Product Manual A

Table of Contents11-2017
iii0962-0131 (Issue 6) Copyright © 2017 Cummins Inc.
5.2.2 Time Delay Engine Start (TDES)............................................................................... 87
5.2.3 Time Delay Normal to Emergency (TDNE)................................................................ 87
5.2.4 Time Delay Emergency to Normal (TDEN)................................................................ 88
5.2.5 Time Delay Engine Cool-Down (TDEC)..................................................................... 88
5.2.6 Time Delay Program Transition (TDPT) .................................................................... 89
5.2.7 Time Delay Elevator Signal (TDEL)........................................................................... 89
5.2.8 Test With/Without Load.............................................................................................. 89
5.2.9 External Exercise On/Off ........................................................................................... 90
5.2.10 Exercise With/Without Load..................................................................................... 90
5.2.11 System Nominal Voltage Table Selection................................................................ 90
5.2.12 System Nominal Frequency 50/60 Hz ..................................................................... 91
5.2.13 Single Phase/Three Phase ...................................................................................... 91
5.2.14 Utility Under-Voltage Pickup .................................................................................... 91
5.2.15 Utility Under-Voltage Dropout .................................................................................. 91
5.2.16 Phase Check On/Off ................................................................................................ 91
5.2.17 Return to Programmed Transition On/Off................................................................ 92
5.2.18 Elevator Post Transfer Delay On/Off ....................................................................... 92
5.2.19 Exercise Repeat Interval.......................................................................................... 92
6. TROUBLESHOOTING ................................................................................................................. 93
6.1 Control Panel Indicators........................................................................................................ 93
6.2 Troubleshooting .................................................................................................................... 94
6.2.1 Power Outage Occurs, But Generator Set Does Not Start........................................ 95
6.2.2 Generator Set Starts During Normal Power Service ................................................. 95
6.2.3 Generator Set Does Not Exercise ............................................................................. 96
6.3 Troubleshooting Transfer Switch Without the Digital Display............................................... 96
6.3.1 After A Power Failure, Generator Set Starts But Does Not Assume Load................ 97
6.3.2 After Power Returns, Transfer Switch Does Not Return To Normal Position............ 97
6.3.3 Generator Set Continues to Run After Retransfer of Load to Normal Power............ 97
6.3.4 System Does Not Test With Load.............................................................................. 98
6.3.5 System Does Not Exercise With Load....................................................................... 99
6.3.6 External Exercise Clock Does Not Start An Exercise.............................................. 100
6.3.7 External Exerciser Does Not Repeat an Exercise ................................................... 100
6.3.8 Battery Charger Fails To Charge (If Equipped) ....................................................... 100
6.3.9 Battery Loses Water ................................................................................................ 100
6.3.10 Battery Loses Charge ............................................................................................ 101
6.4 15/12-Amp Battery Charger Troubleshooting and Faults ................................................... 101
6.4.1 Clearing Faults ......................................................................................................... 101
6.4.2 Fault Alarm Output Connector ................................................................................. 101
6.4.3 Troubleshooting Using Fault Codes......................................................................... 102