iv3.1.3 Start-Up Sequence ................................................................................................................. 193.2 Digital Control Board ................................................................................................................. 203.3 Selecting the Charging Mode ...................................................................................................... 213.3.1 Equalize Timer Modes ............................................................................................................ 213.4 Adjusting Parameters................................................................................................................. 223.4.1 Settings Menu ....................................................................................................................... 223.4.1.5. Communications Settings .......................................................................................................... 253.5 Test Menu ................................................................................................................................ 263.5.1 Test LEDs ............................................................................................................................. 263.5.2 Test Relays ........................................................................................................................... 264 Service ............................................................................................................................................. 284.1 Performing Routine Maintenance ................................................................................................ 284.2 Troubleshooting Procedure......................................................................................................... 294.3 Symptoms & Causes .................................................................................................................. 304.3.1 AC Breaker Trips.................................................................................................................... 304.3.2 Open DC Fuse or Breaker ....................................................................................................... 304.3.3 Charger Operates but Output Voltage/Current Low ................................................................... 304.3.4 Charger Operates but Output Voltage is High. .......................................................................... 304.3.5 Ground and Short Circuit Test. ................................................................................................ 314.3.6 Troubleshooting the TRIAC ..................................................................................................... 314.3.7 Troubleshooting and Replacing Power Silicon Diodes/Modules ................................................... 314.3.8 Checking Capacitors ............................................................................................................... 31Appendix A: TPSD Specifications ............................................................................................................... 32Appendix B: TPSD Current Draw and Feeder Breaker Sizes .......................................................................... 33Appendix C: TPSD Heat Losses ................................................................................................................. 35Appendix D: Field Installable Accessory Kits ............................................................................................... 36Appendix E: Manufacturer’s Warranty ........................................................................................................ 37Appendix F: Manufacturer’s Extended Parts Warranty ................................................................................. 38Appendix G: Document Control and Revision History................................................................................... 39