Lincoln Electric PRO-CUT 60 SVM104-A Service Manual page 50

F-9
TROUBLESHOOTING GUIDE
PROBLEMS
(SYMPTOMS)
Airflow does not shut off.
The "OUTPUT ON" and "AIR
PRESSURE" LED's blink in
alternating order.
If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact the Lincoln
Electric Service Department for technical troubleshooting assistance before you proceed call 216-383-2531 or 1-800-833-9353.
PRO-CUT 60
TROUBLESHOOTING & REPAIR
POSSIBLE AREAS OF
MISADJUSTMENT(S)
FUNCTION PROBLEMS
1. Remove input power to the
PRO-CUT 60. If the air con-
tinues to flow the air solenoid
(SV1) could be jammed or
stuck open.
2. If air pressure is above
125 PSI solenoid may be
damaged. Set for 60-65 PSI.
Turn power off - then restart
machine
CAUTION
Observe Safety Guidelines
detailed in the beginning of this manual.
RECOMMENDED
COURSE OF ACTION
1. Remove leads #38 and
#31 (plug J12) from air
solenoid (SV1). Refer to
wiring diagram.
a. If air continues to flow
the solenoid is faulty.
Replace.
b. If the airflow stops when
the solenoid (SV1) leads
are removed then the
Control Board could be
faulty.
1. The Control Board could
be faulty. Replace.