Aligning Drive Rolls And Wire Guide; Error Messages - Miller Millermatic 255 Owner's Manual

8-4. Aligning Drive Rolls and Wire Guide

Tools Needed:

8-5. Error Messages

Message
Overtemp
Please wait while the welder cools
down
S Inverter Module S Output Rectifier
S Secondary Magnetics
Trigger Error
Release MIG gun trigger
.
A complete Parts List is available at www.MillerWelds.com
Correct
4
3
2
1
Error
Internal temperature of welder has exceeded the
maximum limit.
MIG gun trigger is engaged on power up.
MIG gun is held during jog for more than 17 feet
of wire.
MIG gun trigger is engaged for more than 1 sec-
ond after the arc is broken.
After an overtemp error, the MIG gun trigger is
held after the welder has completed cooling.
MIG gun trigger is engaged while another
process is selected.
MIG gun trigger leads are shorted together.
Incorrect
5
Wait for unit to cool down. If the fan is not run-
ning, contact authorized Miller service center.
Release 4-pin trigger to clear error.
!
Turn Off power.
View is from top of drive rolls
looking down with pressure
assembly open.
1 Drive Roll Securing Nut
2 Drive Roll
3 Wire Guide
4 Welding Wire
5 Drive Gear
Insert screwdriver, and turn screw
in or out until drive roll groove lines
up with wire guide.
Close pressure roll assembly.
Ref. 800 412-A
Remedy
OM-279299 Page 45