Section 9 − Maintenance & Troubleshooting; Routine Maintenance; Diagnostics - Miller 300739 Owner's Manual

SECTION 9 − MAINTENANCE & TROUBLESHOOTING

9-1. Routine Maintenance

n = Check
Every
Spool
of Wire
or Wire
Change
n~ Gun Liner
Every
3
Months
l Unreadable Labels
n 14-Pin Cord
Every
6
Or
Months
~ Inside Unit

9-2. Diagnostics

The following error messages are shown on the displays to indicate specific errors. Explanations are in the text below:
TRIG ERR
JOG ERR
PURG ERR
COOL ERR
TEST ERR.1 or
ERR.2
COMM ERR
1234 ERR.M
1234 ERR.F
R.Tac ERR
L.Tac ERR
G.Tac ERR
OM-273243 Page 30
~ = Clean l = Replace
~ Weld Terminals
n Gas Hose and Fittings
~ Drive Rolls
Indicates a trigger error. A trigger error occurs if the user has the trigger held for more than two
minutes without striking an arc. This error also occurs if the trigger is held when the feeder is powered
up. The error may be cleared by releasing the trigger.
Indicates a jog switch error. A jog switch error occurs if the user has the jog switch held for more than
two minutes. This error also occurs if the jog switch is held when the feeder is powered up. The error
may be cleared by releasing the jog switch.
Indicates a purge switch error. A purge switch error occurs if the user has the purge switch held for
more than one minute. This error also occurs if the purge switch is held when the feeder is powered
up. The error may be cleared by releasing the purge switch.
Indicates a water flow switch error. A water flow switch error occurs if no water flow is detected while
the trigger is pressed. Jog and purge switches will behave normally even if no water flow is detected.
Dip switch 2 on the motor control pcb must be set to enable this error. The error is cleared when wa-
ter flow is detected or when the error is disabled.
Indicates a power on self diagnostic test error. The number provides information regarding the error.
If this error occurs, contact a Factory Authorized Service Agent.
Indicates a serial communication error. A communication error occurs 2 seconds after a loss of com-
munication between the motor control pcb and the front panel pcb.
Indicates a motor control pcb error. If this error occurs, contact a Factory Authorized Service Agent.
Indicates a front panel pcb error. If this error occurs, contact a Factory Authorized Service Agent.
Indicates the right push motor tachometer circuit has an error.
Indicates the left push motor tachometer circuit has an error.
Indicates tachometer in push-pull gun has an error.
!
Disconnect power before maintaining.
nl Weld Cable l Cracked Parts
n Gun Cable