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www.stenner.comEcon T
TROUBLESHOOTING – PUMP HEAD
PROBLEM POSSIBLE CAUSE SOLUTION
C
omponents are cracking Incompatibility with fluid Check compatibility
Visible fluid in pump head Pump tube rupture/leak Replace pump tube and ferrules
N
o pump output; Depleted solution tank Replenish solution
pump head rotates
Pump suction line weight is above solution Maintain suction line 2-3" off bottom of tank
Suction line leak Inspect or replace suction line
Ferrules installed incorrectly or damaged Replace compression ferrules
Injection point is clogged Inspect and clean injection point
Clogged suction/discharge tubing Clean and/or replace as necessary
Life of pump tube is exhausted Replace pump tube
Suction tubing is flush with the nose Pull suction tubing approximately 1" from
of the weighted strainer bottom of strainer; cut bottom of suction
tubing at an angle
Pump cover not secured properly Ensure that pump cover is properly latched
Low pump output; Pump tube is worn Replace pump tube
pump head rotates
Rollers worn or broken Install new roller assembly
Injection point is restricted Inspect and clean injection point
Incorrect tube size Replace tube with correct size
High system back pressure Confirm system pressure does not exceed
the pump tube pressure rating
Run time is too short Increase run time
Pump cover not secured properly Ensure that pump cover is properly latched
No pump output; Roller assembly is stripped Replace roller assembly
pump head doesn’t rotate
Faulty board Replace drive assembly
Drive assembly problem Refer to Troubleshooting – Drive Assembly
Operation mode set incorrectly Adjust mode of operation
Timers disabled Set timers
Pump is set to off Place pump in AUTO to run
programmed timers
Pump output is high Incorrect tube size Replace tube with correct size
Roller assembly is broken Replace roller assembly
Run time is too long Reduce run time
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