Lincoln Electric POWER FEED IM916 Operator's Manual page 55

E-6
PRObLEMS
(SYMPTOMS)
Displays and/or indicator lights do
not change when their correspond-
ing switches and or knobs are acti-
vated to request a change.
Display(s) and status lights are
blank.
Dual Procedure is not functioning
when using remote dual procedure
switch. Status lights are solid green
on CB and head boards.
Wire feed speed is consistent and
adjustable, but operates at the
wrong speed.
Status LED not solid green
Gas solenoid not operating properly
or intermittent.
If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your
Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed.
TROUbLESHOOTING
Observe all Safety Guidelines detailed throughout this manual
POSSIbLE CAUSE
1. The encoders or switches may be
faulty.
2. Check for broken harness wire(s)
or harness disconnected from
intended location.
1. Power source is OFF.
2. Feeder supply or fuse circuit at
power source is blown or tripped,
or defective harness or cabling.
3. Display or Control Board (CB)
boards may be faulty.
1. Gun has not been selected at the
control box. Set dual procedure
switch on CB to gun. Refer to
operating instructions.
2. Faulty remote dual procedure
switch. Remove switch. Check
continuity between switch pins
with switch open and closed. If it
fails the continuity test, repair or
replace switch.
3. Faulty Local Dual procedure
switch.
1. Dip switch on feed head board
does not match gear ratio used at
gear box. If using a high speed
gear, the feed head PC board dip
switch 8 must be set to 1 or "ON".
2. Feed head board is not properly
reading DIP switch. Replace feed
head PC board.
1. see LED Status Light Chart.
1. Inlet gas pressure exceeding 80
psi(5.5 bar). Verify that gas pres-
sure regulator is operating prop-
erly.
POWER FEED™ 10M DUAL WIRE FEEDER
If all recommended possible areas of
misadjustment have been checked
and the problem persists, Contact
your local Lincoln Authorized
Field Service Facility.
CAUTION
RECOMMENDED
COURSE OF ACTION
E-6