Lowara GEM Instrucciones Para La Instalación Y El Uso página 75

9. A pump of the
module does not restart
after being stopped.
10. The electric pump
motor vibrates.
11. The panels do not
switch on
12. The main electric
pump does not start
13. The electric jockey
pump does not start
14. The electric jockey
pump does not stop
15. Self-test failed
1. Motor fuses burnt out
2. The coil of the contactor is not
powered
3. Coil of the contactor broken
4. The relative control pressure switch
does not detect pressure
5. The control pressure switch is faulty
1. A motor fuse is burnt out
2. Base of fuse holder loose or defective
3. Contacts of the relative contactor worn
or defective
4. Pump blocked
5. Worn bearings.
6. Broken electrical cables
1. No mains power supply
2. Blown fuse inside panel
3. Overload protection triggered (only for
jockey pump panels)
1. No mains power supply
2. Key-operated selector switch set to "0"
3. Fuse blown
4. Incorrect pressure switch calibration
1. No mains power supply
2. Fuse blown
3. Overload protection triggered
4. Faulty pressure switch
5. Pressure switch not connected
6. Incorrect pressure switch calibration
7. Tank liquid level is too low
8. Electric sensors not connected
9. No jumper between terminals 3-4
1. Faulty pressure switch
2. Incorrect pressure switch calibration
3. Faulty electronic control board
1. Pump running pressure switch faulty
2. Pump – motor coupling damaged
3. Faulty electric motor
Replace these.
Use a tester to check the electrical circuit up to the coil
and make any necessary repairs.
Replace it.
Remove and clean the coupling sleeve.
Replace it.
Replace it.
Refasten it if loose. Replace it if defective.
Replace the contactor.
Unblock it.
Replace these.
Check and repair these.
Power the unit
Replace fuse
Rearm the protection
Power the unit
Set key-operated selector switch to "AUT" or "MAN"
Replace the fuse
Recalibrate the pressure switch
Power the unit
Replace the fuse
Rearm the protection
Replace the pressure switch
Connect the pressure switch
Recalibrate the pressure switch
Fill the primary water supply tank or adjust the
sensitivity of the sensors
Connect the electric sensors
Insert the jumper
Replace the pressure switch
Recalibrate the pressure switch
Replace the electronic board or calibrate the timers
Replace the pressure switch
Replace the coupling and realign the pump - motor
Replace the motor
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