Stenner ECON LD Serie Manual De Instalación Y Mantenimiento página 19

TROUBLESHOOTING – PUMP HEAD
PROBLEM
Components are cracking
Visible fluid in pump head
No pump output;
pump head rotates
Low pump output;
pump head rotates
No pump output;
pump head doesn't rotate
Pump output is high
POSSIBLE CAUSE
Incompatibility with fluid
Pump tube rupture/leak
Depleted solution tank
Pump suction line weight is above solution
Suction line leak
Ferrules installed incorrectly or damaged
Injection point is clogged
Clogged suction/discharge tubing
Life of pump tube is exhausted
Suction tubing is flush with the nose
of the weighted strainer
Pump cover not secured properly
Pump tube is worn
Rollers worn or broken
Injection point is restricted
Incorrect tube size
High system back pressure
Pump cover not secured properly
Potentiometer set incorrectly
Roller assembly is stripped
Faulty board
Drive assembly problem
Potentiometer set incorrectly
Incorrect tube size
Roller assembly is broken
Potentiometer set incorrectly
USA and Canada 800.683.2378, International 904.641.1666
SOLUTION
Check compatibility
Replace pump tube and ferrules
Replenish solution
Maintain suction line 2-3" off bottom of tank
Inspect or replace suction line
Replace compression ferrules
Inspect and clean injection point
Clean and/or replace as necessary
Replace pump tube
Pull suction tubing approximately 1" from
bottom of strainer; cut bottom of suction
tubing at an angle
Ensure that pump cover is properly latched
Replace pump tube
Install new roller assembly
Inspect and clean injection point
Replace tube with correct size
Confirm system pressure does not exceed
80 psi (5.5 bar)
Ensure that pump cover is properly latched
Adjust potentiometer
Replace roller assembly
Replace drive assembly
Refer to Troubleshooting – Drive Assembly
Adjust potentiometer
Replace tube with correct size
Replace roller assembly
Adjust potentiometer
19
Econ LD