Generator Maintenance - Cebora SYNSTAR 270 T Manual De Instrucciones

changed and confirmed by pressing the knob B for less
than 2 seconds.
• Water unit.
This function allows the setting of the cooling unit start-
up. The possible selections are: OFF – ON – AUTO, the
default selection is OFF. If "AUTO" is selected, when
the machine is switched on, the cooling unit starts,
if the torch trigger is not pressed after 30 seconds,
it shuts off. By pressing the torch trigger the group
starts again and shuts off 3 minutes after releasing
the trigger.
• LCD Contrast
The adjustment may range from 0 to 100%.
This function can be used to increase or decrease the
brightness of display screen A.
To access this function, simply highlight it using the
knob B and press it for less than 2 seconds. The display
screen A shows the adjustment bar. The figure can be
changed and confirmed by pressing the knob B for less
than 2 seconds.
• Options LOCK
To access this function, simply highlight it using the
knob B and press it for less than 2 seconds. The display
screen A will show a serial number SN and 8 zeros.
The purpose of this function is to unlock all the synergic
curves of the pulsed process.
To unlock the curves, instead of the zeros, an
alphanumeric code must be entered. This must be
requested from your dealer, after indicating the serial
number SN.
Once the code has been obtained, simply enter it in
place of the zeros: each letter or figure entered must be
confirmed by briefly pressing the knob B. After entering
the code, by pressing the knob B for more than 2
seconds, all the Pulsed process curves are unlocked
and the display screen A shows UNLOCK alongside
the Options function.
16
• Factory OFF
The purpose is to return the welding machine to the
original default settings.
To access the function, simply highlight it using the
knob B. By pressing this for less than 2 seconds, the
display screen A shows the words OFF and ALL. By
highlighting the word ALL and briefly pressing the
knob B reset is made and the display screen A shows
Factory Done!! This indicates the reset has been
successful. To return to the previous display page,
simply press the knob B for more than 2 seconds.
NOTE. For all the functions adjusted by means of the
adjustment bar, the initial default value can be reset.
This operation be performed by pressing the knob B
for more than 2 seconds only once the adjustment bar
appears on the display screen A.
(Arc Lenght - Spot Time - 3L- HSA - CRA - Pause Time -
Inductance, Burnback – Soft Start - Pre Gas - Post Gas
- LCD Contrast).
7 MAINTENANCE
All maintenance jobs must be performed by
professional personnel according to the CEI 26-29
(IEC 60974-4) standard.

7.1 GENERATOR MAINTENANCE

In case of maintenance inside the appliance, make sure
the switch F is in "O" position and that the power supply
cable is disconnected from the mains.
Periodically, also clean the inside of the appliance and
remove any metal dust using compressed air.
7.2 HOW TO PROCEED AFTER MAKING REPAIRS.
After making repairs, always ensure the wires are fully
insulated between the primary side and the secondary
side of the machine. Avoid the wires coming into contact
with moving parts or parts that heat up during operation.
Fit all the clamps back as on the original machine so as to
avoid any contact between the primary and secondary in
case of accidental lead breakage or disconnection.
Also fit the screws back on with the toothed washers as
on the original machine.