Error Messages - Miller Multimatic 255 Owner's Manual

7-5.

Error Messages

Message
Overtemp-Please wait while the weld-
er cools down.
Boost Module* Inverter Module * Out-
put Rectifier * Secondary Magnetics
Trigger error-Release MIG gun trigger
to clear error.
Trigger Error-Release Spool Gun trig-
ger/Release Push-Pull trigger.
Foot Pedal Error
Release TIG Foot Pedal
Gun Error XR-A Python S XR Edge S
XR A S XR-A AlumaPro Plus
Gun Error
Remove MIG gun
Remove spool gun
Remove push-pull gun
Shorted output-First remove short,
then pull trigger to clear error.
Motor or Motor Tach error-Motor has
drawn too much current.
* Internal motor has stalled * Internal
motor has drawn too much current *
Remote motor has stalled * Motor tach
is running too slow or is damaged.
Fan error-Either the top fan or the bot-
tom fan is running too slow or is
damaged.
OM-278174 Page 58
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Error
Internal temperature of welder has exceeded the
maximum limit.
MIG gun trigger is engaged on power up.
MIG gun trigger 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 proc-
ess is selected.
MIG gun trigger leads are shorted together.
The 10-pin trigger is engaged on power up.
Trigger held too long during jog mode. Spool gun
for more than 10 seconds. Push-pull gun for
more than 37 feet of wire.
Trigger is engaged for more than 1 second after
the arc is broken.
After an overtemp error, the trigger is held after
the welder has completed cooling.
Trigger is engaged while another process is
selected.
The trigger leads are shorted.
The TIG trigger is engaged on power up.
The TIG trigger is engaged while the process is
changed to TIG Lift-Arc Remote.
System parameters do not support this
equipment.
Wire drive assembly cable connected in TIG or
Stick process.
The welding wire came into contact with the
workpiece while jogging wire.
MIG gun or spool gun contact tip came into con-
tact with the workpiece while welding.
The weld voltage is less than 10 volts for more
than 0.2 seconds while welding.
Output rectifier is damaged.
The control board is damaged.
Too much pressure on pressure adjust knob.
The gun liner is obstructed.
The gun contact tip is obstructed.
The welding wire is entangled.
The control board is damaged.
The fan blades are obstructed.
The fan wiring harness is disconnected.
The fan is damaged.
Remedy
Wait for unit to cool down. If the fan is not run-
ning, contact Miller Electric authorized service
location.
Release 4-pin trigger to clear error.
Fix or replace damaged gun.
Release the 10-pin trigger to clear error.
Release the TIG trigger.
Replace with compatible MIG gun.
Disconnect wire drive assembly cable.
Remove short and pull trigger, or wait 30 sec-
onds to clear error.
Contact Miller Electric authorized service
location.
Reduce pressure on the pressure adjust knob.
Clear obstruction or replace gun liner.
Clear obstruction or replace contact tip.
Untangle welding wire.
Contact Miller Electric authorized service
location.
Clear obstruction from fan.
Contact Miller Electric authorized service
location.