Guardian 4389 Diagnostic Repair Manual page 60

SECTION 3.3
V-TYPE PREPACKAGED
PART 3
TRANSFER SWITCHES
TROUBLESHOOTING FLOW CHARTS
INTRODUCTION TO TROUBLESHOOTING
The first step in troubleshooting is to correctly identify the problem. Once that is done, the cause of the problem
can be found by performing the tests in the appropriate flow chart.
Test numbers assigned in the flow charts are identical to test numbers in section 3.4, Diagnostic Tests. Section
Page 3.3-1