Polysoude PS 254 - Page 66

MAN. PS 254 EN – Ind. 2 65
defect cause What to do
Some parameters stored on
the memocard have been
altered
- Memocard defect - Use new memocard to store
programs
Impossible to modify values
of weld parameters (buttons
""+"" and ""-"" are not
working)
- - Key-operated switch SY 25 in position
""modification not allowed""
- Put the switch in the
""modifications allowed""
position
Some buttons of the
programming keyboard
don't answer
- keyboard defect
- card 217 00 634 defect
- can only be checked by a
qualified electrician
- change card
Display dark - electric supply card + 5 V defect
- RAM memory on the card 217 00 633 defect
- Fuse FU 1 or FU 2 defect
- check fuse and change
- change card or RAM memory
- Check and change
Impossible to start a weld
cycle (the indicator LED on
the remote control pendant
is flashing)
- wrong wiring of the cable connection of the manual
toch
- card 217 00 633 defect
- check program number (§ 3.3.1)
Impossible to start a weld
cycle with a manual torch
- wrong wiring of the cable connection of the manual
toch
- card 217 00 633 defect
- check and change
- change card
Distortion of the display
during ignition of the arc
- electric supply card + 5 V defect - check fuse and change
Poor gas flow - gas conduit inside the welding head clogged
- gas flowmeter defect
- solenoid gas valve defect
- check and clean
- can be checked only by a
qualified specialist
- can be checked only by a
qualified specialist
Any rotation movement
(welding head) or wire
feeding, any error message
appears
- shear pin broken - replace shear pin (see operation
manual of the welding head or
wire feeder for details)