Miller Millermatic 355 Owner's Manual page 63

Primary error, change in number of
phases detected.
Over voltage-Cycle power to clear
error.
Under voltage-Cycle power to clear
error.
Network error-Inverter Communication
is down.
Network error-Primary Communica-
tion is down.
Network error-Communication be-
tween UI and control board is down.
Cable error — Connect wire feed
housing cable to clear error.
Power Supply error, +15V or —15V
Secondary
Transformer Saturation error — Re-
lease trigger to clear OR cycle power
to clear.
Missing UI Membrane Switch Overlay.
UI Membrane Switch Overlay doesn't
match arc controller program
Overvoltage Protection Trip
Secondary Current Sensor Fault
Invalid Weld Program Data
All stored programs are disabled be-
cause of primary power limitations.
Locks and Limits configuration only
supports a push-pull/spool gun.
Locks and Limits configuration does
not support a push-pull/spool gun.
The primary link switch is damaged.
The control board is damaged.
One line of a 3 phase installation has either been
lost or is intermittent.
If connected to a known single phase installation,
the control board is damaged.
The control board is damaged.
Primary voltage is above 288 volts.
The primary voltage is below 150 volts.
The two microcontrollers on the control board
are no longer communicating.
The wiring harness between the control board
and interface board is damaged.
The primary control board is damaged.
The interface board is damaged.
The wire feed housing cable is not attached to ei-
ther the positive stud or negative stud of the
power source.
The control board is damaged.
The control board is damaged.
Main transformer has detected an overcurrent
condition.
UI is not detected as being plugged in.
Detected UI membrane is not detected as match-
ing the type reported by the main control board.
The system has detected a high voltage condi-
tion on the weld output terminals.
The control board is damaged.
The output current sensor is either damaged or
not connected properly.
The control board is damaged.
Software Upgrade error
Machine has incompatible input voltage for
stored programs.
Incorrect push-pull/spool gun connected to sup-
port programs (all MIG gun programs are
disabled).
Depress trigger on MIG gun while spool gun is
connected.
Connected a push-pull gun.
Contact Miller Electric authorized service
location.
Contact qualified person to check input wiring
and fuses going to system.
Contact Miller Electric authorized service
location.
Reduce primary voltage below 288 volts.
Increase primary voltage above 150 volts.
Cycle power to clear error. If this error persists
after a power cycle, contact Miller Electric Mfg.
authorized service location.
Contact Miller Electric Mfg. authorized service
location.
Connect wire drive assembly cable to either the
positive or negative stud.
Contact Miller Electric authorized service
location
Contact Miller Electric authorized service
location
Cycle power to clear error. If this problem per-
sists, contact Miller Electric Mfg. authorized serv-
ice location.
Contact Miller Electric Mfg. authorized service
location.
Contact Miller Electric Mfg. authorized service
location.
Cycle primary power to clear the error.
Contact Miller Electric authorized service
location
Contact Miller Electric authorized service
location
Perform software upgrade (repeat). Contact Mill-
er Electric authorized service location
Connect input power to proper power.
Check input power for correct number of phases.
Disable Locks and Limits.
Contact Miller Electric authorized service
location
Connect proper spool gun to support program.
Disable Locks and Limits.
Contact Miller Electric authorized service
location
Do not pull trigger on MIG gun. Depress trigger
on spool gun to clear error.
Disable Locks and Limits.
Contact Miller Electric authorized service
location
Disconnect push-pull gun and utilize correct MIG
gun.
Disable Locks and Limits.
Contact Miller Electric authorized service
location
OM-288360 Page 59