Vanguard DMOM-200 - Manual (Page 30)

Operating Procedures DMOM-200™
24
APPENDIX A
DMOM-200  Troubleshooting Guide
Ite
m
Symptom Possible Problem Solution
1 Reading is incorrect. 1. Poor connection at the
Clips.
2. Broken sensing lead. 1.Check connection to make sure
sensing and current teeth are
touching the device under test
(DUT).
2. Inspect sensing cables.
2 No Test Current.
(Current % read zero)
and resistance
reading=0 1. No test current going
through DUT.
2. Drive circuit not
working. 1. Check Connection to DUT.
2. Run Calibration Test.
3 Have test current but
resistance reading = 0. 1. Broken sense leads.
2. Reverse sense leads. 1. Inspect sense leads.
NOTE: DUT=Device Under Test