Keypad resistance test, F-23, Perform the – Lincoln Electric SVM143-A User Manual
Page 67: Keypad resis, Tance test, Troubleshooting and repair, Warning
F-23
TROUBLESHOOTING AND REPAIR
F-23
KEYPAD RESISTANCE TEST
Service and repair should only be performed by Lincoln Electric factory trained
personnel. Unauthorized repairs performed on this equipment may result in dan-
ger to the technician or machine operator and will invalidate your factory war-
ranty. For your safety and to avoid electrical shock, please observe all safety
notes and precautions detailed throughout this manual.
If for any reason you do not understand the test procedures or are unable to per-
form the test/repairs safely, contact the Lincoln Electric service department for
technical troubleshooting assistance before you proceed. Call 216-383-2531 or
1-800-833-9353(WELD).
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TEST DESCRIPTION
This test will determine if any key is not functioning properly.
MATERIALS NEEDED
5/16 in. nutdriver
Analog Volt-Ohmmeter
Small screwdriver
DH-10
WARNING