No. P10355
|68 |
12. MAINTENANCE AND TROUBLESHOOTING (continued)
12.5 Troubleshooting
When an error code is displayed, refer to Section 11.1, “How To Solve an Error”.
x Check the troubleshooting information listed below before contacting your dealer for
service.
No. Trouble Cause Solution
1
The power
switch on the
front panel is
tripped.
Never turn it on again. Contact your dealer.
When turning on the
power switch, the
displays light.
Trouble with PL1. Inspect PL1.
The line disconnect switch in
the switch box is not turned
on.
Inspect the power
box.
2
The main
power lamp
PL1 will not
light.
When turning on the
power switch, nothing
appears in the display.
The input cables are not
surely attached.
Inspect the input
cables.
The main power lamp
PL1 will not light.
Refer to No.2 in this list.
Shortage of the input voltage Check for proper
input voltage.
3
When turning
on the power
switch,
nothing
appears in the
display.
PL1 lights.
Trouble with the power
circuit.
After inspecting
PCB P10263Q
and P10322X,
replace them if
necessary.
4
When turning on the power switch, the
WARNING and TEMPERATURE lamps
light up and an error code appears in
the display,
Refer to Section 11.1, “How
To Solve an Error”.
The discharge valve of the
gas cylinder is closed.
Open the valve.
Lack of gas pressure of the
gas cylinder.
Check for proper
gas pressure.
Gas is not generated
when the GAS CHECK
key is pressed.
Trouble with the gas
electromagnetic valve SOL.
Inspect the gas
electromagnetic
valve SOL.
5
Shield gas is
not generated
when the torch
switch is
pressed.
Gas is generated
when the GAS CHECK
key is pressed.
Disconnection of the torch
switch cable or incomplete
insertion to receptacle.
Check the wiring
number 306 and
307.
The GAS CHECK lamp lights
up.
Stop gas checking
by pressing the
GAS CHECK key.
6 Shield gas does not stop.
Trouble with the gas solenoid
valve SOL
Check for
operation of the
gas solenoid valve
of wire feeder.
Trouble with the inverter
main circuit
Turn off the power
switch, then
contact your
dealer.
7
When the torch switch is pressed, no-
load voltage is not output but shield gas
is generated.
Trouble with the control
circuit
After inspecting
PCBP10264P or
P10352 replace it
if necessary.
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