Megger AVTMTTR100 User Manual

ORDERING INFORMATION & SPARE PARTS LIST
AVTMTTR100-ENG Rev 6 Nov 2015
85
Troubleshooting
The Troubleshooting Guide, Table 7-1, is arranged to help you evaluate the
reasons for TTR100 test set malfunction. The table lists possible test set
malfunctions which may be encountered during operation and lists possible
causes. Electronic circuit repairs should not be attempted in the field. Refer to
Repair section. Refer to Section 8 for a list of spare parts.
Table 7-1. Troubleshooting Guide
MALFUNCTION POSSIBLE CAUSE
Display stays blank after POWER
switch is turned on.
 Battery is discharged.
 CONTRAST potentiometer not adjusted.
 Defective display or electronics.
Any error message on the screens See ERROR MESSAGES section
Test results erratic
 Defective test leads (open circuit, poor
connection).
 Problem in test specimen (poor connection).
 Problem in TTR100 measuring circuit.
 Incorrect setting of transformer configuration
 Incorrect connection of leads.
 Incorrect marking of a transformer.
Cannot obtain printout when printer is
connected.
 Printer power not turned on.
 Printer battery discharged.
 Problem in TTR100 printer interface
electronics.

Megger AVTMTTR100 Specifications

General

Brand	Megger
Model	AVTMTTR100
Category	Test Equipment
Language	English