The Power Wave / Power Feed are best diagnosed as
a system. Each component (power source, user
interface, and feed head) has a status light, and when
a problem occurs it is important to note the condition
of each. In addition, errors displayed on the user
interface in most cases indicate only that a problem
exists in the power source, not what the problem may
be. Therefore, prior to cycling power to the sys-
tem, check the power source status light for error
sequences as noted below. This is especially
important if the user interface displays “Err 006”
or “Err 100”.
Included in this section is information about the

power source Status LED, and some basic trou-
bleshooting charts for both machine and weld perfor-
mance.

The STATUS LIGHT is a two color light that indicates
system errors. Normal operation is a steady green
light. Error conditions are indicated in the following
chart.

NOTE: The POWER WAVE 355M/405M status light
will flash green, and sometimes red and green, for up
to one minute when the machine is first turned on.
This is a normal situation as the machine goes
through a self test at power up.

LIGHT CONDITION

INDICATION

Status LED is solid green (no blinking)

1. System OK. Power source communicating nor-

mally with wire feeder and its components.

Status LED is blinking green

2. Occurs during a reset, and indicates the

POWER WAVE 355M/405M is mapping (identi-

fying) each component in the system. Normal

for first 1-10 seconds after power is turned on,

or if the system configuration is changed during

operation.

Status LED is blinking red.

Not applicable

Status LED is solid red (no blinking).

Non-recoverable hardware fault. Generally indi-

cates nothing is connected to the POWER

WAVE 355M/405M wire feeder receptacle. See

Trouble Shooting Section.

Status LED is blinking red and green

3. Non-recoverable system fault. If the PS Status

light is flashing any combination of red and

green, errors are present in the POWER WAVE

355M/405M. Read the error code before the

machine is turned off.

Error Code interpretation through the Status

light is detailed in the Service Manual.

Individual code digits are flashed in red with a

long pause between digits. The codes will be

separated by a green light. There may be more

than one error code indicated.

To clear the error, turn power source off, and

back on to reset.

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