REV 3
WRM-10P AND WRM-40 USER’S MANUAL
57
5.0 Troubleshooting
Guide
PROBLEM DESCRIPTION
Probable Cause
Suggested Solution
No current displayed on
the LCD screen when
performing a test.
•
Opened current cable connection.
•
Opened transformer windings.
•
Check current cable connection.
•
Perform a quick test using a shunt
or a piece of aluminum bar.
Resistance reading is zero
or invalid while current
value is displayed on the
LCD screen.
•
Opened sense leads connection.
•
Sense leads problem.
•
Check sense leads connection to
D.U.T.
•
Check sense leads using an
ohmmeter.
•
Perform a diagnostic test. See
section 3.8.