THE ART OF WELDING
P6 HW
PN-0110008 Rev. 12 71-100
Troubleshooting guide6. 2. 3.
Defects occurring during operation
Problem (Consequence) Possible causes What to do
Impossible to switch the power
source on
Fuse FU1 defect. Replace (chap. 6.2.1).
Plugs or mains supply cables defect. Replace.
Remote control defect (emergency
stop button locked).
Check and correct or replace.
Main switch defect. Check or replace.
Circuit breaker (outside the
power source) releases if the
power source is switched on
Unsuitable circuit breaker.
Install a circuit breaker of 32 A (with D
characteristic) for 400 V mains supply
(see rating plate).
The cycle or a movement (rota-
tion, wire, gas, coolant) starts
on its own
The power source is not connected
to the earth.
Correct.
Remote control defect. Check and correct or replace.
Cable shielding of the remote con-
trol damaged.
Replace the cable.
Remote control card 0028049100
defect.
Replace.
Some buttons of the remote
control pendant are inoperative
Remote control defect. Check and correct or replace.
Remote control card 0028049100
defect.
Replace.
No display on the remote con-
trol or no backlighting
Remote control card 0028049100
or display adapter 0028209200 de-
fect.
Replace.
The parameter value cannot be
modifi ed (buttons "+" and "-"
inoperative)
WP confi guration set to
"modifi cations not allowed".
Change the selection.
Touchscreen is illuminated but
inoperative
Touchscreen controller RS232 defect.
Contact Polysoude After Sales Serv-
ice.
Nothing displayed on the touch-
screen
Connector J17 on the card LVDS
0028069100 is unplugged.
Check.
Card LVDS 0028069100 defect. Replace.
No cycle start possible with a
manual torch
Bad connection of the manual torch
plug or wrong cabling.
Check and correct.
Gas fl ow rate too low
(Immediate stop)
Gas channel inside the welding head
blocked.
Check, clean.
Gas safety device defect.
Must be checked and, if necessary, re-
placed by a qualifi ed electrician.
Gas solenoid valve defect.
No rotation (head or wire feed
unit) without error message
Shear pin of the welding head or
wire feed unit broken.
Replace (consult operating manual of
the head or the wire feed unit).
Power source converter cards
0028019100 (rotation and/or wire
feeding) defect.
Replace.
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