Espa VIGILARAIN M A Manual De Instrucciones página 13

8. TROUBLESHOOTING
1) The pump does not start.
2) The pump works but does not produce any flow
3) The flow does not match the supplied curve
4) The pump stops automatically.
1 2 3 4 POSSIBLE PROBLEM
X No electricity
X Drop in the well water level
Voltage error
X
X Total manometric head greater than foreseen Check geometric height plus head loss
Thermal protection activated
X
Discharge line disconnected
X
Insufficient well flow
X
Water intake filter clogged
X
X Stop caused by level probes
X Check valve installed in the wrong direction
Wear in the hydraulics
X
X X Capacitor not properly connected (version II)
X Faulty discharge line
Power cable cut
X
9. TECHNICAL DATA
Liquid temperature: ..........................4ºC - 40ºC
Ambient temperature: ......................0ºC - 40ºC
Storage temperature: ................... -10ºC - 50ºC
SOLUTIONS
Check fuses and other protection devices
Check that the pump is completely submerged
Check that the voltage is the same as indicated
on the name plate
Reset the thermal protection or wait for it to cool
Connect this line to the outlet of the pump
Install the gate valve on the outlet to reduce the
flow of the pump
Clean intake filter
Wait for the well to recover
Install the valve in the opposite direction
Contact an Official Repair Center
See wiring diagram
Replace the line with a new one
Check the power cable
Ambient relative humidity, max.: ................ 95%
Motor class I.
Other data see Figure 5.
13
EN