Mechanical Faults; Electrical Faults - Astralpool EXACTUS Série Notice D'installation, Emploi Et Entretien

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10.0 - TROUBLE-SHOOTING COMMON TO EXACTUS pH-RX SERIES PUMPS

10.1 - MECHANICAL FAULTS

As the system is quite robust there are no apparent mechanical problems. Occasionally there might be a loss of

liquid from the nipple because the tube nut has loosened, or more simply the discharge tubing-has broken.

Very rarely there may be losses caused by the breakage of the membrane, or by the membrane seals in which

case they have to be replaced by disassembling the four screws of the pump head fig. 11), when re-mounting

the pump head ensure that the screws are replaced properly, along with "O" ring.

After repair, the metering pump will need to be cleaned of additive residues which can damage the pump cas-

ing.

❶

THE METERING PUMP GIVES PULSES BUT THE ADDITIVE IS NOT INJECTED

a. Dismount the suction and discharge valves, clean them and replace, see position (fig. 11). Should the valves be

swollen, check valves material against our chemical resistance compatibility chart and fit correct valves.

Standard valves are Viton. Upon request ball check valve, can be supplied.

b. Check clogging of the filter.

ATTENTION: When removing the metering pump from the plant, be careful as there might be some residual

additive in the discharge hose.

❶

ALL LEDS OFF, THE PUMP DOES NOT PULSE

Check power supply (socket, plug, power switch ON ), if the pump doesn't work contact manufacturer Customer

Service, Dealer or Distributor.

❷

GREEN LED (POWER) ON, RED LED (PULSE) OFF, THE PUMP DOES NOT PULSE

Check that the pump is not in Alarm (yellow LED flashing, on display LEVEL has appeared), verify the calibration's

parameters. If the pump doesn't work contact Manufacturer Customer Service, Delear or Distributor.

❸

PUMP PULSES ARE NOT CONSTANT

Check that supply voltage is within +/- 10% of rated voltage.

❹

THE DOSING PUMP GIVES ONLY ONE PULSE

Disconnect the equipment and contact manufacturer Customer Service, Dealer or Distributor.

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