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Troubleshooting Chart
Message
Possible Cause(s)
BACK-UP PUMP
Pump Won't Run
1. Connections not secure
2. Low or defective battery
3. Float switch stuck
4. Defective or blown fuse
Motor Hums But Pump
1. Defective battery
Won't Run
2. Impeller is locked
Pump Runs But Pumps
1. Check valve missing or improperly installed
Very Little or No Water
2. Obstruction in discharge pipe
3. Discharge pipe length and/or height exceeds
4. Low or defective battery
5. Blocked vent hole
Pump Cycles Too
1. Check valve problem
Frequently
CONTROLLER
Flood Emergency
1. Inflow exceeds pump rating
2. Inflow exceeds pump rating
3. Battery has become depleted
Check AC Pump
1. Float stuck or obstructed
2. Switch defective
3. AC power interrupted
4. Inlet clogged
5. Defective pump
Check Back-up Pump
1. Defective pump
2. Pump jammed
Check BU Pump Fuse
1. Fuse blown
AC Power Failure
1. Defective wall transformer
2. GFCI Tripped
3. Circuit breaker tripped
4. Power outage
Less Than 1 Hr Run Time 1. Power outage
2. Extended power outage
Replace Battery
1. Battery weak
2. Battery more than 5 years old
3. Discharged and left uncharged for more than 3 days
4. Charging cycles exceed max
Replace/Inspect Float
1. Float stuck
2. Float defective
Check Power Supply
1. Wall transformer defective
Model RSM3300 – Operating Instructions and Parts Manual
capacity of pump
Ridge Tool Company
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 controller lid. Pull
the transformer from the wall outlet and remove. If the
fuse is blown, replace with onboard 20 amp automotive
type fuse or equivalent
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 check 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
5. Check to make sure the back-up pump is not air locked.
Locate the vent hole, inspect, and clear the hole using a
pipe cleaner
1. Check to make sure check valves installed between
primary pump discharge and back-up sump pump are
functioning properly
1. Restore AC pump
2. Incorporate auxiliary pump
3. Replace battery
1. Free float
2. Replace switch
3. Reset breaker or GFCI outlet
4. Clear debris
5. Replace pump
1. Replace pump
2. Clear obstruction
1. Replace fuse
1. Replace wall transformer
2. Check for moisture and reset
3. Reset breaker
4. Notify Utilities Company
1. Notify Utilities Company
2. Prepare spare battery
1. Replace battery asap
2. Replace battery
3. Replace battery
4. Replace battery
1. Clear float and debris
2. Replace float
1. Replace wall transformer
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