9287500991 Rev K DECS-100 Maintenance and Troubleshooting i
SECTION 6 • MAINTENANCE AND TROUBLE-
SHOOTING
TABLE OF CONTENTS
SECTION 6 • MAINTENANCE AND TROUBLESHOOTING .................................................................... 6-1
PREVENTATIVE MAINTENANCE ........................................................................................................ 6-1
TROUBLESHOOTING ........................................................................................................................... 6-1
Generator Voltage Does Not Build ..................................................................................................... 6-1
Low Generator Output Voltage........................................................................................................... 6-2
High Generator Output Voltage .......................................................................................................... 6-2
Poor Voltage Regulation .................................................................................................................... 6-4
Generator Output Unstable (Hunting) ................................................................................................ 6-4
Overexcitation Shutdown Indicator is Annunciating ........................................................................... 6-5
Loss of Generator Sensing Indicator is Annunciating ........................................................................ 6-5
Overexcitation Limiting Indicator is Annunciating .............................................................................. 6-5
Underexcitation Limiting Indicator is Annunciating ............................................................................ 6-5
Underfrequency Active Indicator is Annunciating .............................................................................. 6-6
No Droop ............................................................................................................................................ 6-6
No Voltage Matching .......................................................................................................................... 6-7