Specifications

Always check unit before applying power (see Sections 6-1 thru 6-18).
TM-229 409 Page 35Extreme 360
Trouble Remedy
Erratic or improper weld output. Use proper size and type of weld cable (see Section 3-4).
Clean and tighten all weld connections.
Check for proper input and output connections.
Replace electrode.
If a remote accessory is connected to remote 14 receptacle RC50:
Check all remote accessory connections (proper pin/socket alignment).
Check accessory amperage control potentiometer resistance and connections,
and replace if necessary.
Check input and output voltages of hall device HD1 (see Section 6-24). Replace HD1 if necessary.
Check control/auxiliary power board PC1 and connections, and replace if necessary (see Pre-Power
Checks in Sections 6-13 thru 6-18, and also see Section 6-25).
Check front panel/display board PC3 and connections, and replace if necessary (see Section 6-29).
Fan motor does not run after approxi-
mately four minutes of operation at
rated load.
Check and clear blocked fan blade
Check receptacle wiring and connections. Check thermistors RT-1 and RT-2 (see Section 6-24).
. Fan motor FM1 starts and meters display HELP-2 when RT-1 or RT-2 is disconnected from PC1.
When RT-1 or RT-2 is reconnected, the meter displays change but the fan continues to run (see Sec-
tion 6-22).
Check fan motor FM (see Section 6-24) and replace fan motor if necessary.
Wandering arc; poor control of arc
direction
Use proper size tungsten.
direction.
Use properly prepared tungsten.
Reduce gas flow rate.
Tungsten electrode oxidizing and not
remaining bright after conclusion of
Shield weld zone from drafts.
rema
i
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i
ng
b
r
i
g
ht
a
ft
er conc
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us
i
on o
f
weld.
Increase postflow time.
Check and tighten all gas fittings.
Water in torch. Refer to torch manual.