Lincoln Electric Ranger 330MPX Operator's Manual page 49

RANGER ® 330MPX
PROBLEMS
(SYMPTOMS)
Engine will not go to low idle
Engine does not go to full power when
using auxiliary power.
No weld output
No output control – at the front panel
No output control – with remote
Output control range is limited while
using a remote.
The arc is not stable.
If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your
Lincoln Authorized Service Facility for technical troubleshooting assistance before you proceed.
WWW.LINCOLNELECTRIC.COM/LOCATOR
POSSIBLE
CAUSE
1. Idler switch is in the High Idle position.
2. Aux load might be on
3. Faulty pc board.
4. Idle solenoid and or wiring needs checked or
replaced.
1. The auxiliary power load is less than 100 Watts.
Set the STOP/AUTO/HIGH IDLE switch to HIGH
IDLE.
2. Disconnect / turn off auxiliary power loads
before starting the engine.
WELDING
1. Verify the weld output is ON. A green icon with
"Output ON" appears in the upper right corner
of screen whenever weld output is ON.
2. Verify the work connection is tight and
attached to clean base metal.
3. The duty cycle of the machine was exceeded
and the machine overheated. Allow the
machine to cool", "inspect alternator brushes",
"verify voltage feedback wiring to the pc
board.
4. Faulty pc board
1. Verify the remote control is not turned on.
"Remote ON" appears on the bottom left of the
screen whenever the remote is turned on.
2. A CrossLinc device is attached to the machine.
The CrossLinc symbol appears on the right
side of the screen when CrossLinc is active.
3. Faulty encoder
1. Check the remote cable and connection to the
6 pin connector.
2. Verify the remote control is turned on.
"Remote ON" appears on the bottom left of the
screen whenever the remote is turned on.
3. A CrossLinc device is attached to the machine.
The CrossLinc symbol appears on the right
side of the screen when CrossLinc is active.
4. The remote range has been adjusted so the
minimum and maximum values are the same.
1. While in the weld mode, go to the remote screen
and change the scaling of the remote.
1. Verify the polarity of the electrode and work
cables.
2. Cables may be excessively long, undersized or
damaged.
3. Verify the weld settings match the electrode.
Use Ready-Set-Weld, menu for guidance.
E-3
TROUBLESHOOTING
RECOMMENDED
COURSE OF ACTION
If all recommended possible areas of
misadjustment have been checked and
the problem persists, Contact your local
Lincoln Authorized Field Service Facility.
If all recommended possible areas of
misadjustment have been checked and
the problem persists, Contact your local
Lincoln Authorized Field Service Facility.