Troubleshooting Chart - Lumax LX-1360 Manual Operativo

Problems and Solutions: For any problems contact the authorized dealer
nearest you.
Problem
The Motor
is not Rotating
The Motor Turns
Slowly when Starting
Low or No Flow Rate
Increased Pump
Noise
The Pump Does Not
Prime
Leakage from the
Pump Body
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TROUBLESHOOTING CHART

Probable Cause
Lack of Electric Power
Rotor Jammed
Burned Fused
Motor Problems
Low Voltage in the Electric
Power Line
Low Level in the Suction Tank
Foot Valve Blocked
Filter Clogged
Excessive Suction Pressure
High Loss of Head in the Delivery
Circuit (with the By-Pass Open)
By-Pass Valve Blocked
Air Entering the Pump or the
Suction Piping
A Narrowing in the Suction Piping
Low Rotation Speed
The Suction Piping is Resting on
the Bottom of the Tank
Cavitation Occurring
Irregular Functioning of the
By-Pass
Presence of Air in the Fluid
Suction Circuit Blocked
Malfunction of Foot Valve fitted
on Suction Circuit
The Suction Chambers are Dry
The Pump Chambers are Dirty
or Blocked
Seal Damaged
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and the Products described in it are Copyrighted by Lumax
Corrective Action
Check the Electrical Connections and
the Safety Systems
Check for Possible Damage or
Obstruction of the Rotating Components
Replace Fuse
Replace Unit
Bring the Voltage Back within the
Stated Limits
Refill the Tank
Clean and/or Replace the Valve
Clean the Filter
Lower the Pump with respect to the
Level of the Tank or Increase the
Cross-Section of the Piping
Use Shorter Piping or of Greater Diameter
Dismantle the Valve, Clean and/or Replace it
Check the Seals of the Connections
Use Piping Suitable for Working
under Suction Pressure
Check the Voltage at the Pump.
Adjust the Voltage and/or use Cables
of Greater Cross-Section
Raise the Piping
Reduce Suction Pressure
Dispense until the Air is Purged from
the By-Pass System
Verify the Suction Connections
Remove Blockage from the Suction Circuit
Replace Foot Valve
Add Liquid from Pump Delivery Side
Remove the Blockages from the
Suction and Delivery Valves
Replace Unit
®
, with
®
9
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