Vanguard Auto-Ohm 100_200 s2 - Manual (Page 30)

AUTO-OHM 100/200 Series 2 Operating Procedures
30
Rev 3, 2009
APPENDIX A
Auto-Ohm Troubleshooting Guide
Item Symptom Possible Problem Solution
1 Reading is
incorrect.
1. Poor connection at
the test clamps.
1. Check connections to
ensure teeth of voltage-
sensing and current clamps
are firmly in contact with
the device under test.
2 “Cable Error”
Message.
1. No test current
going through the
device under test.
2. Sensing cables
problem. 1. Check current cable
Connection to the device
under test.
2. Check sensing cable
connection.
3. Run Calibration Test.