To Next Page

To Previous Page

Performance

Symptom Solution

MixingStirrer speed

too slow

Haveaqualiedtechniciancheckthe

function of the stirrer speed controller.

FlowPumpow

too low

If theuidmovesbackandforthinthe

pump inlet or pump outlet tubing, partic-

ulates may be impairing the pump check

valves from closing. Ensure pump check

valvesareclean.Seecheckvalveushing

procedure in maintenance section “Pump

check Valve Flushing” of this manual.

If ushingthecheckvalvesdoesnotelim-

inate the problem, replace pump check

valves. See check valve replacement proce-

dure in maintenance section “Diaphragm

Pump Maintenance” of this manual.

Haveaqualiedtechniciancheckthe

function of the pump speed controller.

No Flow (Pump

operating)

Ensure tank outlet valve is open.

Excessive pulsation If theuidmovesbackandforthinthe