
3. Discharge length and/or height
exceeds capacity of pump
4. Low or defective battery
1. Check valve problem
1. Transformer is bad
2. Bad or no connection
3. Branch circuit breaker/fuse blown
Ridge Tool Company
If battery acid contacts your eye(s),
flush with cold running water for 10
minutes and seek immediate medical attention. If acid
contacts your eyes, skin or clothing, wash immediately
with soap and water.
never smoke or allow a spark or flame
in the vicinity of the battery.
Avoid dropping metal tools on the
battery posts because they may
spark or short-circuit the system or battery, causing an
explosion.
Follow battery manufacturer's maintenance procedures
and schedules. Be certain that the area around the
batteries is well ventilated. Before servicing the batteries,
blow away gasses by waving a piece of cardboard near the
batteries.
Corrective Action
1. Check all connections
2. Check battery and replace if low or defective
3. Make sure nothing is interfering with operation of
switch
4. Check internal fuse located inside the control box. Pull
the transformer from the wall outlet and remove. If the
fuse is blown, replace it with a 20 amp automotive type
fuse
5. Wait for battery to recharge or replace with fresh
battery
1. Check battery and replace if low or defective
2. Unplug pump, remove screen, and check to see if
impeller is free to turn. If impeller is locked, remove
the 7 screws on the bottom of the pump to release the
housing around the impeller. Remove the obstruction.
Reassemble pump and reconnect
1. Check to make sure valves installed between primary
pump discharge and back-up sump pump are
functioning properly
2. Check for obstruction and clear if necessary
3. If discharge is too high, a separate line may be required
with a lower discharge height
4. Check battery and replace if low or defective
1. Check to make sure valves installed between primary
pump discharge and back-up sump pump are
functioning properly
1. Replace transformer
2. Check that A/C plug and transformer connection at lid
are secure
3. Reset breaker or replace fuse
5
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