Lincoln Electric IDEALARC R3R600-I Operator's Manual page 19

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Observe all Safety Guidelines detailed throughout this manual
PROBLEMS
(SYMPTOMS)
L. Optional remote current control
not functioning. See
Troubleshooting , Section C
before connecting.
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
POSSIBLE CAUSE
FUNCTION PROBLEMS
1. Current control switch in the
wrong position.
2. Leads 75, 76 and 77 not con-
nected to correct numbers on
models with terminal strip.
3. Remote control leads broken.
4. Remote control potentiometer
open.
5. Lead or connection in current
control circuit open.
6. Control PC board plug discon-
nected or loose.
7. Control circuit problems.
CAUTION
IDEALARC R3R 600-I
RECOMMENDED
COURSE OF ACTION
1. Place switch in "remote" (
position.
2. Correct connection.
3. Repair broken leads.
4. See Troubleshooting, Section C.
5. Connect or repair.
6. Connect plug.
7. See SCR Troubleshooting,
Section K.
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)