3. Unit is overheated, let unit cool down for at least 5 minutes. Make sure the unit has not been operated
beyond Duty Cycle limit, refer to technology parameters in Section 2.
4. Faulty components in unit, return for repair or have qualified technician repair per Service Manual.
F. Torch fails to ignite the arc when torch switch is activated
1. System is in SET mode
,
change to RUN mode.
2. Faulty torch parts, inspect torch parts and replace if necessary.
3. Gas pressure too high or too low, adjust to proper pressure.
4. Faulty components in unit, return for repair or have qualified technician repair per Service Manual.
G. No cutting output; Torch activated, power source on; Gas flows; Fan operates
1. Torch not properly connected to power supply, check that torch leads are properly connected to
power supply.
2. Work cable not connected to work piece, or connection is poor, make sure that work cable has a
proper connection to a clean, dry area of the workpiece.
3. Faulty components in unit, return for repair or have qualified technician repair per Service Manual.
4. Faulty Torch, return for repair or have qualified technician repair.
H.
Low cutting output
1. Incorrect setting of CURRENT (A) control, check and adjust to proper setting.
2. Faulty components in unit, return for repair or have qualified technician repair.
I. Difficult Starting
1. Worn torch parts (consumables), shut off input power. Remove and inspect torch shield cup, tip
and electrode. Replace electrode or tip if worn; replace shield cup if excessive spatter
adheres to it.
J. Arc shuts off during operation; arc will not restart when torch switch is activated.
1. Power Supply is overheated (OC/OT lamp on), let unit cool down for at least 5 minutes. Make sure
the unit has not been operated beyond Duty Cycle limit. Refer to Section 2 for duty cycle specifications.
2.
Gas
press
ure
too
low
(the
TIP/G
UN/G
AS
lamp
on
when
press
on
torch
switc
h is
on),
check
sourc
e for
at
least
4bar/
60psi;
adjus
t as
need
ed. It
is
Summary of Contents for SKYCUT 440
Page 15: ...NOTES...