Table of Contents
iv
Chapter Four - Hand-held Reference Guide
The
Sigma
Hand-held
4
-
2
Firmware
Updates
4
-
3
Connecting the Hand-held to the Load Bank
4 - 3
The
Hand-held
Keypad
4
-
4
The Hand-held Menu Display System
4 - 5
Using
the
Sigma
Hand-held
4
-
8
Hand-held
Quick
Start
4
-
9
Using
the
Settings
Pages 4
-
10
The
Options
Page
4
-
15
The
Test
Pages
4
-
19
Manual
Test
Mode
4
-
23
Auto
Test
Mode 4
-
27
Chapter Five - Maintenance & Troubleshooting
Safety
Warning
5
-
2
Routine
Maintenance
Procedures
5
-
3
•
Daily
•
Monthly
•
Annually
Ring
Main
Unit
(RMU)
Maintenance
5
-
4
•
Housing exterior
•
Housing interior
•
Leakage of SF6 gas
•
Service life
Transformer
Maintenance
5
-
5
Fault
Finding
5
-
5