GYS FLEX 250 CEL Mode D'emploi page 17

Functions
Manual remote control (ref.045675) / Pedal (ref.045682):
The remote control enables the variation of current from minimum intensity (DC: 10A / MMA: 10A) to an intensity
defined by the user.
In this configuration, all modes and functions of the machine are accessible and can be set.
TROUBLESHOOTING
Anomalies
The device does not deliver any
current and the yellow indicator
lamp of thermal defect (6) lights
up.
The display is on but the device
does not deliver any current.
If, when the unit is on and you put
your hand on the welding unit's
body, you feel tingling sensation.
The display is on but the device
does not deliver any current.
When starting up,
the display indicates
Instable arc
The tungsten electrode gets
oxidised and tern at the end of
welding.
The electrode melts
FLEX 250 CEL
Causes
The welder thermal protection has
turned on.
The cable of the earth clamp or
electrode holder is not connected
to the welder.
The welding unit is not correctly
connected to the earth.
The cable of the earth clamp or
electrode holder is not connected
to the welder.
The voltage is not included in the
. range 400V +/- 15%
Default coming from the tungsten
electrode
Too important gas flow rate
Welding zone
Default coming from post-gas or
the gas has been stopped prema-
turely.
Polarity error
Remedies
Wait for the end of the cooling
time, around 2 minutes. The indi-
cator lamp (6) turns off.
Check the connections.
Check the plug and the earth of
your electrical network.
Check the connections.
Have the electrical installation
checked.
Use a tungsten electrode with the
adequate size
Use a well prepared tungsten
electrode
Reduce gas flow rate
Protect welding zone against air
flows
Check and tighten all gas connec-
tions. Wait until the electrode cools
down before stopping the gas.
Check that the earth clamp is
really connected to +
EN
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