Manual

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.