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ENGLISH
Jandy
®
TruDose
TM
Chemical Controller
|
Installation & Operation
Manual
Section 8. Chemical Pump Tube Troubleshooting
NOTE:
A leaking pump tube damages the metering pump. Inspect the pump frequently for leakage and wear.
Refer to the Tube Replacement section for additional safety precautions and instructions.
Problem
Possible Cause
Corrective Action
Tube leaking
Pump tube ruptured.
Replace pump tube and ferrules.
Calcium or mineral deposits.
Clean injection fitting, replace pump tube
and ferrules.
Excessive back pressure.
Ensure system pressure does not exceed
25 psi (1.7 bar) maximum.
Tube is twisted.
Replace pump tube and ferrules.
Tube not centered.
Replace pump tube and ferrules.
Tube life is shortened.
Incompatibility with fluid.
Check compatibility.
Mineral deposits at injection point.
Remove deposits, replace pump tube and
ferrules.
Sediment blockage at injection fitting.
Seized rollers caused abrasion on tube.
Exposure to heat or sun.
Maintain suction line 2-3" above bottom of
tank.
Clean roller assembly or replace.
Do not store tubes in high temperatures or
in direct sunlight.
Tube connection is
leaking.
Missing ferrule on suction or discharge
line.
Replace ferrule.
Crushed ferrule.
Replace ferrule.
Ferrule in wrong orientation.
Reverse orientation of ferrule.
