ProMinent
®
Page 34
Troubleshooting
12 Troubleshooting
WARNING
• Always take suitable precautions when using hazardous chemicals!
• Ensure the equipment is de-pressurised before working on the pump!
gamma/ L does not prime despite full stroke and bleed function
Cause Crystalline deposits on the ball seat because valves have dried out
Remedy S Remove the suction sleeve from the chemical supply container and rinse out the liquid end
thoroughly
S If still unsuccessful, dismantle valves and clean (see section 10)
Fluid is seeping from the top plate
Cause The liquid end is not sealed against the pump diaphragm
Remedy S Tighten screws in the liquid end (see section 10)
S If unsuccessful, replace the diaphragm (see section 11)
Green LED indicator (operating display) is not lit
Cause Incorrect or no mains voltage
Remedy S Use the recommended mains voltage as given in the voltage specification on the nameplate
Error Messages
Red LED display is lit, “Error” and “MINIM” flash in the display
Cause Fluid level in the chemical storage tank has reached “liquid level low, stage 2”
Remedy S Fill the chemical supply container
Red LED display is lit, “Error” and “ANALG” flash in the display
Cause gamma/ L is in “analogue” operating mode, a fault routine has been programmed in the
ANALOGUE menu and the operating current has fallen below 3.8 mA
Remedy S Remedy low operating current
S Switch fault routine “OFF” (see Section 7.4.2.)
Red LED display is lit, “Error” and “CNTCT” flash in the display
Cause gamma/ L is in “contact” or “batch” operating mode and the extended function “memory” has
been set.
In addition a very large factor has been entered, too many contacts have been input or the P-
key has been pressed too often, resulting in an overflow of the stroke memory.
Remedy S Press the P-key
S Change gamma/ L set up
Red LED display is lit, “Error” and “FLOW” flash in the display
Cause Dosing monitor not properly connected
Remedy S Connect dosing monitor properly
S Press P-key
Cause Dosing monitor has reported more defective strokes than have been set in the FLOW menu
Remedy S Press P-key
S Investigate the cause and remedy
All other Errors
Please contact your ProMinent branch or representative!
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