Trouble Shooting Common To Exactus Series Pumps; Mechanical Faults; Electrical Faults - Astralpool EXACTUS Serie Normas Para La Instalacion, Uso Y Mantenimiento

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10.0 - COMMON TROUBLE-SHOOTINGS

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. 12), 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.
- 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. 12). Should the valves
be swollen, check valves material against our chemical resistance compatibility chart and fit correct
valves. Standard valves are Viton. Upon request Silicon, EPDM (Dutral), Nitryl and valves, ball check valve,
K 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.

10.2 - ELECTRICAL FAULTS

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.
GREEN LED (POWER) ON, RED LED (PULSE) OFF, THE PUMP DOES NOT PULSE
Press the START button. If the pump doesn't work contact manufacturer Customer Service, Dealer or Distributor
PUMP PULSES ARE NOT CONSTANT
Check that supply voltage is within +/- 10% of rated voltage.
THE DOSING PUMP GIVES ONLY ONE PULSE
Disconnect the equipment and contact manufacturer Customer Service, Dealer or Distributor.
.
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Exactus vft/mbbExactus ma/adlExactus ma/mbExactus cc/m

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