Lowara GEMK Serie Instrucciones Para La Instalación Y El Uso página 124

8. Alternating voltage
failure alarm
9. A battery voltmeter
shows no voltage
10. Internal battery
charger alarm (alarm
LED on)
11. Internal battery
charger off (LEDs off)
12. With the selector
switch in MAN position
and the START button
depressed, the diesel
pump does not start
13. With the selector
switch in "AUT" position
and the start contact
active the diesel pump
does not start
14. Diesel pump does
not start in either
Automatic or Manual
mode
15. It does not start in
automatic mode from
the level switch control
16. It does not start in
automatic mode from
the pressure switch
control
17. The diesel pump
does not start from any
of the controls or it
starts only from one of
the two batteries.
18. The diesel pump
does not stop when the
STOP button is
pressed
1. Line power failure
2. Handle in OFF position
3. QU1 fuse carrier open or
blown fuses
1. Battery disconnected.
2. Battery charger instrument
damaged
1. Reversed polarity
2. Battery disconnected
3. Shorted terminals
4. Battery voltage too low
1. Line power failure
2. Handle in OFF position
3. QU1 fuse carrier open or
blown fuses
4. Starting relay blown
1. Batteries discharged or
disconnected
2. Both starting relays blown
3. Control unit faulty
1. Batteries discharged or
disconnected.
2. Both starting relays blown
3. Control unit faulty
4. Incorrect programming of
control unit
5. Starting contact reversed
1. Battery discharged or with
reduced capacity.
1. Level switch malfunctioning
1. Pressure switch circuit
malfunctioning
1. Starting relay
1. KA1 relay faulty
2. Failure of the electric stop
device located on the engine
3. Control unit faulty
4. The engine pick-up is
disconnected or damaged
Check the line wire and voltage.
Set handle to ON.
Check the fuse carrier and, if necessary, replace the fuses.
Connections to battery terminals corroded or loose.
Clean, examine and tighten the nuts on the battery terminals.
Replace the cable terminals and nuts if they are too
corroded.
Install a new battery if not present.
Replace
Disconnect the battery and reconnect properly
Connections to battery terminals corroded or loose.
Clean, examine and tighten the nuts on the battery terminals.
Replace the cable terminals and nuts if they are too
corroded.
Install a new battery if not present
Replace the battery or, if it is still efficient, restore the
connections.
Replace the battery
Check the line wire and voltage
Set handle to ON
Check the fuse carrier and, if necessary, replace the fuses
Replace
Connections to battery terminals corroded or loose.
Clean, examine and tighten the nuts on the battery terminals.
Replace the cable terminals and nuts if they are too
corroded.
Install a new battery if none is present or if the one being
used is discharged.
Replace.
Replace.
Connections to battery terminals corroded or loose.
Clean, examine and tighten the nuts on the battery terminals.
Replace the cable terminals and nuts if they are too
corroded.
Install a new battery if none is present or if the one being
used is discharged.
Replace.
Replace.
Refer to authorized personnel.
Refer to authorized personnel
Power the panel and charge the batteries. Disconnect the
power supply, read the voltage value and compare it one
hour later. The voltage should remain above 12V.
Check the battery voltage during the start-up stage. Check
the battery charge.
Check the level switch connection and remove any jumper.
Check the condition of the electrical contacts of the level
switch. Replace if it continues to malfunction
Refer to authorized personnel
Check the pressure switch status, connection and contacts.
The start command is generated when the contact between
the terminals is open.
Refer to authorized personnel
If the batteries are efficient and no attempt is made to start,
check the starting relays.
Refer to authorized personnel
Refer to authorized personnel
Refer to authorized personnel
Refer to authorized personnel
Refer to authorized personnel
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